Invention Grant
- Patent Title: Robust early kick detection using real time drilling
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Application No.: US16640666Application Date: 2017-12-22
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Publication No.: US11255180B2Publication Date: 2022-02-22
- Inventor: Shang Zhang , Hewei Tang , Feifei Zhang , Suresh Venugopal , Patrick McCormack
- Applicant: Landmark Graphics Corporation
- Applicant Address: US TX Houston
- Assignee: Landmark Graphics Corporation
- Current Assignee: Landmark Graphics Corporation
- Current Assignee Address: US TX Houston
- Agency: Haynes and Boone, LLP
- International Application: PCT/US2017/068299 WO 20171222
- International Announcement: WO2019/125494 WO 20190627
- Main IPC: E21B21/08
- IPC: E21B21/08 ; E21B45/00 ; E21B47/10 ; E21B44/06 ; E21B47/04 ; E21B44/00

Abstract:
Embodiments of the subject technology provide for receiving real-time drilling data comprising different drilling parameters measured during a drilling operation. The subject technology calculates a kick detection parameter based at least in part on the different drilling parameters. The subject technology detects an occurrence of a kick during the drilling operation when the kick detection parameter deviates from a trend formed by previously calculated kick detection parameters. Further, the subject technology activates an alarm during the drilling operation in response to detected occurrence of the kick to facilitate preventing a blowout.
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