Downhole separator

Abstract

There is provided a system for producing hydrocarbon material from a subterranean formation. The system includes a gas separator for separating gaseous material from reservoir fluid obtained from the subterranean formation. The system is configured to mitigate interference to the separation.

What is claimed is: 
     
         1 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid flow is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the flow diverter defines a flow receiving communicator for receiving the downwardly flowing reservoir fluid, from which the downwardly flowing gaseous depleted reservoir fluid, emplaced within the flow diverter, is derived; and 
 the ratio, of (ii) cross-sectional flow area of the wellbore string passage, to (ii) cross-sectional area of flow receiving communicator, is less than 1.1:1. 
   
     
     
         2 . The system as claimed in  claim 1 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         3 . The system as claimed in  claim 1 or 2 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         4 . The system as claimed in any one of  claims 1 to 3 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         5 . The system as claimed in  claim 4 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         6 . The system as claimed in any one of  claims 1 to 5 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         7 . The system as claimed in any one of  claims 1 to 6 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         8 . The system as claimed in  claim 7 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         9 . The system as claimed in any one of  claims 1 to 8 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         10 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 and 
 the pump-supplying fluid conductor includes an eccentrically-disposed portion, disposed eccentrically relative to a central longitudinal axis of the wellbore string passage, and at least a portion of the eccentrically-disposed portion is disposed adjacent to at least a portion of the separation zone. 
   
     
     
         11 . The system as claimed in  claim 10 ;
 wherein:
 the cross-sectional profile of the eccentrically-disposed portion of the pump-supplying fluid conductor is non-circular. 
   
     
     
         12 . The system as claimed in  claim 10 ;
 wherein:
 the cross-sectional profile of the eccentrically-disposed portion of the pump-supplying fluid conductor is oval-shaped. 
   
     
     
         13 . The system as claimed in any one of  claims 10 to 12 ;
 wherein:
 the at least a portion of the separation zone, disposed adjacent to the eccentrically-disposed portion, has a total length of at least six (6) inches, as measured along an axis that is parallel to the central longitudinal axis of the wellbore string passage. 
   
     
     
         14 . The system as claimed in any one of  claims 10 to 13 ;
 wherein:
 the eccentrically-disposed portion has a total length of at least six (6) feet, as measured along the central longitudinal axis of the eccentrically-disposed portion. 
   
     
     
         15 . The system as claimed in any one of  claims 10 to 14 ;
 wherein:
 the ratio of (i) the minimum distance “D1” between the eccentrically-disposed portion and the central longitudinal axis of the wellbore string passage to (ii) the minimum distance between the wellbore string and the central longitudinal axis of the wellbore string passage is greater than 1.2:1. 
   
     
     
         16 . The system as claimed in any one of  claims 10 to 15 ;
 wherein:
 the eccentrically-disposed portion is spaced-apart from the wellbore string by a maximum distance of less than 0.75 inches. 
   
     
     
         17 . The system as claimed in  claims 10 to 16 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         18 . The system as claimed in claim  17  or  18 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
 
 
     
     
         19 . The system as claimed in any one of  claims 10 to 18 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         20 . The system as claimed in  claim 19 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         21 . The system as claimed in any one of  claims 10 to 20 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         22 . The system as claimed in any one of  claims 10 to 21 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         23 . The system as claimed in  claim 22 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         24 . The system as claimed in any one of  claims 10 to 23 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         25 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 and 
 at least a portion of the pump-supplying fluid conductor defines a cross-sectional profile that is non-circular. 
   
     
     
         26 . The system as claimed in  claim 25 ;
 wherein:
 the cross-sectional profile of the at least a portion of the pump-supplying fluid conductor is oval-shaped. 
   
