Invention Grant
- Patent Title: Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms
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Application No.: US15853613Application Date: 2017-12-22
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Publication No.: US10253587B2Publication Date: 2019-04-09
- Inventor: Harry McGraw , Leslie M. Bland , Daniel S. Bangert , Mark F. Gravouia , Rizal Masingkan
- Applicant: EPIC Applied Technologies, LLC
- Applicant Address: US TX The Woodlands
- Assignee: EPIC Applied Technologies, LLC
- Current Assignee: EPIC Applied Technologies, LLC
- Current Assignee Address: US TX The Woodlands
- Agent Brett A. North
- Main IPC: F16L41/06
- IPC: F16L41/06 ; E21B29/12 ; E21B29/10 ; B23B41/00 ; B23B47/28 ; E21B17/01 ; E02B17/00

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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