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Reel/Frame:	022231/0733			Pages:	14
		Recorded:	02/10/2009
Attorney Dkt #:	PESI_ASSIGNMT
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 71

Patent #:	5510582	Issue Dt:	04/23/1996	Application #:	08398979	Filing Dt:	03/06/1995
Title:	ACOUSTIC ATTENUATOR, WELL LOGGING APPARATUS AND METHOD OF WELL LOGGING

Patent #:	5726951	Issue Dt:	03/10/1998	Application #:	08430822	Filing Dt:	04/28/1995
Title:	STANDOFF COMPENSATION FOR ACOUSTIC LOGGING WHILE DRILLING SYSTEMS

Patent #:	5644186	Issue Dt:	07/01/1997	Application #:	08483112	Filing Dt:	06/07/1995
Title:	ACOUSTIC TRANSDUCER FOR LWD TOOL

Patent #:	5780784	Issue Dt:	07/14/1998	Application #:	08733367	Filing Dt:	10/17/1996
Title:	CANCELLATION OF TOOL MODE SIGNAL FROM COMBINED SIGNAL

Patent #:	6208585	Issue Dt:	03/27/2001	Application #:	09105344	Filing Dt:	06/26/1998
Title:	ACOUSTIC LWD TOOL HAVING RECEIVER CALIBRATION CAPABILITIES

Patent #:	6591195	Issue Dt:	07/08/2003	Application #:	10114416	Filing Dt:	04/02/2002
Publication #:	US20030004646	Pub Dt:	01/02/2003
Title:	METHOD OF AND APPARATUS FOR INDEPENDENTLY DETERMINING THE RESISTIVITY AND/OR DIELECTRIC CONSTANT OF AN EARTH FORMATION

Patent #:	6761232	Issue Dt:	07/13/2004	Application #:	10292301	Filing Dt:	11/11/2002
Publication #:	US20040089477	Pub Dt:	05/13/2004
Title:	SPRUNG MEMBER AND ACTUATOR FOR DOWNHOLE TOOLS

Patent #:	6894274	Issue Dt:	05/17/2005	Application #:	10317987	Filing Dt:	12/11/2002
Publication #:	US20040113061	Pub Dt:	06/17/2004
Title:	ESTIMATION OF FORMATION POROSITY USING WATER MEASUREMENT

Patent #:	6937023	Issue Dt:	08/30/2005	Application #:	10368257	Filing Dt:	02/18/2003
Publication #:	US20040160223	Pub Dt:	08/19/2004
Title:	PASSIVE RANGING TECHNIQUES IN BOREHOLE SURVEYING

Patent #:	7002484	Issue Dt:	02/21/2006	Application #:	10368742	Filing Dt:	02/18/2003
Publication #:	US20040073369	Pub Dt:	04/15/2004
Title:	SUPPLEMENTAL REFERENCING TECHNIQUES IN BOREHOLE SURVEYING

Patent #:	6882937	Issue Dt:	04/19/2005	Application #:	10369353	Filing Dt:	02/18/2003
Publication #:	US20040163443	Pub Dt:	08/26/2004
Title:	DOWNHOLE REFERENCING TECHNIQUES IN BOREHOLE SURVEYING

Patent #:	7009363	Issue Dt:	03/07/2006	Application #:	10397911	Filing Dt:	03/26/2003
Publication #:	US20040189249	Pub Dt:	09/30/2004
Title:	OPTIMIZED BATTERY LIFE IN MULTIPLE BATTERY APPLICATIONS

Patent #:	7388379	Issue Dt:	06/17/2008	Application #:	10427899	Filing Dt:	05/01/2003
Publication #:	US20040217763	Pub Dt:	11/04/2004
Title:	SERIES-RESONANT TUNING OF A DOWNHOLE LOOP ANTENNA

Patent #:	7462967	Issue Dt:	12/09/2008	Application #:	10529188	Filing Dt:	03/24/2005
Publication #:	US20060163955	Pub Dt:	07/27/2006
Title:	FLAT HOLLOW BRUSHLESS SERVO MOTOR WITH TOOL MOUNTING HOLE