     
     
         27 . The system as claimed in  claim 25 or 26 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         28 . The system as claimed in any one of  claims 25 to 27 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         29 . The system as claimed in any one of  claims 25 to 28 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         30 . The system as claimed in  claim 29 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         31 . The system as claimed in any one of  claims 25 to 30 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         32 . The system as claimed in any one of  claims 25 to 31 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         33 . The system as claimed in  claim 32 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         34 . The system as claimed in any one of  claims 25 to 33 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         35 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the separation zone includes a cylindrical uninterrupted space; 
 and 
 the wellbore string passage defines a cross-section, traversed by both of the cylindrical uninterrupted space and the pump-supplying fluid conductor, and the area of the cross-section of the wellbore string passage, occupied by the cylindrical uninterrupted space, defines at least 70% of the total cross-sectional area of the cross-section of the wellbore string passage. 
   
     
     
         36 . The system as claimed in  claim 35 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         37 . The system as claimed in  claim 35 or 36 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         38 . The system as claimed in any one of  claims 35 to 37 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         39 . The system as claimed in  claim 38 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         40 . The system as claimed in any one of  claims 35 to 39 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         41 . The system as claimed in any one of  claims 35 to 40 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         42 . The system as claimed in  claim 41 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         43 . The system as claimed in any one of  claims 35 to 42 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         44 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the separation zone includes a cylindrical uninterrupted space; and 
 the cylindrical uninterrupted space has a diameter of at least one (1) inch and a height of at least 12 inches. 
   
     
     
         45 . The system as claimed in  claim 44 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         46 . The system as claimed in  claim 44 or 45 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         47 . The system as claimed in any one of  claims 44 to 46 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         48 . The system as claimed in  claim 47 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         49 . The system as claimed in any one of  claims 44 to 48 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         50 . The system as claimed in any one of  claims 44 to 49 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         51 . The system as claimed in  claim 50 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         52 . The system as claimed in any one of  claims 44 to 51 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         53 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 and 
 a central longitudinal axis of the wellbore string passage extends through the separation zone. 
   
     
     
         54 . The system as claimed in  claim 53 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         55 . The system as claimed in  claim 53 or 54 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         56 . The system as claimed in any one of  claims 53 to 55 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         57 . The system as claimed in  claim 56 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         58 . The system as claimed in any one of  claims 53 to 57 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         59 . The system as claimed in any one of  claims 53 to 58 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         60 . The system as claimed in  claim 59 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         61 . The system as claimed in any one of  claims 53 to 60 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         62 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 and 
 the flow diverter further includes:
 a quiescent zone for encouraging separation of solids entrained within the gas-depleted reservoir fluid, prior to the conducting of the gas-depleted reservoir fluid to the pump; 
 a solids accumulation zone for receiving solids which have separated from the gas-depleted reservoir fluid within the quiescent zone; and 
 a removable solids accumulation zone closure configured for opening such that communication with the solids accumulation zone is established externally of the flow diverter via a solids accumulation zone communicator. 
 
   
     
     
         63 . The system as claimed in  claim 62 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         64 . The system as claimed in  claim 62 or 63 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         65 . The system as claimed in any one of  claims 62 to 64 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         66 . The system as claimed in  claim 65 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         67 . The system as claimed in any one of  claims 62 to 66 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         68 . The system as claimed in any one of  claims 62 to 67 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         69 . The system as claimed in  claim 68 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         70 . The system as claimed in any one of  claims 62 to 69 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         71 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 and 
 the flow diverter further includes:
 a quiescent zone for encouraging separation of solids entrained within the gas-depleted reservoir fluid, prior to the conducting of the gas-depleted reservoir fluid to the pump; 
 a solids collector for collecting the solids separated from the gas-depleted reservoir fluid within the quiescent zone; and 
 a solids collector receiving counterpart, releasably coupled to the solids collector, such that the solids collector is removable from the flow diverter. 
 
   
     
     
         72 . The system as claimed in  claim 71 ;
 wherein:
 the releasable coupling is a threaded coupling. 
   
