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:
Dec. 12, 2017

Filed:

Aug. 03, 2016
Applicant:

Vetco Gray Controls Limited, Nailsea, Bristol, GB;

Inventors:

Raymond Phillips, Nailsea, GB;

Nicholas Josep Ellson, Nailsea, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2012.01); E21B 47/06 (2012.01); E21B 34/04 (2006.01); G01F 1/74 (2006.01); E21B 33/035 (2006.01); G01N 33/28 (2006.01);
U.S. Cl.
CPC ...
E21B 47/0001 (2013.01); G01F 1/74 (2013.01); G01N 33/2823 (2013.01);
Abstract

A christmas tree assembly for a subsea hydrocarbon extraction facility, the christmas tree assembly includes a fluid pipeline and a sensor assembly comprising a plurality of sensors configured to monitor a plurality of properties relating to hydrocarbon fluid flow through the fluid pipeline. The sensor assembly includes a differential pressure sensor that is disposed at one or more of across a choke, around a bend or restriction in the pipeline or a dedicated flow restrictor integrated within the pipeline, and a bulk density sensor that is disposed in one or more of a blind T, before or after a choke or in an upwards section of the flow pipeline.


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