PURGING FLUID CIRCUITS IN WELLBORE CONTROL DEVICES

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20140262326A1
SERIAL NO

14216592

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The disclosure relates to purging a RCD including a bearing of contaminants with a fluid circuit, the fluid circuit having at least one housing adjacent to the RCD, a first plurality of valves within the bearing, a second plurality of valves within the housing, at least one inlet port located on the RCD, each inlet port being connected to the housing, at least one outlet port located on the RCD, each outlet port being connected to the housing, and a purge outlet in fluid communication with the fluid circuit.

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Patent Owner(s)

Patent OwnerAddress
WEATHERFORD TECHNOLOGY HOLDINGS LLC2000 ST JAMES PLACE HOUSTON TX 77056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bailey, Thomas F Abilene, US 116 6284
Chambers, James W Houston, US 51 1844
Gray, Kevin L Houston, US 28 1127

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