     
     
         73 . The system as claimed in  claim 71 or 72 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         74 . The system as claimed in any one of  claims 71 to 73 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         75 . The system as claimed in any one of  claims 71 to 74 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         76 . The system as claimed in  claim 75 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         77 . The system as claimed in any one of  claims 71 to 76 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         78 . The system as claimed in any one of  claims 71 to 77 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         79 . The system as claimed in  claim 78 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         80 . The system as claimed in any one of  claims 71 to 79 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         81 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the flow diverter includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, via the pump-supplying fluid conductor, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the pump-supplying fluid conductor includes a pump-supplying fluid conductor flow receiver for receiving the gas-depleted reservoir fluid; 
 the flow diverter defines:
 a flow receiving communicator for receiving the downwardly flowing reservoir fluid, from which the downwardly flowing gaseous depleted reservoir fluid, emplaced within the flow diverter, is derived; and 
 a quiescent zone for encouraging separation of solids entrained within the gas-depleted reservoir fluid; 
 
 and includes:
 a quiescent zone fluid conductor, disposed in flow communication with the flow receiving communicator, for conducting at least a fraction of the downwardly flowing reservoir fluid such that the at least a fraction of the downwardly flowing reservoir fluid becomes emplaced within the quiescent zone and below the pump-supplying fluid conductor flow receiver, prior to the conducting of the gas-depleted reservoir fluid to the pump-supplying fluid conductor flow receiver. 
 
   
     
     
         82 . The system as claimed in  claim 81 ;
 wherein:
 the at least a fraction of the downwardly flowing reservoir fluid, which is conductible by the quiescent fluid conductor, is at least 50 volume % of the downwardly flowing reservoir fluid, based on the total volume of the downwardly flowing reservoir fluid. 
   
     
     
         83 . The system as claimed in  claim 81 or 82 ;
 wherein:
 the quiescent zone flow conductor includes a quiescent zone flow discharging communicator for discharging the at least a fraction of the downwardly-flowing reservoir fluid into the quiescent zone, and the quiescent zone flow discharging communicator is disposed below the pump-supplying fluid conductor flow receiver. 
   
     
     
         84 . The system as claimed in  claim 83 ;
 wherein:
 the quiescent zone flow discharging communicator is disposed below the pump-supplying fluid conductor flow receiver by a distance of at least one (1) millimetre, measured along an axis that is parallel to a central longitudinal axis of the wellbore string passage. 
   
     
     
         85 . The system as claimed in  claim 83 or 84 ;
 wherein:
 the distance of the closest flowpath, between the quiescent zone flow discharging communicator and the pump-supplying fluid conductor flow receiver, is greater than two (2) inches. 
   
     
     
         86 . The system as claimed in  claim 81 or 82 ;
 wherein:
 the quiescent zone flow conductor includes:
 a flow receiver for receiving the downwardly flowing reservoir fluid; 
 an uphole conductor portion which defines a contoured surface configured to induce torsional flow in the received downwardly flowing reservoir fluid, with effect that the at least a fraction of the downwardly flowing reservoir fluid separates into a solids-lean reservoir fluid flow and a solids-rich reservoir fluid flow, wherein, relative to the solids-lean reservoir fluid flow, the solids-rich reservoir fluid flow is disposed further outwardly from the central longitudinal axis of the quiescent zone flow conductor; 
 a solids-lean reservoir fluid flow-conducting conductor portion, defining a solids-lean reservoir fluid flow-discharging communicator; and 
 a solids-rich reservoir fluid flow-conducting conductor portion, defining a solids-rich reservoir fluid flow-discharging communicator; 
 
 the uphole conductor portion, the solids-lean reservoir fluid flow-conducting conductor portion, and solids-rich reservoir fluid flow-conducting conductor portion are co-operatively configured such that:
 (i) the solids-lean reservoir fluid flow-conducting conductor portion is positioned, relative to the uphole conductor portion, for receiving the solids-lean reservoir fluid flow and conducting the solids-lean reservoir fluid flow to the solids-lean reservoir fluid flow-discharging communicator for discharging into the quiescent zone, and 
 (ii) the solids-rich reservoir fluid flow-conducting conductor portion is positioned, relative to the uphole conductor portion, for receiving the solids-rich reservoir fluid flow and conducting the solids-rich reservoir fluid flow to the solids-rich reservoir fluid flow-discharging communicator for discharging into the quiescent zone; 
 
 and 
 the solids-lean reservoir fluid flow-discharging communicator is disposed above the solids-rich reservoir fluid-flow discharging communicator. 
   
