Wells – Wells with lateral conduits
Patent
1997-09-05
2000-01-11
Suchfield, George
Wells
Wells with lateral conduits
1661176, 175 80, 175 81, E21B 708
Patent
active
060125160
ABSTRACT:
An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and an upper section having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position. The casing section of the present invention includes a sleeve which can be moved between a first position in which access to the window opening of casing section is not affected and a second position in which the main casing is sealed from the liner section of a deviated wellbore to provide a hydraulic seal against passage of fluids from outside the casing of the wellbore into the main casing.
REFERENCES:
patent: 2338788 (1944-01-01), Walker
patent: 3710864 (1973-01-01), Mitchell
patent: 4763519 (1988-08-01), Comeau
patent: 4872708 (1989-10-01), Abreo
patent: 5115872 (1992-05-01), Brunet
patent: 5154231 (1992-10-01), Bailey et al.
patent: 5163521 (1992-11-01), Pustanyk
patent: 5293945 (1994-03-01), Rosenhauch
patent: 5311936 (1994-05-01), McNair
patent: 5318121 (1994-06-01), Brockman
patent: 5335737 (1994-08-01), Baugh
patent: 5341873 (1994-08-01), Carter et al.
patent: 5410303 (1995-04-01), Comeau
patent: 5425419 (1995-06-01), Sieber
patent: 5435392 (1995-07-01), Kennedy
patent: 5458209 (1995-10-01), Hayes
patent: 5472048 (1995-12-01), Kennedy
patent: 5484017 (1996-01-01), Coon
patent: 5579829 (1996-12-01), Comeau
patent: 5602541 (1997-02-01), Comeau
patent: 5615740 (1997-04-01), Comeau
patent: 5806600 (1998-09-01), Halford, Sr.
patent: 5829531 (1998-11-01), Hebert et al.
Jones Bennett
Schlumberger Technology Corporation
Suchfield George
LandOfFree
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