Downhole tool actuation

United States of America Patent

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Feb 12, 2013
Grant Date
Aug 26, 2010
app pub date
Feb 24, 2009
filing date
Feb 24, 2009

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Abstract

A downhole tool string component has at least one end adapted to connect to an adjacent tool sting component and a bore adapted to accommodate a flow of drilling fluid. A turbine is disposed within the bore and an actuating assembly is arranged such that a clutch may mechanically connect and disconnect with the turbine.

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Patent Owner(s)

Patent Owner	Address
SCHLUMBERGER TECHNOLOGY CORPORATION	300 SCHLUMBERGER DRIVE SUGAR LAND TX 77478

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dahlgren, Scott	Alpine, US	140	4073
Hall, David R	Provo, US	1292	20766
Marshall, Jonathan	Provo, US	61	803

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Downhole tool actuation

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United States of America Patent

12391376

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PATENT NO	8371400
APP PUB NO	20100212966A1
SERIAL NO	12391376
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 12, 2013	US,8371400,B2 US8371400B2	GRANTED PATENT AS SECOND PUBLICATION
August 26, 2010	US,20100212966,A1 US20100212966A1	FIRST PUBLISHED PATENT APPLICATION

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12391376

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