Drilling framework

Abstract

A method may include receiving data for drilling of a borehole in a subsurface environment according to a borehole trajectory for a target well at a field location in a basin; accessing offset well data for wells in the basin using at least a portion of the data, where the offset well data include identified formation tops with respect to well depth for a number of formations within the basin and mechanical specific energy drilling data with respect to well depth; aligning the offset well data using the formation tops to generate aligned offset well data that specify one or more drilling zones based on the mechanical specific energy drilling data; and performing the drilling based at least in part on the aligned offset well data.

What is claimed is: 
     
         1 . A method comprising:
 receiving data for drilling of a borehole in a subsurface environment according to a borehole trajectory for a target well at a field location in a basin;   accessing offset well data for wells in the basin using at least a portion of the data, wherein the offset well data comprise identified formation tops with respect to well depth for a number of formations within the basin and mechanical specific energy drilling data with respect to well depth;   aligning the offset well data using the formation tops to generate aligned offset well data that specify one or more drilling zones based on the mechanical specific energy drilling data; and   performing the drilling based at least in part on the aligned offset well data.   
     
     
         2 . The method of  claim 1 , wherein performing the drilling comprises setting one or more drilling parameters based at least in part on depth of one of the one or more drilling zones. 
     
     
         3 . The method of  claim 1 , wherein the one or more drilling zones comprise one or more of an interbed formation and a hard stringer formation. 
     
     
         4 . The method of  claim 1 , wherein the one or more drilling zones comprise a high shock and vibration interval. 
     
     
         5 . The method of  claim 1 , comprising determining the one or more drilling zones by at least in part implementing a decision tree model. 
     
     
         6 . The method of  claim 1 , comprising determining a drilling risk for at least one of the one or more drilling zones. 
     
     
         7 . The method of  claim 1 , wherein the aligned offset well data comprise uniaxial compressive strength (UCS) data. 
     
     
         8 . The method of  claim 1 , wherein the aligned offset well data comprise abrasion data. 
     
     
         9 . The method of  claim 1 , wherein the aligned offset well data comprise impact data. 
     
     
         10 . The method of  claim 1 , comprising generating simulated data for the target well using at least a portion of the aligned offset well data. 
     
     
         11 . The method of  claim 1 , wherein the accessing occurs automatically responsive to the receiving data for drilling. 
     
     
         12 . The method of  claim 11 , wherein the accessing comprises selecting the offset wells based at least in part on the location. 
     
     
         13 . The method of  claim 11 , wherein the accessing comprises selecting the offset wells based at least in part on the borehole trajectory. 
     
     
         14 . The method of  claim 13 , wherein the borehole trajectory comprises a dogleg. 
     
     
         15 . The method of  claim 1 , wherein the performing comprises estimating real-time drill bit damage of a drill bit of a drillstring disposed in the borehole during performance of the drilling based at least in part on the aligned offset well data and adjusting one or more drilling parameters of the drilling based on the estimating. 
     
     
         16 . The method of  claim 15 , comprising determining a trip out time for tripping out the drillstring for servicing of the drill bit. 
     
     
         17 . The method of  claim 1 , wherein the performing comprises estimating real-time risk of an event occurring during performance of the drilling based at least in part on the aligned offset well data and adjusting one or more drilling parameters of the drilling based on the estimating. 
     
     
         18 . The method of  claim 1 , wherein the performing comprises implementing a controller that comprises levels of automation. 
     
     
         19 . A system comprising:
 one or more processors;   memory accessible to at least one of the one or more processors;   processor-executable instructions stored in the memory and executable to instruct the system to:
 receive data for drilling of a borehole in a subsurface environment according to a borehole trajectory for a target well at a field location in a basin; 
 access offset well data for wells in the basin using at least a portion of the data, wherein the offset well data comprise identified formation tops with respect to well depth for a number of formations within the basin and mechanical specific energy drilling data with respect to well depth; 
 align the offset well data using the formation tops to generate aligned offset well data that specify one or more drilling zones based on the mechanical specific energy drilling data; and 
 perform the drilling based at least in part on the aligned offset well data. 
   
     
     
         20 . One or more computer-readable storage media comprising processor-executable instructions to instruct a computing system to:
 receive data for drilling of a borehole in a subsurface environment according to a borehole trajectory for a target well at a field location in a basin;   access offset well data for wells in the basin using at least a portion of the data, wherein the offset well data comprise identified formation tops with respect to well depth for a number of formations within the basin and mechanical specific energy drilling data with respect to well depth;   align the offset well data using the formation tops to generate aligned offset well data that specify one or more drilling zones based on the mechanical specific energy drilling data; and   perform the drilling based at least in part on the aligned offset well data.