Invention Grant
- Patent Title: Production tubing hydraulic release mechanism and method of use
- Patent Title (中): 生产油管液压释放机构及使用方法
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Application No.: US11518107Application Date: 2006-09-09
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Publication No.: US07748465B2Publication Date: 2010-07-06
- Inventor: Charles L. Bryant, Jr.
- Applicant: Charles L. Bryant, Jr.
- Applicant Address: US LA Harvey
- Assignee: Rattler Tools, LLC
- Current Assignee: Rattler Tools, LLC
- Current Assignee Address: US LA Harvey
- Agency: Law Office of Jesse D. Lambert, LLC
- Main IPC: E21B17/02
- IPC: E21B17/02 ; E21B23/00
Abstract:
A release mechanism for removing a subsurface safety control valve from a production string in a well bore is mounted below the safety valve in operational engagement with the safety valve and the production string. The release mechanism has a two-part construction, with the upper part being normally locked to the lower part and released from the lower part when changing of the safety valve is required.
Public/Granted literature
- US20080060817A1 Production tubing hydraulic release mechanism Public/Granted day:2008-03-13
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