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:
Mar. 27, 2018
Filed:
Nov. 19, 2015
Applicant:
Dril-quip, Inc., Houston, TX (US);
Inventors:
Steven M. Hafernik, Houston, TX (US);
Fife B. Ellis, Houston, TX (US);
Assignee:
Dril-Quip, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 19/09 (2006.01); E21B 19/00 (2006.01); F15B 1/04 (2006.01);
U.S. Cl.
CPC ...
E21B 19/006 (2013.01); F15B 1/04 (2013.01);
Abstract
In accordance with embodiments of the present disclosure, a ram-style riser tensioner system includes a plurality of cylinders for applying a desired tension to a riser, a support structure coupled to the riser, and a plurality of gas accumulators. Each of the cylinders is coupled to the support structure, and each of the gas accumulators is configured to provide pressurized gas to a corresponding one of the cylinders. The ram-style riser tensioner also includes a plurality of support rods coupled to the support structure for reducing bending moments on the plurality of cylinders.