# US 10,872,183 B2 · Geomechanical risk and hazard assessment and mitigation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,872,183 B2 - Document ID: US10872183B2 - Status: Granted - Kind: B2 - Application number: 15/785,484 - Filed: 2017-10-17 - Published: 2018-04-26 - Granted: 2020-12-22 - Earliest claimed: 2016-10-21 - Assignees: Baker Hughes, A Ge Company, LLC - Applicants: Michael Reese; Shauna Brown; Malcolm Sim; John David D'Alessandro - Inventors: Michael Reese; Shauna Brown; Malcolm Sim; John David D'Alessandro - Web page: https://patentgrep.com/patent/US10872183B2 ## CPC - G06F 30/20: Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) - E21B 41/00: Equipment or details not covered by groups E21B15/00 - E21B40/00 - E21B 44/00: Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions - E21B 49/00: Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells - E21B 7/04: Directional drilling - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS ## Abstract Examples of techniques for geomechanical risk and hazard assessment and mitigation are disclosed. In one example implementation, a method may include generating, by a processor, a geomechanical model for a location for drilling a borehole; performing a risk assessment to identify at least one risk associated with drilling the borehole; updating, by the processor, the geomechanical model as a pre-drill updated geomechanical model by applying a mitigation solution to mitigate the at least one risk associated with drilling the borehole; generating, by the processor, a drilling plan for drilling the borehole based on the pre-drill geomechanical model; and drilling the borehole based on the drilling plan. ## Claims ### Claim 1 A computer-implemented method for geomechanical risk and hazard assessment and mitigation, the method comprising: generating, by a processor, a geomechanical model for a location for drilling a borehole; performing a risk assessment to identify at least one risk associated with drilling the borehole; updating, by the processor, the geomechanical model as a pre-drill geomechanical model by applying a mitigation solution to mitigate the at least one risk associated with drilling the borehole; generating, by the processor, a drilling plan for drilling the borehole based on the pre-drill geomechanical model; and drilling the borehole based on the drilling plan; wherein performing the risk assessment further comprises: associating with the at least one risk an initial probability of occurrence of the risk prior to applying the mitigation solution; associating with the at least one risk an initial impact of occurrence of the risk prior to applying the mitigation solution; determining an initial risk grade for the at least one risk based on the initial probability of occurrence of the risk and the initial impact of occurrence of the risk prior to applying the mitigation solution; associating with the at least one risk a final probability of occurrence of the risk based on applying the mitigation solution subsequent to applying the mitigation solution; associating with the at least one risk a final impact of occurrence of the risk subsequent to applying the mitigation solution; and determining a final risk grade for the at least one risk based on the final probability of occurrence of the risk and the final impact of occurrence of the risk subsequent to applying the mitigation solution. ### Claim 2 (depends on 1) The computer-implemented method of claim 1, further comprising: monitoring the drilling the borehole in real time to collect borehole data during the drilling the borehole. ### Claim 3 (depends on 2) The computer-implemented method of claim 2, further comprising: updating the pre-drill geomechanical model continuously as an updated geomechanical model based on the borehole data. ### Claim 4 (depends on 3) The computer-implemented method of claim 3, further comprising: updating the drilling plan as an updated drilling plan based on the updated geomechanical model. ### Claim 5 (depends on 4) The computer-implemented method of claim 4, further comprising: altering the drilling the borehole based on the updated drilling plan. ### Claim 6 (depends on 5) The computer-implemented method of claim 5, wherein altering the drilling the borehole based on the updated drilling plan comprises altering at least one of a drilling trajectory, a drilling speed, and a drilling depth. ### Claim 7 (depends on 2) The computer-implemented method of claim 2, wherein the drilling the borehole and the monitoring the drilling the borehole in real time to collect the borehole data is performed by an automated drilling system. ### Claim 8 (depends on 1) The computer-implemented method of claim 1, wherein a subject matter expert performs the risk assessment to identify the at least one risk associated with drilling the borehole. ### Claim 9 A system for geomechanical risk and hazard assessment and mitigation, the system comprising: a memory comprising computer readable instructions; and a processor for executing the computer readable instructions for performing a method, the method comprising: performing a risk assessment to identify at least one risk associated with drilling a borehole; updating, by the processor, a geomechanical model as a pre-drill geomechanical model by applying a mitigation solution to mitigate the at least one risk associated with drilling the borehole; generating, by the processor, a drilling plan for drilling the borehole based on the pre-drill geomechanical model; drilling the borehole based on the drilling plan; and altering the drilling the borehole based on monitoring the drilling the borehole to collect borehole data during the drilling, wherein performing the risk assessment further comprises: associating with the at least one risk an initial probability of occurrence of the risk prior to applying the mitigation solution; associating with the at least one risk an initial impact of occurrence of the risk prior to applying the mitigation solution; determining an initial risk grade for the at least one risk based on the initial probability of occurrence of the risk and the initial impact of occurrence of the risk prior to applying the mitigation solution; associating with the at least one risk a final probability of occurrence of the risk based on applying the mitigation solution subsequent to applying the mitigation solution; associating with the at least one risk a final impact of occurrence of the risk subsequent to applying the mitigation solution; and determining a final risk grade for the at least one risk based on the final probability of occurrence of the risk and the final impact of occurrence of the risk subsequent to applying the mitigation solution. ### Claim 10 (depends on 9) The system of claim 9, the method further comprising: updating the pre-drill geomechanical model continuously as an updated geomechanical model based on the borehole data; and updating the drilling plan as an updated drilling plan based on the updated geomechanical model. ### Claim 11 (depends on 9) The system of claim 9, wherein a subject matter expert performs the risk assessment to identify the at least one risk associated with drilling the borehole. ### Claim 12 (depends on 1) The computer-implemented method of claim 1, further comprising: prior to updating the geomechanical model, determining the mitigation solution to reduce a potential effect of the at least one risk.