Patent #:	7712519	Issue Dt:	05/11/2010	Application #:	10536124	Filing Dt:	08/25/2006
Publication #:	US20090173504	Pub Dt:	07/09/2009
Title:	TRANSVERSE MAGNETIZATION OF CASING STRING TUBULARS

Patent #:	7075215	Issue Dt:	07/11/2006	Application #:	10613268	Filing Dt:	07/03/2003
Publication #:	US20050002276	Pub Dt:	01/06/2005
Title:	MATCHING LAYER ASSEMBLY FOR A DOWNHOLE ACOUSTIC SENSOR

Patent #:	6995500	Issue Dt:	02/07/2006	Application #:	10613375	Filing Dt:	07/03/2003
Publication #:	US20050001517	Pub Dt:	01/06/2005
Title:	COMPOSITE BACKING LAYER FOR A DOWNHOLE ACOUSTIC SENSOR

Patent #:	7036363	Issue Dt:	05/02/2006	Application #:	10613610	Filing Dt:	07/03/2003
Publication #:	US20050000279	Pub Dt:	01/06/2005
Title:	ACOUSTIC SENSOR FOR DOWNHOLE MEASUREMENT TOOL

Patent #:	7083009	Issue Dt:	08/01/2006	Application #:	10633853	Filing Dt:	08/04/2003
Publication #:	US20050028973	Pub Dt:	02/10/2005
Title:	PRESSURE CONTROLLED FLUID SAMPLING APPARATUS AND METHOD

Patent #:	6892137	Issue Dt:	05/10/2005	Application #:	10655290	Filing Dt:	09/04/2003
Publication #:	US20040220741	Pub Dt:	11/04/2004
Title:	ADJUSTMENT FOR FREQUENCY DISPERSION EFFECTS IN ELECTROMAGNETIC LOGGING DATA

Patent #:	7171310	Issue Dt:	01/30/2007	Application #:	10673843	Filing Dt:	09/29/2003
Publication #:	US20040073371	Pub Dt:	04/15/2004
Title:	METHOD OF ESTIMATING ELECTRICAL PARAMETERS OF AN EARTH FORMATION WITH A SIMPLIFIED MEASUREMENT DEVICE MODEL

Patent #:	6985814	Issue Dt:	01/10/2006	Application #:	10705562	Filing Dt:	11/11/2003
Publication #:	US20040249573	Pub Dt:	12/09/2004
Title:	WELL TWINNING TECHNIQUES IN BOREHOLE SURVEYING

Patent #:	7074064	Issue Dt:	07/11/2006	Application #:	10761695	Filing Dt:	01/21/2004
Publication #:	US20050016769	Pub Dt:	01/27/2005
Title:	ELECTRICAL CONNECTOR USEFUL IN WET ENVIRONMENTS

Patent #:	7039524	Issue Dt:	05/02/2006	Application #:	10783426	Filing Dt:	02/20/2004
Publication #:	US20050185510	Pub Dt:	08/25/2005
Title:	SHEAR WAVE VELOCITY DETERMINATION USING MULTI-POLE WAVE

Patent #:	7027926	Issue Dt:	04/11/2006	Application #:	10827134	Filing Dt:	04/19/2004
Publication #:	US20050234647	Pub Dt:	10/20/2005
Title:	ENHANCED MEASUREMENT OF AZIMUTHAL DEPENDENCE OF SUBTERRANEAN PARAMETERS

Patent #:	7080460	Issue Dt:	07/25/2006	Application #:	10862558	Filing Dt:	06/07/2004
Publication #:	US20050268476	Pub Dt:	12/08/2005
Title:	DETERMINING A BOREHOLE AZIMUTH FROM TOOL FACE MEASUREMENTS

Patent #:	7243719	Issue Dt:	07/17/2007	Application #:	10862739	Filing Dt:	06/07/2004
Publication #:	US20050269082	Pub Dt:	12/08/2005
Title:	CONTROL METHOD FOR DOWNHOLE STEERING TOOL

Patent #:	7260477	Issue Dt:	08/21/2007	Application #:	10871205	Filing Dt:	06/18/2004
Publication #:	US20050283315	Pub Dt:	12/22/2005
Title:	ESTIMATION OF BOREHOLE GEOMETRY PARAMETERS AND LATERAL TOOL DISPLACEMENTS