     
     
         87 . The system as claimed in  claim 86 ;
 wherein:
 the solids-lean reservoir fluid flow-discharging communicator is oriented relative to the solids-rich reservoir fluid flow-discharging communicator such that a ray, disposed along the central axis of the solids-lean reservoir fluid flow-discharging communicator, is disposed in a downhole direction at an acute angle of greater than 15 degrees relative to the central axis of the solids-rich reservoir fluid flow-discharging communicator. 
   
     
     
         88 . The system as claimed in  claim 86 or 87 ;
 wherein:
 the solids-lean reservoir fluid flow-discharging communicator is disposed below the pump-supplying fluid conductor flow receiver by a distance of at least one (1) millimetre, measured along an axis that is parallel to a central longitudinal axis of the wellbore string passage. 
   
     
     
         89 . The system as claimed in any one of  claims 86 to 88 ;
 wherein:
 the distance of the closest flowpath, between the solids-rich reservoir fluid flow-discharging communicator and the pump-supplying fluid conductor flow receiver, is greater than two (2) inches. 
   
     
     
         90 . The system as claimed in any one of  claims 86 to 89 ;
 wherein:
 the distance of the closest flowpath, between the solids-lean reservoir fluid flow-discharging communicator and the pump-supplying fluid conductor flow receiver, is greater than two (2) inches. 
   
     
     
         91 . The system as claimed in any one of  claims 81 to 90 ;
 wherein:
 the at least a fraction of the downwardly flowing reservoir fluid, received by the quiescent zone flow conductor, is at least a fraction of the gas-depleted reservoir fluid. 
   
     
     
         92 . The system as claimed in any one of  claims 81 to 91 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         93 . The system as claimed in any one of  claims 81 to 92 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         94 . The system as claimed in any one of  claims 81 to 93 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         95 . The system as claimed in  claim 94 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
   the intermediate passage defines at least a portion of the reservoir fluid-conducting passage.   
     
     
         96 . The system as claimed in any one of  claims 81 to 95 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         97 . The system as claimed in any one of  claims 81 to 96 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         98 . The system as claimed in  claim 97 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         99 . The system as claimed in any one of  claims 81 to 98 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         100 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the flow diverter includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, via the pump-supplying fluid conductor, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the pump-supplying fluid conductor includes a pump-supplying fluid conductor flow receiver for receiving the gas-depleted reservoir fluid; 
 the flow diverter defines:
 a flow receiving communicator for receiving the downwardly flowing reservoir fluid, from which the downwardly flowing gaseous depleted reservoir fluid, emplaced within the flow diverter, is derived; and 
 a quiescent zone for encouraging separation of solids entrained within the gas-depleted reservoir fluid; 
 
 and includes:
 an uphole quiescent zone fluid conductor, disposed in flow communication with the flow receiving communicator, wherein the uphole quiescent zone flow conductor includes a flow receiver for receiving the downwardly flowing reservoir fluid, and defines a contoured surface configured to induce torsional flow in the received downwardly flowing reservoir fluid, with effect that the downwardly flowing reservoir fluid separates into a solids-lean reservoir fluid flow and a solids-rich reservoir fluid flow, wherein, relative to the solids-lean reservoir fluid flow, the solids-rich reservoir fluid flow is disposed further outwardly from the central longitudinal axis of the quiescent zone flow conductor; 
 a solids-lean reservoir fluid flow-conducting conductor, defining a solids-lean reservoir fluid flow-discharging communicator; and 
 a solids-rich reservoir fluid flow-conducting conductor, defining a solids-rich reservoir fluid flow-discharging communicator; 
 
