System and method to increase production from a borehole

Abstract

A borehole system including a completion in a borehole; an interval of the borehole having a plurality of productivity zones therein, at least one of the zones being a lower productivity zone and at least one of the zones being a higher productivity zone; a pump connected to the at least one lower productivity zone of the interval and configured to bring production from the lower productivity zone to a production capacity of the higher productivity zone of the interval.

What is claimed is: 
     
         1 . A borehole system comprising:
 a completion in a borehole;   an interval of the borehole having a plurality of productivity zones therein, at least one of the zones being a lower productivity zone and at least one of the zones being a higher productivity zone;   a pump connected to the at least one lower productivity zone of the interval and configured to bring production from the lower productivity zone to a production capacity of the higher productivity zone of the interval.   
     
     
         2 . The system as claimed in  claim 1  wherein the pump is connected directly to an inlet port of the lower productivity zone. 
     
     
         3 . The system as claimed in  claim 1  wherein the system includes at least two lower productivity zones and at least two pumps, one connected to one of the at least two lower productivity zones and another connected to the other of the at least two lower productivity zones. 
     
     
         4 . The system as claimed in  claim 1  wherein the interval includes multiple zones each having a different productivity index and wherein each zone having a lower productivity index than a highest productivity index of the interval is connected to a pump configured to boost the associated lower productivity index zone to the production capacity of the highest productivity index zone. 
     
     
         5 . The system as claimed in  claim 1  further including a filtration arrangement. 
     
     
         6 . The system as claimed in  claim 5  wherein the filtration arrangement is a screen. 
     
     
         7 . The system as claimed in  claim 1  wherein the pump is an electric submersible pump. 
     
     
         8 . The system as claimed in  claim 1  wherein the pump is a magnetohydrodynamic pump. 
     
     
         9 . A method for increasing production from a borehole comprising:
 determining a productivity index for at least two zones of a plurality of production zones in an interval of the borehole;   operably coupling a pump to at least one of the plurality of production zones that exhibits a lower productivity index than at least one zone of the plurality of production zones that exhibits a higher productivity index; and   boosting production through the pump of the lower productivity zone to produce at a rate of the higher productivity zone.   
     
     
         10 . The method as claimed in  claim 9  further including operably coupling a second pump to a second one of the plurality of production zones and boosting production from the second zone to produce at a rate of the higher productivity zone. 
     
     
         11 . The method as claimed in  claim 9  wherein the boosting is by pumping with an electric submersible pump. 
     
     
         12 . The method as claimed in  claim 9  wherein the boosting is by magnetically pumping fluid. 
     
     
         13 . The method as claimed in  claim 9  further including filtering a production fluid at least from the zone or zones having a lower productivity index. 
     
     
         14 . The method as claimed in  claim 9  further including filtering production fluid from all production zones.