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:
Nov. 20, 2018
Filed:
Aug. 05, 2015
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventor:
Edward C. Gaude, Tomball, TX (US);
Assignee:
Cameron International Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/04 (2006.01); E21B 33/035 (2006.01); E21B 33/06 (2006.01); E21B 34/16 (2006.01);
U.S. Cl.
CPC ...
E21B 34/045 (2013.01); E21B 33/0355 (2013.01); E21B 33/06 (2013.01); E21B 34/16 (2013.01);
Abstract
A subsea drilling system that includes a blowout preventer (BOP) stack with accumulators. The drilling system also includes an intensifier that is cyclable to communicate an increased pressure to the accumulators than that provided by surface equipment so as to charge the accumulators with the increased pressure. The subsea drilling system also includes a control system locatable subsea that operates the intensifier to pump fluid into the accumulators.