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 8714240 B1

PDF
Full Text
Expired
Date of Patent:
May. 06, 2014

Filed:

Jan. 14, 2013
Applicant:

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

Inventors:

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

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

Don M. Hannegan, Fort Smith, AR (US);

Mark F. Gravouia, Youngsville, 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 repairs to radial seals used in a rotating control head used while drilling is disclosed. Also, a system and method to detect leaks in the rotating control head and a latching system to latch the rotating control head to a housing is disclosed.


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