Patent #:	7104345	Issue Dt:	09/12/2006	Application #:	10873606	Filing Dt:	06/22/2004
Publication #:	US20050279513	Pub Dt:	12/22/2005
Title:	DOWNHOLE ROTATABLE-SHAFT CONNECTOR ASSEMBLY AND METHOD

Patent #:	7245229	Issue Dt:	07/17/2007	Application #:	10882789	Filing Dt:	07/01/2004
Publication #:	US20050001737	Pub Dt:	01/06/2005
Title:	DRILL STRING ROTATION ENCODING

Patent #:	7103982	Issue Dt:	09/12/2006	Application #:	10984082	Filing Dt:	11/09/2004
Publication #:	US20060096105	Pub Dt:	05/11/2006
Title:	DETERMINATION OF BOREHOLE AZIMUTH AND THE AZIMUTHAL DEPENDENCE OF BOREHOLE PARAMETERS

Patent #:	7243740	Issue Dt:	07/17/2007	Application #:	10984466	Filing Dt:	11/09/2004
Publication #:	US20050121233	Pub Dt:	06/09/2005
Title:	FILTER ASSEMBLY HAVING A BYPASS PASSAGEWAY AND METHOD

Patent #:	7204325	Issue Dt:	04/17/2007	Application #:	11061339	Filing Dt:	02/18/2005
Publication #:	US20060185902	Pub Dt:	08/24/2006
Title:	SPRING MECHANISM FOR DOWNHOLE STEERING TOOL BLADES

Patent #:	7222681	Issue Dt:	05/29/2007	Application #:	11062299	Filing Dt:	02/18/2005
Publication #:	US20060185900	Pub Dt:	08/24/2006
Title:	PROGRAMMING METHOD FOR CONTROLLING A DOWNHOLE STEERING TOOL

Patent #:	7385400	Issue Dt:	06/10/2008	Application #:	11069066	Filing Dt:	03/01/2005
Publication #:	US20050189946	Pub Dt:	09/01/2005
Title:	AZIMUTHALLY SENSITIVE RECEIVER ARRAY FOR AN ELECTROMAGNETIC MEASUREMENT TOOL

Patent #:	7327145	Issue Dt:	02/05/2008	Application #:	11069158	Filing Dt:	03/01/2005
Publication #:	US20050189947	Pub Dt:	09/01/2005
Title:	AZIMUTHALLY FOCUSED ELECTROMAGNETIC MEASUREMENT TOOL

Patent #:	7003401	Issue Dt:	02/21/2006	Application #:	11080169	Filing Dt:	03/15/2005
Publication #:	US20050159895	Pub Dt:	07/21/2005
Title:	ADJUSTMENT FOR FREQUENCY DISPERSION EFFECTS IN ELECTROMAGNETIC LOGGING DATA

Patent #:	7436184	Issue Dt:	10/14/2008	Application #:	11080777	Filing Dt:	03/15/2005
Publication #:	US20060208738	Pub Dt:	09/21/2006
Title:	WELL LOGGING APPARATUS FOR OBTAINING AZIMUTHALLY SENSITIVE FORMATION RESISTIVITY MEASUREMENTS

Patent #:	7518949	Issue Dt:	04/14/2009	Application #:	11145441	Filing Dt:	06/03/2005
Publication #:	US20060285439	Pub Dt:	12/21/2006
Title:	SHEAR WAVE VELOCITY DETERMINATION USING EVANESCENT SHEAR WAVE ARRIVALS

Patent #:	7383897	Issue Dt:	06/10/2008	Application #:	11155165	Filing Dt:	06/17/2005
Publication #:	US20060283635	Pub Dt:	12/21/2006
Title:	DOWNHOLE STEERING TOOL HAVING A NON-ROTATING BENDABLE SECTION

Patent #:	7414405	Issue Dt:	08/19/2008	Application #:	11195287	Filing Dt:	08/02/2005
Publication #:	US20070030007	Pub Dt:	02/08/2007
Title:	MEASUREMENT TOOL FOR OBTAINING TOOL FACE ON A ROTATING DRILL COLLAR

