Charles L Patrick

US Patent:

20160123099, May 5, 2016

Filed:

Nov 5, 2014

Appl. No.:

14/533639

Inventors:

- Houston TX, US
Christopher Nicholson - Florence KY, US
Charles Patrick - Livingston TX, US

International Classification:

E21B 21/10
E21B 21/08
E21B 34/02

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.