Self orienting lateral junction system

Details Self orienting lateral junction system Self orienting lateral junction system

2007-06-19

2007-06-19

Thompson, Kenneth (Department: 3672)

Wells

Processes

Parallel string or multiple completion well

C166S050000, C166S117600

Reexamination Certificate

active

10878795

ABSTRACT:
A self orienting liner hanger system including a bent sub, an indexing sub in operable communication with the bent sub, a hanger assembly in operable communication with the indexing sub, and a profile connected with the hanger assembly.Yet further disclosed herein is a method for constructing a junction between a primary borehole and a lateral borehole. The method includes installing a window sleeve at the junction, running a liner hanger into the sleeve, cycling an indexing sub of the hanger until a bent sub of the hanger exits the window, and running the hanger into engagement with the sleeve.

REFERENCES:
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patent: 5477925 (1995-12-01), Trahan et al.
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patent: 5944108 (1999-08-01), Baugh et al.
patent: 6209648 (2001-04-01), Ohmer et al.
patent: 6315054 (2001-11-01), Brunet
patent: 6547006 (2003-04-01), Kuck et al.
patent: 6848504 (2005-02-01), Brunet et al.
patent: 2002/0000319 (2002-01-01), Brunet
PCT International Search Report, dated Oct. 21, 2004.

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