Wells – Packers or plugs – With expanding anchor
Patent
1997-10-03
2000-09-12
Bagnell, David
Wells
Packers or plugs
With expanding anchor
166123, 166181, 166237, E21B 2300
Patent
active
061163392
ABSTRACT:
A running/setting tool for packers is disclosed which can release in several different ways. The tool can be pumped through for normal release. The tool may be hydraulically released by dropping and pumping a ball to a seat and subsequent pressurizing. A frangible member is provided so that if circulation is impeded, it can be established by breaking the frangible member to allow a ball to be pumped to a seat. Finally, a shear release technique is provided which allows release by breaking a shear pin or shear ring or other frangible member, which unsupports collets to allow for removal. A support shoulder is provided on the tool to prevent the collets from becoming stressed on the trip out of the hole if the tool encounters a collar or other internal obstruction.
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Baker Oil Tools, Production Packers Technical Unit, Baker Size 49 Retrieva-D, Retrieva-DA Lok-Set Packers and Retrieving Tools, Product Nos. 646-16, 646-17, 646-18, 646-22 & 646-25, Dec. 1975, 1-3, 7, 14-20.
Caton Chris
Lorgen George Milne
Milne John Robert William
Bagnell David
Baker Hughes Incorporated
Kang Chi H.
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