Patent #:	7089118	Issue Dt:	08/08/2006	Application #:	11287524	Filing Dt:	11/23/2005
Publication #:	US20060106542	Pub Dt:	05/18/2006
Title:	SHEAR WAVE VELOCITY DETERMINATION USING CIRCUMFERENTIALLY ALIGNED TRANSMITTER AND RECEIVER ELEMENTS

Patent #:	7656161	Issue Dt:	02/02/2010	Application #:	11301762	Filing Dt:	12/13/2005
Publication #:	US20060131013	Pub Dt:	06/22/2006
Title:	MAGNETIZATION OF TARGET WELL CASING STRINGS TUBULARS FOR ENHANCED PASSIVE RANGING

Patent #:	7260479	Issue Dt:	08/21/2007	Application #:	11343543	Filing Dt:	01/31/2006
Publication #:	US20060173626	Pub Dt:	08/03/2006
Title:	METHOD FOR LOCATING CASING JOINTS USING MEASUREMENT WHILE DRILLING TOOL

Patent #:	7403857	Issue Dt:	07/22/2008	Application #:	11384751	Filing Dt:	03/20/2006
Publication #:	US20060173627	Pub Dt:	08/03/2006
Title:	ENHANCED MEASUREMENT OF AZIMUTHAL DEPENDENCE OF SUBTERRANEAN PARAMETERS WITH FILTERS AND/OR DISCRETELY SAMPLED DATA

Patent #:	NONE	Issue Dt:		Application #:	11384969	Filing Dt:	03/20/2006
Publication #:	US20070223822	Pub Dt:	09/27/2007
Title:	Data compression method used in downhole applications

Patent #:	7513147	Issue Dt:	04/07/2009	Application #:	11390585	Filing Dt:	03/28/2006
Publication #:	US20060185430	Pub Dt:	08/24/2006
Title:	PIEZOCOMPOSITE TRANSDUCER FOR A DOWNHOLE MEASUREMENT TOOL

Patent #:	7482812	Issue Dt:	01/27/2009	Application #:	11405378	Filing Dt:	04/17/2006
Publication #:	US20060181281	Pub Dt:	08/17/2006
Title:	SERIES-RESONANT TUNING OF AN LWD RECEIVER

Patent #:	7489591	Issue Dt:	02/10/2009	Application #:	11417386	Filing Dt:	05/04/2006
Publication #:	US20060250893	Pub Dt:	11/09/2006
Title:	DRILLING FLUID PRESSURE PULSE DETECTION USING A DIFFERENTIAL TRANSDUCER

Patent #:	7571643	Issue Dt:	08/11/2009	Application #:	11454019	Filing Dt:	06/15/2006
Publication #:	US20070289373	Pub Dt:	12/20/2007
Title:	APPARATUS AND METHOD FOR DOWNHOLE DYNAMICS MEASUREMENTS

Patent #:	7143521	Issue Dt:	12/05/2006	Application #:	11479463	Filing Dt:	06/30/2006
Publication #:	US20060248735	Pub Dt:	11/09/2006
Title:	DETERMINATION OF BOREHOLE AZIMUTH AND THE AZIMUTHAL DEPENDENCE OF BOREHOLE PARAMETERS

Patent #:	7538650	Issue Dt:	05/26/2009	Application #:	11487904	Filing Dt:	07/17/2006
Publication #:	US20080012672	Pub Dt:	01/17/2008
Title:	APPARATUS AND METHOD FOR MAGNETIZING CASING STRING TUBULARS

Patent #:	7615712	Issue Dt:	11/10/2009	Application #:	11590229	Filing Dt:	10/31/2006
Publication #:	US20080112143	Pub Dt:	05/15/2008
Title:	INTEGRATED CIRCUIT PACKAGES INCLUDING DAMMING AND CHARGE PROTECTION COVER FOR HARSH ENVIRONMENTS

Patent #:	7464770	Issue Dt:	12/16/2008	Application #:	11595054	Filing Dt:	11/09/2006
Publication #:	US20080110674	Pub Dt:	05/15/2008
Title:	CLOSED-LOOP CONTROL OF HYDRAULIC PRESSURE IN A DOWNHOLE STEERING TOOL

