Invention Application
- Patent Title: BACK PRESSURE CONTROL SYSTEM
- Patent Title (中): 背压控制系统
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Application No.: PCT/US2015/020922Application Date: 2015-03-17
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Publication No.: WO2015142819A1Publication Date: 2015-09-24
- Inventor: NOTT, Darcy , BUTLER, Stuart , RAMBO, Dean
- Applicant: CANRIG DRILLING TECHNOLOGY LTD.
- Applicant Address: 8223 Willow Place Drive South Houston, Texas 77027 US
- Assignee: CANRIG DRILLING TECHNOLOGY LTD.
- Current Assignee: CANRIG DRILLING TECHNOLOGY LTD.
- Current Assignee Address: 8223 Willow Place Drive South Houston, Texas 77027 US
- Agency: DEIULIO, Matthew I. et al.
- Priority: US61/968,809 20140321
- Main IPC: E21B34/10
- IPC: E21B34/10 ; F15B13/01 ; E21B21/08
Abstract:
A back pressure control system adapted to be at least partially integrated with a drill rig.
Information query
