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:
Nov. 12, 2019

Filed:

Nov. 05, 2014
Applicant:

M-i L.l.c., Houston, TX (US);

Inventors:

Shiva Phani Kapavarapu, Florence, KY (US);

Christopher Nicholson, Florence, KY (US);

Charles Patrick, Livingston, TX (US);

Assignee:

M-I L.L.C., Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/02 (2006.01); E21B 44/06 (2006.01); F04B 49/00 (2006.01); F17D 3/00 (2006.01); F16K 47/00 (2006.01); F16L 58/04 (2006.01);
U.S. Cl.
CPC ...
E21B 34/02 (2013.01);
Abstract

A fluid choke may include a housing and a shuttle configured to move within an interior chamber of the housing. The housing may have a fluid inlet channel and a fluid outlet channel. The shuttle may have a gate connected to an end of the shuttle and the gate may be configured to mate with a seat located in the housing at the fluid outlet channel. The shuttle may be moved within the interior chamber by a pressurized hydraulic fluid configured to apply a hydraulic pressure to a peripheral portion of the shuttle, an inner portion of the shuttle, and the gate.


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