Invention Grant
- Patent Title: Mill-through tailpipe liner exit and method of use thereof
- Patent Title (中): 通孔式尾管衬管出口及其使用方法
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Application No.: US12635353Application Date: 2009-12-10
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Publication No.: US08256535B2Publication Date: 2012-09-04
- Inventor: David D. Hearn , Lamar L. Gantt , Howard Gober
- Applicant: David D. Hearn , Lamar L. Gantt , Howard Gober
- Applicant Address: US TX Houston
- Assignee: ConocoPhillips Company
- Current Assignee: ConocoPhillips Company
- Current Assignee Address: US TX Houston
- Agency: ConocoPhillips Company
- Main IPC: E21B7/04
- IPC: E21B7/04 ; E21B7/08
Abstract:
A method and apparatus for forming a window in the wall of a tubular wellbore. In one embodiment described herein, a down hole apparatus for forming a window in the wall of a wellbore utilizing a plurality of tubing string sections and a thick tailpipe positioned at the down hole end of a tubing section.
Public/Granted literature
- US20100147592A1 Mill-Through Tailpipe Liner Exit Public/Granted day:2010-06-17
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