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.

Patent No.:

US 7779903 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 24, 2010

Filed:

May. 06, 2005
Applicants:

Thomas F. Bailey, Houston, TX (US);

James W. Chambers, Hackett, AR (US);

Mark F. Gravouia, Houston, TX (US);

Inventors:

Thomas F. Bailey, Houston, TX (US);

James W. Chambers, Hackett, AR (US);

Mark F. Gravouia, Houston, TX (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A seal assembly for use with a rotating control head is provided. The seal assembly includes a rotatable member and a cavity formed between the rotatable member and a tubular radially inwardly disposed from the rotatable member. The cavity having a first surface and a second surface. The seal assembly further includes a seal member having a first end and a second end disposed between the first surface and the second surface of the cavity and sealable with the tubular between the first and the second ends due to deformation of the seal member.


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