Method for cooling a rotating control head

United States of America Patent

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Jan 15, 2013
Grant Date
Jun 7, 2012
app pub date
Feb 8, 2012
filing date
Oct 31, 2002

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Abstract

A system and method for reducing repairs to radial seals used in a rotating control head used while drilling is disclosed. Also, a system and method to detect leaks in the rotating control head and a latching system to latch the rotating control head to a housing is disclosed.

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Patent Owner(s)

Patent Owner	Address
WEATHERFORD TECHNOLOGY HOLDINGS LLC	2000 ST JAMES PLACE HOUSTON TX 77056

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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Inventor Name	Address	# of filed Patents	Total Citations
Bailey, Thomas F	Houston, US	116	12568
Chambers, James W	Hackett, US	51	3688
Gravouia, Mark F	Broussard, US	15	586
Hannegan, Don M	Fort Smith, US	39	4414

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Method for cooling a rotating control head

Number of patents in Portfolio can not be more than 2000

United States of America Patent

13368957

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PATENT NO	8353337
APP PUB NO	20120138366A1
SERIAL NO	13368957
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 15, 2013	US,8353337,B2 US8353337B2	GRANTED PATENT AS SECOND PUBLICATION
June 07, 2012	US,20120138366,A1 US20120138366A1	FIRST PUBLISHED PATENT APPLICATION

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13368957

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