Invention Grant
- Patent Title: Systems and methods for sensorless state estimation, disturbance estimation, and model adaption for rotary steerable drilling systems
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Application No.: US15563316Application Date: 2015-04-29
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Publication No.: US11225834B2Publication Date: 2022-01-18
- Inventor: Venkata Madhukanth Vadali , Jason D. Dykstra , Xiaoqing Ge , Yuzhen Xue , Xingyong Song
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: Chamberlain Hrdlicka
- International Application: PCT/US2015/028299 WO 20150429
- International Announcement: WO2016/175797 WO 20161103
- Main IPC: E21B7/04
- IPC: E21B7/04 ; E21B44/00 ; E21B47/09 ; G06F9/455 ; E21B47/02 ; G06F30/20 ; E21B47/022 ; G05B13/04 ; G06F111/10 ; E21B34/06
Abstract:
A method of estimating a state of a rotary steerable drilling system comprising applying a control input to a rotary steerable drilling system, sensing an actual output of the rotary steerable drilling system, inputting the control input into a mathematical model of the rotary steerable drilling system, receiving an estimated output of the rotary steerable drilling system from the mathematical model, generating an error compensation signal based on a difference between the actual output and the estimated output, and applying the error compensation signal to the mathematical model.
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