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:
Feb. 05, 2019
Filed:
Sep. 29, 2017
Applicant:
Noble Drilling Services Inc., Sugar Land, TX (US);
Inventors:
Hans H. J. Deul, Richmond, TX (US);
Patrick O'Neill, Houston, TX (US);
Assignee:
Noble Drilling Services Inc., Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 19/00 (2006.01); E21B 17/07 (2006.01); F16N 7/40 (2006.01);
U.S. Cl.
CPC ...
E21B 19/006 (2013.01); E21B 17/07 (2013.01); F16N 7/40 (2013.01);
Abstract
A fluid containment system for a riser slip joint includes a fluid container sealingly engaged to a fixed part of the slip joint. A movable part of the slip joint is axially movably engaged with the fixed part. An annular seal is disposed between the fixed part and the movable part. A body of fluid disposed in the fluid container has a level selected to submerge the annular seal and at least a portion of the movable part. The system includes means for maintaining a level of the body of fluid substantially constant.