Invention Grant
- Patent Title: Systems and methods for determining the moments and forces of two concentric pipes within a wellbore
- Patent Title (中): 用于确定井筒内两个同心管道的力矩和力的系统和方法
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Application No.: US13980913Application Date: 2011-06-24
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Publication No.: US08855933B2Publication Date: 2014-10-07
- Inventor: Robert F. Mitchell
- Applicant: Robert F. Mitchell
- Applicant Address: US TX Houston
- Assignee: Landmark Graphics Corporation
- Current Assignee: Landmark Graphics Corporation
- Current Assignee Address: US TX Houston
- Agency: Crain, Caton & James
- Agent Jennifer Trillsch
- International Application: PCT/US2011/041867 WO 20110624
- International Announcement: WO2012/177264 WO 20121227
- Main IPC: G01V1/40
- IPC: G01V1/40 ; E21B47/00 ; E21B47/09
Abstract:
Systems and methods for determining the bending moment and shear force of tubing and casing when the tubing buckles and contacts the casing.
Public/Granted literature
- US20140032115A1 Systems and Methods for Determining the Moments and Forces of Two Concentric Pipes Within a Wellbore Public/Granted day:2014-01-30
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