The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 06, 2008

Filed:

Nov. 16, 2004
Applicants:

Neil Andrew Abercrombie Simpson, Aberdeen, GB;

Alexander Craig Mackay, Aberdeen, GB;

Inventors:
Assignee:

Weatherford/Lamb, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/01 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of forming a seal between two tubular members comprising providing a first tubular member having an internal surface and an external surface describing a first diameter, with a recess in the external surface at a seal portion of the first tubular member. A deformable circumferentially extending sealing member is located in the recess, the sealing member describes an external diameter no greater than the first diameter. The first tubular member is located within a second tubular member and the seal portion of the first tubular member is expanded such that the sealing member engages an inner surface of the second tubular member.


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