PAUL A JAMES
Electrician in Spring, TX
License number
Texas 8782
Expiration Date
Apr 1, 2017
Category
Journeyman Electrician
Address
Address
PO Box 8706, Spring, TX 77387
Phone
(281) 364-8766
Professional information
Fluid Metering Device And Method For Well Tool
US Patent:
8157016, Apr 17, 2012
Filed:
Feb 23, 2009
Appl. No.:
12/390758
Inventors:
Paul G. James - Spring TX, US
Assignee:
Halliburton Energy Services, Inc. - Houston TX
International Classification:
E21B 34/10
US Classification:
166375, 166374, 166386, 166320
Abstract:
A method of actuating a well tool includes the steps of: increasing pressure in a fluid line of a fluid metering device; closing a pilot-operated valve in response to the pressure increasing step; and discharging a predetermined volume of fluid from the metering device in response to the pressure increasing and valve closing steps. A fluid metering device for a well tool includes a piston separating chambers; and a pilot-operated valve which selectively prevents fluid communication between the chambers in response to at least a predetermined pressure being applied to a fluid line of the metering device, and which permits fluid communication through the valve between the chambers in response to pressure in the fluid line being less than the predetermined pressure. A greater pressure may be applied to the fluid line to thereby bypass the metering device and allow fluid to discharge from the line.