Determining Groupings of Two or More Boreholes

Abstract

One or more methods are described for grouping two or more boreholes, and along with related systems and computer readable media. The method can include obtaining mechanical specific energy (MSE) values for each of a plurality of boreholes traversing one or more geological formations, grouping two or more boreholes of the plurality of boreholes based on MSE values, and determining one or more parameters of a well completion scenario for at least a portion of the first and second boreholes, based on the group on of boreholes. Also provided herein are one or more computer readable media having computer executable instructions that, when executed by at least one processor, cause the processor to the above method. Still further provided herein are one or more systems including at least one processor and the above computer readable media.

1 . A method comprising:
 obtaining mechanical specific energy (MSE) values for each of a plurality of boreholes traversing one or more geological formations;   grouping two or more boreholes of the plurality of boreholes based on MSE values, wherein at least a portion of a first borehole of the plurality of boreholes is grouped with at least a portion of at least a second borehole of the plurality of boreholes;   determining one or more parameters of a well completion scenario for at least a portion of the first and second boreholes, wherein the well completion scenario is based at least in part on the grouping of two or more boreholes of the plurality of boreholes based on MSE values; and   completing or recompleting a plurality of wells based on the well completion scenario, wherein the completing or recompleting of each of the plurality of wells occurs simultaneously or substantially simultaneously.   
     
     
         2 . The method of  claim 1 , wherein the MSE values are obtained by calculating MSE based on drilling data for the plurality of boreholes. 
     
     
         3 . The method of  claim 1 , wherein the grouping of two or more boreholes is at least in part based on grouping the portions of the first and second borehole having the same or similar MSE values as determined by one selected from the group consisting of MSE average values, MSE standard deviation, MSE variance, MSE median, shape of the cumulative MSE distribution curve, and any combination of two or more of the foregoing. 
     
     
         4 . The method of  claim 1 , wherein the grouping of two or more boreholes is at least in part based on grouping:
 (A) the portions of the first borehole and second borehole having the same or similar MSE values as determined by a mapping of the MSE values of the one or more geological formations traversed by the first and second boreholes;   (B) the portions of the first and second borehole having the same or similar MSE values as determined by a quantitative statistical analysis of the MSE values of the one or more geological formations traversed by the first and second boreholes;   (C) the portions of the first and second borehole having the same or similar MSE values as determined by a granular assessment of the MSE values of the one or more geological formations traversed by the first and second boreholes; or   (D) any combination of two or more of the foregoing.   
     
     
         5 . The method of  claim 4 , wherein:
 in (A) the mapping of MSE values comprises (a) categorizing the MSE values for each respective portion of the boreholes into a plurality of groups according to different ranges of MSE values, wherein the different ranges of MSE values represent different facies of rock; and (b) mapping groups to which the MSE values are categorized with locations along the portions of each respective borehole that are associated with the MSE values;   in (B) the quantitative statistical analysis comprises a cluster analysis as performed with a cross-plot of MSE variance versus MSE Median; and/or   in (C) the granular assessment comprises (a) categorizing the MSE values of each respective borehole into a plurality of groups according to different ranges of MSE values, wherein the different ranges of MSE values represent different facies of rock; and (b) comparing the groups to which the MSE values are categorized with locations along portions of each respective borehole which are associated with the MSE values so as to group particular portions of each respective borehole with one another.   
     
     
         6 . The method of  claim 1 , wherein the well completion scenario comprises positioning at least one perforation cluster at a location along each respective borehole having the same or substantially similar facies as defined by the grouping of MSE values. 
     
     
         7 . The method of  claim 6  comprising perforating at least a portion of each respective borehole based on the well completion scenario. 
     
     
         8 . The method of  claim 1  wherein the well completion scenario comprises determining a hydraulic fracturing fluid initiation pressure for at least a portion of each respective borehole. 
     
     
         9 . The method of  claim 1 , wherein the well completion scenario comprises selecting a proppant for use in at least a portion of each respective borehole. 
     
     
         10 . The method of  claim 1 , wherein the well completion scenario comprises positioning at least one fracture plug at a location along each respective borehole. 
     
     
         11 . The method of  claim 1 , wherein the well completion scenario comprises selecting a hydraulic fracturing fluid for use in at least a portion of each respective borehole, and using the hydraulic fracturing fluid in a hydraulic fracturing process. 
     
     
         12 . The method of  claim 1  further comprising fracturing at least a portion of the first borehole, the second borehole, or both of the foregoing. 
     
     
         13 . A non-transitory computer-readable medium having computer executable instructions that, when executed by at least one processor, cause the processor to perform a method, the method comprising:
 obtaining mechanical specific energy (MSE) values for each of a plurality of boreholes traversing one or more geological formations;   grouping two or more boreholes of the plurality of boreholes based on MSE values, wherein at least a portion of a first borehole of the plurality of boreholes is grouped with at least a portion of at least a second borehole of the plurality of boreholes; and   determining one or more parameters of a well completion scenario for at least a portion of the first and second boreholes, wherein the well completion scenario is based at least in part on the grouping of the two or more boreholes of the plurality of boreholes based on MSE values, wherein the well completion scenario includes a simultaneous hydraulic fracturing process.   
     
