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:
Mar. 28, 2017

Filed:

Sep. 03, 2014
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Joe E. Hess, Richmond, TX (US);

Andrew John Cuthbert, Spring, TX (US);

Ronald Wayne Courville, Richmond, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 17/10 (2006.01); E21B 33/038 (2006.01); E21B 33/064 (2006.01);
U.S. Cl.
CPC ...
E21B 17/01 (2013.01); E21B 17/1007 (2013.01); E21B 33/038 (2013.01); E21B 33/064 (2013.01);
Abstract

In a subsea drilling operation, a riser isolation tool may be installed inside a marine riser between the subsea wellhead and the rig floor to provide a conduit having a higher pressure rating than the original riser itself. In some embodiments, the riser isolation tool includes a tubular body and, extending therefrom, a seal stinger sized to be slidably received in a receptacle seated in the wellhead. Additional apparatus, systems, and methods are disclosed.


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