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.:
Date of Patent:
Nov. 23, 2010
Filed:
Mar. 02, 2006
Applicants:
Thomas F. Bailey, Houston, TX (US);
James W. Chambers, Hackett, AR (US);
Don M. Hannegan, Fort Smith, AR (US);
Mark F. Gravouia, Broussard, LA (US);
Inventors:
Thomas F. Bailey, Houston, TX (US);
James W. Chambers, Hackett, AR (US);
Don M. Hannegan, Fort Smith, AR (US);
Mark F. Gravouia, Broussard, LA (US);
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for reducing wear to radial seals in a rotating control device. The seals may be cooled by a thermal transfer fluid circulating through a passageway making more than one pass. Also, the differential pressure between multiple seals may be regulated and lowered, thereby increasing seal life.