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Reel/Frame:	018279/0119			Pages:	6
		Recorded:	09/18/2006
Attorney Dkt #:	10101634
Conveyance:	RELEASE OF PATENT SECURITY AGREEMENT

Total properties: 56

Patent #:	4893844	Issue Dt:	01/16/1990	Application #:	06771137	Filing Dt:	08/28/1985
Title:	TUBULAR COUPING WITH VENTABLE SEAL VENTABLE SEAL

Patent #:	4707001	Issue Dt:	11/17/1987	Application #:	06876712	Filing Dt:	06/20/1986
Title:	LINER CONNECTION

Patent #:	4928777	Issue Dt:	05/29/1990	Application #:	07120718	Filing Dt:	11/05/1987
Title:	CUTTING ELEMENTS FOR ROTARY DRILL BITS

Patent #:	4838068	Issue Dt:	06/13/1989	Application #:	07218839	Filing Dt:	07/14/1988
Title:	THREADED CONNECTION FOR PIPES AND METHOD OF FABRICATING SAME

Patent #:	4944538	Issue Dt:	07/31/1990	Application #:	07320476	Filing Dt:	03/08/1989
Title:	THREADED PIPE JOINT HAVING IMPROVED SEAL RING ENTRAPMENT

Patent #:	4946201	Issue Dt:	08/07/1990	Application #:	07320718	Filing Dt:	03/08/1989
Title:	OIL FIELD TUBULAR CONNECTION

Patent #:	5010225	Issue Dt:	04/23/1991	Application #:	07408074	Filing Dt:	09/15/1989
Title:	TOOL JOINT AND METHOD OF HARDSURFACING SAME

Patent #:	5066052	Issue Dt:	11/19/1991	Application #:	07470116	Filing Dt:	01/25/1990
Title:	THREADED PIPE JOINT HAVING IMPROVED SEAL RING ENTRAPMENT

Patent #:	5064224	Issue Dt:	11/12/1991	Application #:	07480804	Filing Dt:	02/16/1990
Title:	OIL FIELD TUBULAR CONNECTION

Patent #:	5092635	Issue Dt:	03/03/1992	Application #:	07516138	Filing Dt:	04/27/1990
Title:	THREAD FORM

Patent #:	5101906	Issue Dt:	04/07/1992	Application #:	07610301	Filing Dt:	11/05/1990
Title:	HORIZONTAL DRILLING OR COMPLETION METHOD

Patent #:	5147996	Issue Dt:	09/15/1992	Application #:	07687438	Filing Dt:	04/18/1991
Title:	TOOL JOINT AND METHOD OF HARDSURFACING SAME

Patent #:	5165491	Issue Dt:	11/24/1992	Application #:	07692620	Filing Dt:	04/29/1991
Title:	METHOD OF HORIZONTAL DRILLING

Patent #:	5148876	Issue Dt:	09/22/1992	Application #:	07712529	Filing Dt:	06/10/1991
Title:	LIGHTWEIGHT DRILL PIPE

Patent #:	5184495	Issue Dt:	02/09/1993	Application #:	07801969	Filing Dt:	12/03/1991
Title:	METHOD OF INTERNALLY AND EXTERNALLY UPSETTING THE END OF A METAL TUBE

Patent #:	5286069	Issue Dt:	02/15/1994	Application #:	07985832	Filing Dt:	12/03/1992
Title:	STRESS RELIEF GROOVE FOR DRILL PIPE

Patent #:	5355968	Issue Dt:	10/18/1994	Application #:	08064858	Filing Dt:	05/20/1993
Title:	TOOL JOINT STRESS RELIEF GROOVE

Patent #:	5433130	Issue Dt:	07/18/1995	Application #:	08122157	Filing Dt:	09/17/1993
Title:	SHOULDER DRESSING APPARATUS

Patent #:	5361846	Issue Dt:	11/08/1994	Application #:	08155011	Filing Dt:	11/19/1993
Title:	APPARATUS AND METHOD FOR ENHANCING FATIGUE PROPERTIES OF SUBTERRANEAN WELL DRILL PIPE IMMEDIATE THE AREA OF SECUREMENT TO A TOOL JOINT

Patent #:	5358285	Issue Dt:	10/25/1994	Application #:	08182211	Filing Dt:	01/13/1994
Title:	STRESS RELIEF GROOVE FOR DRILL PIPE