 the uphole quiescent zone fluid conductor, the solids-lean reservoir fluid flow-conducting conductor, and the solids-rich reservoir fluid flow-conducting conductor are co-operatively configured such that:
 (i) the solids-lean reservoir fluid flow-conducting conductor is positioned, relative to the uphole quiescent zone fluid conductor, for receiving the solids-lean reservoir fluid flow and conducting the solids-lean reservoir fluid flow to the solids-lean reservoir fluid flow-discharging communicator for discharging into the quiescent zone, and 
 (iii) the solids-rich reservoir fluid flow-conducting conductor is positioned, relative to the uphole quiescent zone fluid conductor, for receiving the solids-rich reservoir fluid flow and conducting the solids-rich reservoir fluid flow to the solids-rich reservoir fluid flow-discharging communicator for discharging into the quiescent zone; 
 
 and 
 the solids-lean reservoir fluid flow-discharging communicator is disposed above the solids-rich reservoir fluid-flow discharging communicator. 
   
     
     
         101 . The system as claimed in  claim 100 ;
 wherein:
 the solids-lean reservoir fluid flow-discharging communicator is oriented relative to the solids-rich reservoir fluid flow-discharging communicator such that a ray, disposed along the central axis of the solids-lean reservoir fluid flow-discharging communicator, is disposed in a downhole direction at an acute angle of greater than 15 degrees relative to the central axis of the solids-rich reservoir fluid flow-discharging communicator. 
   
     
     
         102 . The system as claimed in  claim 100 or 101 ;
 wherein:
 the solids-lean reservoir fluid flow-discharging communicator is disposed below the pump-supplying fluid conductor flow receiver by a distance of at least one (1) millimetre, measured along an axis that is parallel to a central longitudinal axis of the wellbore string passage. 
   
     
     
         103 . The system as claimed in any one of  claims 100 to 102 ;
 wherein:
 the distance of the closest flowpath, between the solids-rich reservoir fluid flow-discharging communicator and the pump-supplying fluid conductor flow receiver, is greater than two (2) inches. 
   
     
     
         104 . The system as claimed in any one of  claims 100 to 103 ;
 wherein:
 the distance of the closest flowpath, between the solids-lean reservoir fluid flow-discharging communicator and the pump-supplying fluid conductor flow receiver, is greater than two (2) inches. 
   
     
     
         105 . The system as claimed in any one of  claims 100 to 104 ;
 wherein:
 the at least a fraction of the downwardly flowing reservoir fluid, which is conductible by the quiescent fluid conductor, is at least 50 volume % of the downwardly flowing reservoir fluid, based on the total volume of the downwardly flowing reservoir fluid. 
   
     
     
         106 . The system as claimed in any one of  claims 100 to 105 ;
 wherein:
 the at least a fraction of the downwardly flowing reservoir fluid, received by the quiescent zone flow conductor, is at least a fraction of the gas-depleted reservoir fluid. 
   
     
     
         107 . The system as claimed in any one of  claims 100 to 106 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         108 . The system as claimed in any one of  claims 100 to 107 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         109 . The system as claimed in any one of  claims 100 to 108 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         110 . The system as claimed in  claim 109 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
   the intermediate passage defines at least a portion of the reservoir fluid-conducting passage.   
     
     
         111 . The system as claimed in any one of  claims 100 to 110 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         112 . The system as claimed in any one of  claims 100 to 111 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         113 . The system as claimed in  claim 112 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         114 . The system as claimed in any one of  claims 100 to 113 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         115 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the flow diverter includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, via the pump-supplying fluid conductor, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the pump-supplying fluid conductor includes a pump-supplying fluid conductor flow receiver for receiving the gas-depleted reservoir fluid; 
 the flow diverter defines:
 a flow receiving communicator for receiving the downwardly flowing reservoir fluid, from which the downwardly flowing gaseous depleted reservoir fluid, emplaced within the flow diverter, is derived; and 
 a quiescent zone for encouraging separation of solids entrained within the gas-depleted reservoir fluid; 
 
 and includes:
 a quiescent zone fluid conductor, disposed in flow communication with the flow receiving communicator, for conducting at least a fraction of the downwardly flowing reservoir fluid, and including a quiescent zone flow discharging communicator for discharging the at least a fraction of the downwardly flowing reservoir fluid into the quiescent zone, prior to the conducting of the at least a fraction of the downwardly flowing reservoir fluid to the pump-supplying fluid conductor flow receiver; 
 
 and 
 the distance of the closest flowpath, between the quiescent zone flow discharging communicator and the pump-supplying fluid conductor flow receiver, is greater than two (2) inches. 
   
