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. 15, 2016

Filed:

Aug. 28, 2012
Applicants:

Henry Eugene Rogers, Duncan, OK (US);

David D. Szarka, Duncan, OK (US);

Nicolas Rogozinski, Duncan, OK (US);

Inventors:

Henry Eugene Rogers, Duncan, OK (US);

David D. Szarka, Duncan, OK (US);

Nicolas Rogozinski, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 19/00 (2006.01); E21B 41/00 (2006.01); E21B 21/00 (2006.01); E21B 17/01 (2006.01); E21B 19/16 (2006.01); E21B 33/035 (2006.01);
U.S. Cl.
CPC ...
E21B 19/002 (2013.01); E21B 17/01 (2013.01); E21B 19/16 (2013.01); E21B 21/001 (2013.01); E21B 33/035 (2013.01); E21B 41/0007 (2013.01);
Abstract

Disclosed are systems and methods of effectively wiping and displacing a deep water riser prior to disconnection from a blowout preventer. An exemplary riser displacement system includes a mandrel coupled to a work string, a seal containment canister arranged about at least a portion of the mandrel, and a seal assembly movable between an un-deployed configuration, where the seal assembly is arranged within the seal containment canister, and a deployed configuration, where the seal assembly is arranged outside of the seal containment canister, the seal assembly including a sleeve movably arranged about the mandrel and one or more sealing elements disposed at a distal end of the sleeve.


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