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:
Jul. 03, 2018

Filed:

May. 20, 2016
Applicant:

Hydril Usa Distribution Llc, Houston, TX (US);

Inventor:

John Steven Holmes, Houston, TX (US);

Assignee:

Hydril USA Distribution LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/064 (2006.01); E21B 33/06 (2006.01); E21B 34/16 (2006.01); G01M 3/28 (2006.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 33/064 (2013.01); E21B 33/06 (2013.01); E21B 33/063 (2013.01); E21B 34/16 (2013.01); G01M 3/2876 (2013.01); E21B 47/06 (2013.01);
Abstract

A blowout preventer (BOP) safety system for testing the integrity of safety valves at the sea floor is disclosed. The system includes a BOP stack including a BOP, the BOP comprising a BOP shear ram and a first hydraulic circuit, the first hydraulic circuit in fluid communication with the BOP shear ram and having an open side and a close side. The system further includes a manifold, wherein the manifold is disposed proximate to and in fluid communication with a dump valve, a first sensor, and a supply valve and a first safety valve disposed between and in fluid communication with the manifold and the BOP on the close side, wherein the dump valve is operable to allow flow from the BOP to the manifold through the safety valve, and wherein the first sensor is operable to detect the flow from the BOP to the manifold.


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