     
         14 . The non-transitory computer-readable medium of  claim 13 , wherein the MSE values are obtained by calculating MSE based on drilling data for the plurality of boreholes. 
     
     
         15 . The non-transitory computer-readable medium of  claim 13 , wherein the grouping of two or more boreholes is at least in part based on grouping the portions of the first and second borehole having the same or similar MSE values as determined by one selected from the group consisting of MSE average values, MSE standard deviation, MSE variance, MSE median, shape of the cumulative MSE distribution curve, and any combination of two or more of the foregoing. 
     
     
         16 . The non-transitory computer-readable medium of  claim 13 , wherein the grouping of two or more boreholes is at least in part based on grouping
 (A) the portions of the first borehole and second borehole having the same or similar MSE values as determined by a mapping of the MSE values of the one or more geological formations traversed by the first and second boreholes;   (B) the portions of the first and second borehole having the same or similar MSE values as determined by a quantitative statistical analysis of the MSE values of the one or more geological formations traversed by the first and second boreholes;   (C) the portions of the first and second borehole having the same or similar MSE values as determined by a granular assessment of the MSE values of the one or more geological formations traversed by the first and second boreholes; or   (D) any combination of two or more of the foregoing.   
     
     
         17 . The non-transitory computer-readable medium of  claim 16 , wherein:
 in (A) the mapping of MSE values comprises (a) categorizing the MSE values for each respective portion of the boreholes into a plurality of groups according to different ranges of MSE values, wherein the different ranges of MSE values represent different facies of rock; and (b) mapping groups to which the MSE values are categorized with locations along the portions of each respective borehole that are associated with the MSE values;   in (B) the quantitative statistical analysis comprises a cluster analysis as performed with a cross-plot of MSE variance versus MSE Median; and/or   in (C) the granular assessment comprises (a) categorizing the MSE values of each respective borehole into a plurality of groups according to different ranges of MSE values, wherein the different ranges of MSE values represent different facies of rock; and (b) comparing the groups to which the MSE values are categorized with locations along portions of each respective borehole which are associated with the MSE values so as to group particular portions of each respective borehole with one another.   
     
     
         18 . A system comprising:
 at least one processor; and   one or more tangible non-transitory computer readable storage media upon which is encoded machine-readable code that when executed is configured so that the system carries out a method comprising:   obtaining mechanical specific energy (MSE) values for each of a plurality of boreholes traversing one or more geological formations;   grouping two or more boreholes of the plurality of boreholes based on MSE values, wherein at least a portion of a first borehole of the plurality of boreholes is grouped with at least a portion of at least a second borehole of the plurality of boreholes; and   determining one or more parameters of a well completion scenario for at least a portion of the first and second boreholes, wherein the well completion scenario is based at least in part on the grouping of the two or more boreholes of the plurality of boreholes based on MSE values, wherein the well completion scenario includes a simultaneous hydraulic fracturing process.   
     
     
         19 . The system of  claim 18 , wherein the MSE values are obtained by calculating MSE based on drilling data for the plurality of boreholes. 
     
     
         20 . The system of  claim 18 , wherein the grouping of two or more boreholes is at least in part based on grouping the portions of the first and second borehole having the same or similar MSE values as determined by one selected from the group consisting of MSE average values, MSE standard deviation, MSE variance, MSE median, shape of the cumulative MSE distribution curve, and any combination of two or more of the foregoing. 
     
     
         21 . The system of  claim 18 , wherein the grouping of two or more boreholes is at least in part based on grouping
 (A) the portions of the first borehole and second borehole having the same or similar MSE values as determined by a mapping of the MSE values of the one or more geological formations traversed by the first and second boreholes;   (B) the portions of the first and second borehole having the same or similar MSE values as determined by a quantitative statistical analysis of the MSE values of the one or more geological formations traversed by the first and second boreholes;   (C) the portions of the first and second borehole having the same or similar MSE values as determined by a granular assessment of the MSE values of the one or more geological formations traversed by the first and second boreholes; or   (D) any combination of two or more of the foregoing.   
     
     
         22 . The system of  claim 21 , wherein:
 in (A) the mapping of MSE values comprises (a) categorizing the MSE values for each respective portion of the boreholes into a plurality of groups according to different ranges of MSE values, wherein the different ranges of MSE values represent different facies of rock; and (b) mapping groups to which the MSE values are categorized with locations along the portions of each respective borehole that are associated with the MSE values;   in (B) the quantitative statistical analysis comprises a cluster analysis as performed with a cross-plot of MSE variance versus MSE Median; and/or   in (C) the granular assessment comprises (a) categorizing the MSE values of each respective borehole into a plurality of groups according to different ranges of MSE values, wherein the different ranges of MSE values represent different facies of rock; and (b) comparing the groups to which the MSE values are categorized with locations along portions of each respective borehole which are associated with the MSE values so as to group particular portions of each respective borehole with one another.