     
     
         116 . The system as claimed in  claim 115 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         117 . The system as claimed in  claim 115 or 116 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         118 . The system as claimed in any one of  claims 115 to 117 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         119 . The system as claimed in  claim 118 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         120 . The system as claimed in any one of  claims 115 to 119 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         121 . The system as claimed in any one of  claims 115 to 120 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         122 . The system as claimed in  claim 121 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         123 . The system as claimed in any one of  claims 115 to 122 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         124 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the flow diverter includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, via the pump-supplying fluid conductor, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the pump-supplying fluid conductor includes a pump-supplying fluid conductor flow receiver for receiving the gas-depleted reservoir fluid; 
 the flow diverter defines:
 a flow receiving communicator for receiving the downwardly flowing reservoir fluid, from which the downwardly flowing gaseous depleted reservoir fluid, emplaced within the flow diverter, is derived; and 
 a quiescent zone for encouraging separation of solids entrained within the gas-depleted reservoir fluid; 
 
 and includes:
 a baffle; and 
 a quiescent zone fluid conductor, disposed in flow communication with the flow receiving communicator, for conducting at least a fraction of the downwardly flowing reservoir fluid such that the at least a fraction of the downwardly flowing reservoir fluid becomes emplaced within the quiescent zone, prior to the conducting of the gas-depleted reservoir fluid to the pump-supplying fluid conductor flow receiver; 
 
 wherein:
 the baffle directs the downwardly flowing reservoir flow towards the quiescent zone flow conductor. 
 
   
     
     
         125 . The system as claimed in  claim 124 ;
 wherein:
 the baffle extends in a downwardly direction, towards the quiescent zone flow conductor, and defines an uphole-facing surface for interfering with the downwardly flow of the gas-depleted reservoir fluid. 
   
     
     
         126 . The system as claimed in  claim 125 ;
 wherein:
 the uphole-facing surface and the central longitudinal axis of the wellbore string passage are co-operatively configured such that an axis, disposed parallel to the uphole-facing surface, is disposed at an acute angle, relative to the central longitudinal axis of the wellbore string passage, that is less than 70 degrees. 
   
     
     
         127 . The system as claimed in any one of  claims 124 to 126 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         128 . The system as claimed in any one of  claims 124 to 127 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         129 . The system as claimed in any one of  claims 124 to 128 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         130 . The system as claimed in  claim 129 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         131 . The system as claimed in any one of  claims 124 to 130 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         132 . The system as claimed in any one of  claims 124 to 131 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         133 . The system as claimed in  claim 132 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         134 . The system as claimed in any one of  claims 124 to 133 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid. 
   
     
     
