Wellbore hole profile determination

Abstract

A method comprises obtaining subsurface formation properties of the subsurface formation and obtaining, via one or more sensors on the drill string assembly, wellbore properties corresponding to a first depth interval of the wellbore, wherein the first depth interval comprises one or more axial layers. The method comprises selecting, via a hole profile generator, a failure criteria of the subsurface formation corresponding to the first depth interval. The method comprises determining, via the hole profile generator, a layer failure volume for each axial layer of the first depth interval based on the wellbore properties and the failure criteria. The method comprises determining, via the hole profile 10 generator, a radial distance of the wellbore for the first depth interval based on the layer failure volumes. The method comprises identifying, via the hole profile generator, a hole profile type for the wellbore based on the radial distance of the first depth interval.

1 . A method performed while drilling a wellbore with a drill string assembly in a subsurface formation comprising:
 obtaining subsurface formation properties of the subsurface formation;   obtaining, via one or more sensors on the drill string assembly, wellbore properties corresponding to a first depth interval of the wellbore, wherein the first depth interval comprises one or more axial layers;   selecting, via a hole profile generator, a failure criteria of the subsurface formation corresponding to the first depth interval;   determining, via the hole profile generator, a layer failure volume for each axial layer of the first depth interval based on the wellbore properties and the failure criteria;   determining, via the hole profile generator, a radial distance of the wellbore for the first depth interval based on the layer failure volumes; and   identifying, via the hole profile generator, a hole profile type for the wellbore based on the radial distance of the first depth interval.   
     
     
         2 . The method of  claim 1  further comprising:
 updating a hole profile log based on the radial distance of the first depth interval. 
 
     
     
         3 . The method of  claim 1 , wherein the failure criteria is selected based on lithology of the subsurface formation corresponding to the first depth interval. 
     
     
         4 . The method of  claim 1 , wherein the subsurface formation properties include principal stresses of the subsurface formation and lithology, and wherein the wellbore properties include inclination and azimuth. 
     
     
         5 . The method of  claim 1 , further comprising:
 determining the layer failure volume of each radial layer of a first axial layer until a breakout angle is zero; and   determining the layer failure volume of the first axial layer based on the layer failure volume of the radial layers.   
     
     
         6 . The method of  claim 1  further comprising;
 determining hydraulic properties, wherein the hydraulic properties include standpipe pressure and equivalent circulating density; and 
 confirming the radial distance of the wellbore for the first depth interval based on the hydraulic properties. 
 
     
     
         7 . The method of  claim 1  further comprising:
 performing a drilling operation based on the hole profile type. 
 
     
     
         8 . The method of  claim 1 , wherein the hole profile type includes a gauge hole, a breakout, a washout, and a key seat. 
     
     
         9 . A system comprising:
 a drill string assembly configured to drill a wellbore in a subsurface formation;   a processor; and   a computer-readable medium having instructions stored thereon that are executable by the processor, the instructions including,   instructions to obtain subsurface formation properties of the subsurface formation;   instructions to obtain, via one or more sensors on the drill string assembly, wellbore properties corresponding to a first depth interval of the wellbore, wherein the first depth interval comprises one or more axial layers;   instructions to select, via a hole profile generator, a failure criteria of the subsurface formation corresponding to the first depth interval;   instructions to determine, via the hole profile generator, a layer failure volume for each axial layer of the first depth interval based on the wellbore properties and the failure criteria;   instructions to determine, via the hole profile generator, a radial distance of the wellbore for the first depth interval based on the layer failure volumes; and   instructions to identify, via the hole profile generator, a hole profile type for the wellbore based on the radial distance of the first depth interval.   
     
     
         10 . The system of  claim 9  further comprising:
 instructions to determine the radial distance of the wellbore of a second depth interval, wherein the second depth interval is at a depth greater than the first depth interval; and 
 instructions to update a hole profile log based on the radial distance of the second depth interval. 
 
     
     
         11 . The system of  claim 9 , wherein the failure criteria is selected based on lithology of the subsurface formation corresponding to the first depth interval. 
     
     
         12 . The system of  claim 9 , wherein the subsurface formation properties include principal stresses of the subsurface formation and lithology, and wherein the wellbore properties include inclination and azimuth. 
     
     
         13 . The system of  claim 9 , further comprising:
 instructions to determine the layer failure volume of each radial layer of a first axial layer until a breakout angle is zero; and   instructions to determine the layer failure volume of the first axial layer based on the layer failure volume of the radial layers.   
     
     
         14 . The system of  claim 9  further comprising;
 instructions to determine hydraulic properties, wherein the hydraulic properties include standpipe pressure and equivalent circulating density; and 
 instructions to confirm the radial distance of the wellbore for the first depth interval based on the hydraulic properties. 
 
     
     
         15 . The system of  claim 9  further comprising:
 instructions to perform a drilling operation based on the hole profile type. 
 
     
     
         16 . The system of  claim 9 , wherein the hole profile type includes a gauge hole, a breakout, a washout, and a key seat. 
     
     
         17 . A non-transitory, computer-readable medium having instructions stored thereon that are executable by a processor, the instructions comprising:
 instructions to obtain subsurface formation properties of a subsurface formation, wherein a wellbore is drilled, via a drill string assembly, in the subsurface formation;   instructions to obtain, via one or more sensors on the drill string assembly, wellbore properties corresponding to a first depth interval of the wellbore, wherein the first depth interval comprises one or more axial layers;   instructions to select, via a hole profile generator, a failure criteria of the subsurface formation corresponding to the first depth interval;   instructions to determine, via the hole profile generator, a layer failure volume for each axial layer of the first depth interval based on the wellbore properties and the failure criteria;   instructions to determine, via the hole profile generator, a radial distance of the wellbore for the first depth interval based on the layer failure volumes; and   instructions to identify, via the hole profile generator, a hole profile type for the wellbore based on the radial distance of the first depth interval.   
     
     
         18 . The non-transitory, computer-readable medium of  claim 17  further comprising:
 instructions to determine the radial distance of the wellbore of a second depth interval, wherein the second depth interval is at a depth greater than the first depth interval; and 
 instructions to update a hole profile log based on the radial distance of the second depth interval. 
 
     
     
         19 . The non-transitory, computer-readable medium of  claim 17 , further comprising:
 instructions to determine the layer failure volume of each radial layer of a first axial layer until a breakout angle is zero; and   instructions to determine the layer failure volume of the first axial layer based on the layer failure volume of the radial layers.   
     
     
         20 . The non-transitory, computer-readable medium of  claim 17  further comprising:
 instructions to determine hydraulic properties, wherein the hydraulic properties include standpipe pressure and equivalent circulating density; and 
 instructions to confirm the radial distance of the wellbore for the first depth interval based on the hydraulic properties.