Rotating control head leak detection systems

United States of America Patent

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May 3, 2011
Grant Date
Feb 17, 2011
app pub date
Oct 22, 2010
filing date
Oct 31, 2002

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Abstract

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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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bailey, Thomas F	Houston, US	116	6284
Chambers, James W	Hackett, US	51	1844

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Rotating control head leak detection systems

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United States of America Patent

12910374

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PATENT NO	7934545
APP PUB NO	20110036629A1
SERIAL NO	12910374
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 03, 2011	US,7934545,B2 US7934545B2	GRANTED PATENT AS SECOND PUBLICATION
February 17, 2011	US,20110036629,A1 US20110036629A1	FIRST PUBLISHED PATENT APPLICATION

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12910374

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