Lateral wellbore junction having displaceable casing blocking me

Details Lateral wellbore junction having displaceable casing blocking me Lateral wellbore junction having displaceable casing blocking me

1998-03-24

2000-06-13

Neuder, William

Wells

Processes

Parallel string or multiple completion well

166 50, 1661176, E21B 4314

Patent

active

060736976

ABSTRACT:
A lateral wellbore junction is formed by methods and apparatus described herein. In one described embodiment, an apparatus includes a section of casing and a sleeve axially reciprocably disposed relative to an opening formed through a sidewall of the casing. In one described method, the casing section is positioned within a parent wellbore, the sleeve is shifted to provide access through the opening, and a lateral wellbore is drilled by passing cutting tools through the opening.

REFERENCES:
patent: 5462120 (1995-10-01), Gondouin
patent: 5520252 (1996-05-01), McNair
patent: 5566763 (1996-10-01), Williamson et al.
patent: 5735350 (1998-04-01), Longbottom et al.
patent: 5787987 (1998-08-01), Forsyth et al.
patent: 5803178 (1998-09-01), Cain
patent: 5927401 (1999-07-01), Morris et al.

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