Wells – Processes – Placing or shifting well part
Patent
1989-02-27
1990-02-06
Neuder, William P.
Wells
Processes
Placing or shifting well part
166123, 166134, 294 8634, E21B 2308
Patent
active
048982458
ABSTRACT:
A retrievable packer arrangement that can be used as a permanent production packer employs a simple compression set packer which can be either mechanically, hydraulically or wireline explosively set and retrieved by coupled or coiled pipe or wireline.
The arrangement includes an adapter supported by the setting tool which surrounds an external seal surface on the upper end of an inner tubular member which seal surface is exposed after the packer arrangement is set in a well bore tubular member by release of the setting tool from the inner member and removal of the adapter therewith, so that a production string may then sealingly telescope over the inner member upper end.
An outer member includes release means adjacent its upper external end including an external grapple engaging surface means so that the packer arrangement can be released without engaging the packer or slips which secure the packer arrangement in the tubular member and without inserting any mechanism in the set packer arrangement.
The packer arrangement provides an unrestricted bore for well tools and flow from the well.
The invention also contemplates lowering a landing nipple into a well bore tubular member to a desired location and sealably anchoring it at that location by a retrievable packer, for subsequent removal by a grapple tool supported on pipe or a wireline.
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"TIW SS-R Retrievable Packer", Texas Iron Works, Inc. Catalog, p. 31, 1983.
"TIW SS Retrievable Packer", Texas Iron Works, Inc., Blue Print No. I-1016, dated 10/11/83.
1974-75, Composite Catalog of Oil Field Equipment and Services, pp. 394, 395, 404, 405, 408, 3924, 3925 and 3932.
Hayden Jack W.
Neuder William P.
Texas Iron Works, Inc.
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