Retrievable well bore tubular member packer arrangement and method
CA 1281998 C · Owner: Braddick, Britt Oliver · Inventors: Braddick, Britt Oliver
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A retrievable packer arrangement that can be used as a permanent production packer employs a simple compression set packer (P) which can be either mechanically, hydraulically or wireline explosively set and retrieved by coupled or coiled pipe or wireline. The arrangement includes an adapter (A) supported by the setting tool (ST) which surrounds an external seal surface (19) on the upper end of an inner tubular member (I) which seal surface is exposed after the packer arrangement isset in a well bore tubular member (T) by release of the setting tool (ST) from the inner member (I) and removal of the adapter (A) therewith so that a production, string (PS) may then …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.