Invention Grant
- Patent Title: Positive retraction latch locking dog for a rotating control device
- Patent Title (中): 用于旋转控制装置的正退回锁定锁
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Application No.: US13183787Application Date: 2011-07-15
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Publication No.: US09010433B2Publication Date: 2015-04-21
- Inventor: Aristeo Rios, III , James W. Chambers , Thomas F. Bailey , Danny W. Wagoner , Simon J. Harrall
- Applicant: Aristeo Rios, III , James W. Chambers , Thomas F. Bailey , Danny W. Wagoner , Simon J. Harrall
- Applicant Address: US TX Houston
- Assignee: Weatherford Technology Holdings, LLC
- Current Assignee: Weatherford Technology Holdings, LLC
- Current Assignee Address: US TX Houston
- Agency: Oathout Law Firm
- Agent Mark A. Oathout
- Main IPC: E05C1/12
- IPC: E05C1/12 ; E21B33/08 ; E21B33/038
Abstract:
A latch and method for use is provided for latching an item of oilfield equipment. The latch has a housing containing a latch member, and the latch member is movable between a radially engaged position in which it is engaged with the item of oilfield equipment, and a radially retracted position in which it is disengaged from the item of oilfield equipment. An actuator is configured to drive the latch member into the radially engaged position. Further, the actuator is configured to drive the latch member toward the radially retracted position.
Public/Granted literature
- US20120013133A1 Positive Retraction Latch Locking Dog for a Rotating Control Device Public/Granted day:2012-01-19
Information query
