System and methods for real-time wellbore stability service
First Claim
Patent Images
1. A method of conducting a drilling operation, comprising:
- drilling a borehole;
predicting a value of a first parameter relating to the drilling of the borehole using a Geomechanical Model;
estimating a value of a second parameter from measurements taken by a sensor; and
using a processor to control the drilling operation by;
updating the Geomechanical Model based at least in part on the estimated value of the second parameter,predicting in real time a second value of the first parameter using the updated Geomechanical Model, andaltering a drilling parameter for drilling the borehole based on the predicted second value of the first parameter to reduce a tendency of a drill bit to drift in a direction of a minimum horizontal principal stress.
1 Assignment
0 Petitions
Accused Products
Abstract
Apparatus and method of conducting a drilling operation are provided. One embodiment of the method includes drilling a borehole, predicting a value of a first parameter relating to the drilling of the borehole using a geomechanical model, estimating a value of a second parameter from measurements taken by a sensor, updating the geomechanical model based at least in part on the estimated value of the second parameter, predicting a second value of the first parameter using the updated geomechanical model, and altering a drilling parameter for drilling the borehole based on the predicted second value of the first parameter.
-
Citations
21 Claims
-
1. A method of conducting a drilling operation, comprising:
-
drilling a borehole; predicting a value of a first parameter relating to the drilling of the borehole using a Geomechanical Model; estimating a value of a second parameter from measurements taken by a sensor; and using a processor to control the drilling operation by; updating the Geomechanical Model based at least in part on the estimated value of the second parameter, predicting in real time a second value of the first parameter using the updated Geomechanical Model, and altering a drilling parameter for drilling the borehole based on the predicted second value of the first parameter to reduce a tendency of a drill bit to drift in a direction of a minimum horizontal principal stress. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. An apparatus configured to conduct a drilling operation, the apparatus comprising:
-
a drill string for drilling a borehole; a bottomhole assembly configured to be conveyed into a borehole on the drill string; a sensor configured to make a measurement at one of;
(i) a downhole location, and (ii) a surface location; anda processor configured to control the drilling operation by; predicting a value of a first parameter relating to drilling of the borehole using a Geomechanical Model, estimating a value of a second parameter from the measurement taken by the sensor, updating the Geomechanical Model based at least in part on the estimated value of the second parameter, predicting in real time a second value of the first parameter using the updated Geomechanical Model, and altering a drilling parameter for drilling the borehole based on the predicted second value of the first parameter to reduce a tendency of a drill bit to drift in a direction of a minimum horizontal principal stress. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
-
-
16. A non-transitory computer-readable medium having stored thereon instructions that when executed by a processor enable the processor to perform a method for drilling a borehole, the method comprising:
-
predicting a value of a first parameter relating to the drilling of the borehole using a Geomechanical Model; estimating a value of a second parameter from measurements taken by a sensor; and controlling the drilling operation by; updating the Geomechanical Model based at least in part on the estimated value of the second parameter, predicting a second value of the first parameter using the updated Geomechanical Model, and altering a drilling parameter for drilling the borehole based on the predicted second value of the first parameter to reduce a tendency of a drill bit to drift in a direction of a minimum horizontal principal stress. - View Dependent Claims (17, 18, 19, 20)
-
-
21. A method of conducting a drilling operation, comprising:
conveying a drilling assembly for conducting the drilling operation into a borehole, the drilling assembly including a sensor configured to make a measurement relating to a selected parameter; making the measurement by the sensor and estimating a value of the selected parameter using the sensor measurement; and using a processor to control the drilling operation by; predicting a value of the selected parameter using a Geomechanical Model, comparing the estimated value of the selected parameter and the predicted value of the selected parameter, and altering a parameter relating to the drilling operation based at least in part on comparing the estimated value and the predicted value of the selected parameter to reduce a tendency of a drill bit to drift in a direction of a minimum horizontal principal stress.
Specification