Patent #:	5479721	Issue Dt:	01/02/1996	Application #:	08220281	Filing Dt:	03/30/1994
Title:	METHOD AND APPARATUS FOR MEASURING THE LENGTH (MIU) OF THE INTERNAL TAPER OF AN INTERNALLY UPSET DRILL PIPE TUBE

Patent #:	5535837	Issue Dt:	07/16/1996	Application #:	08270247	Filing Dt:	07/05/1994
Title:	HELICAL STRESS RELIEF GROOVE APPARATUS AND METHOD FOR SUBTERRANEAN WELL DRILL PIPE ASSEMBLIES

Patent #:	5492375	Issue Dt:	02/20/1996	Application #:	08278419	Filing Dt:	07/21/1994
Title:	DRILL PIPE WITH IMPROVED CONNECTORS

Patent #:	5908212	Issue Dt:	06/01/1999	Application #:	08850658	Filing Dt:	05/02/1997
Title:	ULTRA HIGH TORQUE DOUBLE SHOULDER TOOL JOINT

Patent #:	5931511	Issue Dt:	08/03/1999	Application #:	08850735	Filing Dt:	05/02/1997
Title:	THREADED CONNECTION FOR ENHANCED FATIGUE RESISTANCE

Patent #:	6042153	Issue Dt:	03/28/2000	Application #:	09030459	Filing Dt:	02/25/1998
Title:	THREADED CONNECTION FOR INTERNALLY CLAD PIPE

Patent #:	6012744	Issue Dt:	01/11/2000	Application #:	09071253	Filing Dt:	05/01/1998
Title:	HEAVY WEIGHT DRILL PIPE

Patent #:	6273474	Issue Dt:	08/14/2001	Application #:	09256885	Filing Dt:	02/24/1999
Title:	THREADED CONNECTION FOR INTERNALLY CLAD PIPE

Patent #:	6244631	Issue Dt:	06/12/2001	Application #:	09260250	Filing Dt:	03/02/1999
Title:	HIGH EFFICIENCY DRILL PIPE

Patent #:	RE37167	Issue Dt:	05/08/2001	Application #:	09301388	Filing Dt:	04/27/1999
Title:	FATIGUE RESISTANT DRILL PIPE

Patent #:	6609735	Issue Dt:	08/26/2003	Application #:	09358205	Filing Dt:	07/21/1999
Title:	THREADED AND COUPLED CONNECTION FOR IMPROVED FATIGUE RESISTANCE

Patent #:	6367845	Issue Dt:	04/09/2002	Application #:	09436611	Filing Dt:	11/09/1999
Title:	CONTROL LINE COUPLING AND TUBULAR STRING-CONTROL LINE ASSEMBLY EMPLOYING SAME

Patent #:	6325278	Issue Dt:	12/04/2001	Application #:	09481619	Filing Dt:	01/12/2000
Title:	Concentric, insulated tubular conduits and method of assembly

Patent #:	6581980	Issue Dt:	06/24/2003	Application #:	09560854	Filing Dt:	04/28/2000
Title:	THREADED CONNECTION WITH HIGH COMPRESSIVE RATING

Patent #:	6447025	Issue Dt:	09/10/2002	Application #:	09569458	Filing Dt:	05/12/2000
Title:	OILFIELD TUBULAR CONNECTION

Patent #:	6516880	Issue Dt:	02/11/2003	Application #:	09675697	Filing Dt:	09/29/2000
Title:	SYSTEM, METHOD AND APPARATUS FOR DEPLOYING A DATA RESOURCE WITHIN A THREADED PIPE COUPLING

Patent #:	6467818	Issue Dt:	10/22/2002	Application #:	09676578	Filing Dt:	09/29/2000
Title:	DRILL COLLAR BOX

Patent #:	6811189	Issue Dt:	11/02/2004	Application #:	09679470	Filing Dt:	10/04/2000
Title:	CORROSION SEAL FOR THREADED CONNECTIONS

Patent #:	6406070	Issue Dt:	06/18/2002	Application #:	09706204	Filing Dt:	11/03/2000
Title:	CASING DRILLING CONNECTOR WITH LOW STRESS FLEX GROOVE

Patent #:	6863313	Issue Dt:	03/08/2005	Application #:	09894457	Filing Dt:	06/28/2001
Title:	THREADED CONNECTION FOR INTERNALLY CLAD PIPE

Patent #:	6520732	Issue Dt:	02/18/2003	Application #:	09912053	Filing Dt:	07/23/2001
Title:	CONCENTRIC, INSULATED TUBULAR CONDUITS AND METHOD OF ASSEMBLY