         135 . A reservoir production system, emplaced within a wellbore string passage of a wellbore string that is lining a wellbore, for producing hydrocarbon material from a subterranean formation, comprising:
 a gas separator;   a pump including a suction and a discharge; and   a pressurized gas-depleted reservoir fluid conductor, fluidly coupled to the pump discharge, and extending to the surface;   wherein:
 the gas separator is fluidly coupled to the pump suction, for supplying a gas-depleted reservoir fluid to the pump suction; 
 the pump is configured for pressurizing the supplied gas-depleted reservoir fluid; 
 the gas separator includes a flow diverter; 
 the flow diverter includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor; 
 the gas separator and the wellbore string are co-operatively configured such that there is established, within the wellbore, a reservoir fluid-receiving zone, a reservoir fluid-conducting passage, a separation zone, and a liquid-depleted reservoir fluid-conducting passage; 
 the gas separator, the pump, the pressurized gas-depleted reservoir fluid conductor, and the wellbore string are further co-operatively configured such that:
 while the reservoir fluid is flowing into the reservoir fluid-receiving zone from the subterranean formation, the reservoir fluid is conducted upwardly from the reservoir fluid-receiving zone such that the reservoir fluid becomes emplaced uphole relative to the flow diverter, and, upon emplacement uphole relative to the flow diverter, the reservoir fluid changes flow direction, such the reservoir fluid is flowing downwardly; 
 while the reservoir fluid is flowing downwardly, in response to at least buoyancy forces, the downwardly-flowing reservoir fluid becomes progressively depleted in gaseous material within the separation zone, with effect that: (i) a downwardly flow of the gaseous depleted reservoir fluid becomes emplaced within the flow diverter, and (ii) an upwardly flow of a liquid-depleted reservoir fluid is obtained and is conductible to the surface via the liquid-depleted reservoir fluid-conducting passage; and 
 while the gas-depleted reservoir fluid flow is flowing downwardly within the flow diverter, the gas-depleted reservoir fluid flow is diverted by the flow diverter such the gas-depleted reservoir fluid is conducted upwardly to the pump, via the pump-supplying fluid conductor, for pressurizing by the pump for flow to the surface via the pressurized gas-depleted reservoir fluid conductor; 
 
 the flow diverter defines:
 a flow diverter-defined fluid conductor for effecting the diverting of the gas-depleted reservoir fluid; and 
 a shroud that separates the flow diverter-defined fluid conductor from the intermediate passage; and 
 the shroud is supported by the elongated support member connected to the pump-supplying fluid conductor. 
 
   
     
     
         136 . The system as claimed in  claim 135 ;
 wherein:
 the separation zone is disposed within a vertical portion of the wellbore. 
   
     
     
         137 . The system as claimed in  claim 135 or 136 ;
 wherein:
 the fluid receiving zone is disposed within a horizontal section of the wellbore. 
   
     
     
         138 . The system as claimed in any one of  claims 135 to 137 ;
 wherein:
 the wellbore string and the gas separator are further co-operatively configured such that a reservoir fluid-conducting passage is established, and the conducting of the reservoir fluid flow in an upwardly direction from the reservoir fluid-receiving zone, with effect that the reservoir fluid flow becomes emplaced uphole relative to the flow diverter, is effected by the reservoir fluid-conducting passage. 
   
     
     
         139 . The system as claimed in  claim 138 ;
 wherein:
 the emplacement of the production system within the wellbore string passage is with effect that an intermediate passage is defined between the flow diverter and the wellbore string; and 
 the intermediate passage defines at least a portion of the reservoir fluid-conducting passage. 
   
     
     
         140 . The system as claimed in any one of  claims 135 to 139 ;
 wherein:
 the flow diverter is disposed below at least a portion of the separation zone. 
   
     
     
         141 . The system as claimed in any one of  claims 135 to 140 ;
 wherein:
 the flow diverter includes a collector, and the collector defines a collection space, and the reservoir fluid collector defines a shroud, which separates the collection space from the intermediate passage, and the upper edge of the shroud defines the flow receiving communicator; 
 the flow diverter also includes a pump-supplying fluid conductor, connected to the pump suction, such that the fluid coupling of the gas separator to the pump suction is effected via the pump-supplying fluid conductor, and the pump-supplying fluid conductor defines a flow receiver, which effects flow communication between the pump-supplying fluid conductor and the collector. 
   
     
     
         142 . The system as claimed in  claim 141 ;
 wherein:
 the ratio of the cross-sectional flow area of the flow diverter flow receiving communicator to the maximum cross-sectional flow area of the pump-supplying fluid conductor is at least 1:0.127. 
   
     
     
         143 . The system as claimed in any one of  claims 135 to 142 ;
 wherein:
 the downwardly flowing reservoir fluid, received by the flow receiving communicator, is the gas-depleted reservoir fluid.