Lead the bit rotary steerable tool

United States of America Patent

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Jan 29, 2013
Grant Date
May 28, 2009
app pub date
Jan 30, 2009
filing date
Mar 23, 2006

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Abstract

A drilling assembly comprises a drill bit that includes a bit body intermediate a working face and a shank. An indenting member adapted to guide the drill bit protrudes from the working face. A flexible portion is disposed above the bit body.

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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
Hall, David R	Provo, US	1292	41532
Lundgreen, David	Provo, US	23	640
Turner, Paula	Pleasant Grove, US	40	1232
Woolston, Scott	Provo, US	13	150

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Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

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Lead the bit rotary steerable tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12362661

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PATENT NO	8360174
APP PUB NO	20090133936A1
SERIAL NO	12362661
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 29, 2013	US,8360174,B2 US8360174B2	GRANTED PATENT AS SECOND PUBLICATION
May 28, 2009	US,20090133936,A1 US20090133936A1	FIRST PUBLISHED PATENT APPLICATION

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12362661

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