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. 28, 2023

Filed:

Jul. 29, 2016
Applicant:

Baker Hughes Energy Technology Uk Ltd, Bristol, GB;

Inventors:

Robert Dalziel, Bristol, GB;

Ian Kent, North Somerset, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/04 (2006.01); E21B 43/01 (2006.01); E21B 33/035 (2006.01); F15B 13/08 (2006.01); F15B 20/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/0355 (2013.01); E21B 34/04 (2013.01); E21B 43/01 (2013.01); F15B 13/0807 (2013.01); F15B 20/00 (2013.01);
Abstract

A safety node for a hydrocarbon extraction facility control system, the node comprising: a hydraulic input; a hydraulic output; a directional control valve disposed between the hydraulic input and the hydraulic output; and a functional safety electronics module containing a logic solver in operable communication with the directional control valve; wherein the logic solver is configured to operate the directional control valve to permit hydraulic communication between the hydraulic input and the hydraulic output in response to the presence of a given condition and inhibit hydraulic communication between the hydraulic input and the hydraulic output in response to the absence of a given condition.


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