Invention Grant
US08707979B2 Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms
有权
用于倾倒多个同轴或嵌套的水下管道和/或管道的翻转井或平台的方法和装置
- Patent Title: Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms
- Patent Title (中): 用于倾倒多个同轴或嵌套的水下管道和/或管道的翻转井或平台的方法和装置
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Application No.: US13717890Application Date: 2012-12-18
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Publication No.: US08707979B2Publication Date: 2014-04-29
- Inventor: Harry McGraw , Leslie M. Bland , Daniel S. Bangert , Mark F. Gravouia , Rizal Masingkan
- Applicant: Tetra Applied Technologies, LLC
- Applicant Address: US TX The Woodlands
- Assignee: TETRA Applied Technologies, L.L.C.
- Current Assignee: TETRA Applied Technologies, L.L.C.
- Current Assignee Address: US TX The Woodlands
- Agency: Garvey, Smith, Nehrbass & North, L.L.C.
- Agent Brett A. North
- Main IPC: F16L41/06
- IPC: F16L41/06
Abstract:
A method and apparatus for tapping into a pressurized multiple strings of coaxially situated tubulars for wells and/or platforms which have overturned wherein the tapping occurs underwater via a diver or remotely operated vehicle. The assembly includes a tapping tool connectable to the tubular via a saddle connection and an adjustable tapping clamp with adjustable support/locking feet, compression plate with view ports, and angularly adjustable hot tapping system, along with a drill/saw system.
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