Patent #:	6712402	Issue Dt:	03/30/2004	Application #:	10248971	Filing Dt:	03/06/2003
Publication #:	US20030168851	Pub Dt:	09/11/2003
Title:	DOUBLE SHOULDER OILFIELD TUBULAR CONNECTION

Patent #:	6893057	Issue Dt:	05/17/2005	Application #:	10284632	Filing Dt:	10/31/2002
Publication #:	US20040084900	Pub Dt:	05/06/2004
Title:	THREADED PIPE CONNECTION

Patent #:	6811187	Issue Dt:	11/02/2004	Application #:	10314514	Filing Dt:	12/09/2002
Publication #:	US20030079874	Pub Dt:	05/01/2003
Title:	SYSTEM, METHOD AND APPARATUS FOR DEPLOYING A DATA RESOURCE WITHIN A THREADED PIPE COUPLING

Patent #:	6905149	Issue Dt:	06/14/2005	Application #:	10335823	Filing Dt:	01/02/2003
Publication #:	US20040130152	Pub Dt:	07/08/2004
Title:	PRESSURE RELIEVED THREAD CONNECTION

Patent #:	7207603	Issue Dt:	04/24/2007	Application #:	10385361	Filing Dt:	03/11/2003
Publication #:	US20040178626	Pub Dt:	09/16/2004
Title:	INSULATED TUBULAR ASSEMBLY

Patent #:	NONE	Issue Dt:		Application #:	10457773	Filing Dt:	06/10/2003
Publication #:	US20040251686	Pub Dt:	12/16/2004
Title:	Multi-taper and multi-pitch diameter API eight round thread coupling

Patent #:	NONE	Issue Dt:		Application #:	10605694	Filing Dt:	10/21/2003
Publication #:	US20050081964	Pub Dt:	04/21/2005
Title:	A Method Of Establishing Stress Relieving Procedures For Minimizing Sulfide Stress Cracking In Cold Worked Metals

Patent #:	7044216	Issue Dt:	05/16/2006	Application #:	10605910	Filing Dt:	11/05/2003
Publication #:	US20050092500	Pub Dt:	05/05/2005
Title:	LARGE DIAMETER FLUSH-JOINT PIPE HANDLING SYSTEM

Patent #:	NONE	Issue Dt:		Application #:	10707228	Filing Dt:	11/28/2003
Publication #:	US20050116468	Pub Dt:	06/02/2005
Title:	Threaded connectors for axial alignment of tubular components, and method of installing pipe sections employing such connectors

Patent #:	NONE	Issue Dt:		Application #:	10707231	Filing Dt:	11/28/2003
Publication #:	US20050115293	Pub Dt:	06/02/2005
Title:	Thread rolling tool

Patent #:	7146704	Issue Dt:	12/12/2006	Application #:	10709655	Filing Dt:	05/20/2004
Publication #:	US20050258640	Pub Dt:	11/24/2005
Title:	METHOD FOR COUPLING CONNECTORS USING AN ANTI-ROTATION DEVICE

Patent #:	NONE	Issue Dt:		Application #:	10711359	Filing Dt:	09/14/2004
Publication #:	US20050062288	Pub Dt:	03/24/2005
Title:	Thread Spacer

Patent #:	NONE	Issue Dt:		Application #:	10904013	Filing Dt:	10/19/2004
Publication #:	US20050087581	Pub Dt:	04/28/2005
Title:	Welding Alignment Device, and Methods of Using Same

Patent #:	7350830	Issue Dt:	04/01/2008	Application #:	11029055	Filing Dt:	01/03/2005
Title:	PRESSURE RELIEVED THREAD CONNECTION

Patent #:	7438329	Issue Dt:	10/21/2008	Application #:	11032972	Filing Dt:	01/11/2005
Publication #:	US20060152000	Pub Dt:	07/13/2006
Title:	METHODS AND CONNECTIONS FOR COUPLED PIPE

Assignor

WELLS FARGO BANK

Exec Dt:

08/31/2006

Assignee

GRANT PRIDECO, L.P.

1450 LAKE ROBBINS DRIVE

SUITE 600

HOUSTON, TEXAS 77380

Correspondence name and address
	JAN K. SIMPSON
	FULBRIGHT & JAWORSKI L.L.P..0
	FULBRIGHT TOWER
	1301 MCKINNEY, SUITE 5100
	HOUSTON, TX 77010-3095

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