Patent #:	7587936	Issue Dt:	09/15/2009	Application #:	11701260	Filing Dt:	02/01/2007
Publication #:	US20080186805	Pub Dt:	08/07/2008
Title:	APPARATUS AND METHOD FOR DETERMINING DRILLING FLUID ACOUSTIC PROPERTIES

Patent #:	7377333	Issue Dt:	05/27/2008	Application #:	11714966	Filing Dt:	03/07/2007
Title:	LINEAR POSITION SENSOR FOR DOWNHOLE TOOLS AND METHOD OF USE

Patent #:	7617049	Issue Dt:	11/10/2009	Application #:	11799906	Filing Dt:	05/03/2007
Publication #:	US20080177475	Pub Dt:	07/24/2008
Title:	DISTANCE DETERMINATION FROM A MAGNETICALLY PATTERNED TARGET WELL

Patent #:	7584788	Issue Dt:	09/08/2009	Application #:	11805171	Filing Dt:	05/22/2007
Publication #:	US20070221375	Pub Dt:	09/27/2007
Title:	CONTROL METHOD FOR DOWNHOLE STEERING TOOL

Patent #:	7725263	Issue Dt:	05/25/2010	Application #:	11805213	Filing Dt:	05/22/2007
Publication #:	US20080294343	Pub Dt:	11/27/2008
Title:	GRAVITY AZIMUTH MEASUREMENT AT A NON-ROTATING HOUSING

Patent #:	8497685	Issue Dt:	07/30/2013	Application #:	11805230	Filing Dt:	05/22/2007
Publication #:	US20080294344	Pub Dt:	11/27/2008
Title:	ANGULAR POSITION SENSOR FOR A DOWNHOLE TOOL

Patent #:	7558675	Issue Dt:	07/07/2009	Application #:	11881043	Filing Dt:	07/25/2007
Publication #:	US20090030616	Pub Dt:	01/29/2009
Title:	PROBABLISTIC IMAGING WITH AZIMUTHALLY SENSITIVE MWD/LWD SENSORS

Patent #:	8102276	Issue Dt:	01/24/2012	Application #:	11897597	Filing Dt:	08/31/2007
Publication #:	US20090058675	Pub Dt:	03/05/2009
Title:	NON-CONTACT CAPACITIVE DATALINK FOR A DOWNHOLE ASSEMBLY

Patent #:	8024121	Issue Dt:	09/20/2011	Application #:	12011422	Filing Dt:	01/25/2008
Publication #:	US20090192711	Pub Dt:	07/30/2009
Title:	DATA COMPRESSION METHOD FOR USE IN DOWNHOLE APPLICATIONS

Patent #:	7681665	Issue Dt:	03/23/2010	Application #:	12074442	Filing Dt:	03/04/2008
Publication #:	US20090223716	Pub Dt:	09/10/2009
Title:	DOWNHOLE HYDRAULIC CONTROL SYSTEM

Patent #:	7878272	Issue Dt:	02/01/2011	Application #:	12074444	Filing Dt:	03/04/2008
Publication #:	US20090223717	Pub Dt:	09/10/2009
Title:	FORCED BALANCED SYSTEM

Patent #:	8788206	Issue Dt:	07/22/2014	Application #:	12148890	Filing Dt:	04/23/2008
Publication #:	US20090190850	Pub Dt:	07/30/2009
Title:	DATA COMPRESSION TRANSFORMS FOR USE IN DOWNHOLE APPLICATIONS

Patent #:	8010290	Issue Dt:	08/30/2011	Application #:	12150997	Filing Dt:	05/02/2008
Publication #:	US20080275648	Pub Dt:	11/06/2008
Title:	METHOD OF OPTIMIZING A WELL PATH DURING DRILLING

Patent #:	7557582	Issue Dt:	07/07/2009	Application #:	12220348	Filing Dt:	07/24/2008
Publication #:	US20080284440	Pub Dt:	11/20/2008
Title:	LOGGING WHILE DRILLING TOOL FOR OBTAINING AZIMUTHALLY SENSITIVE FORMATION RESISTIVITY MEASUREMENTS

Patent #:	7950473	Issue Dt:	05/31/2011	Application #:	12276485	Filing Dt:	11/24/2008
Publication #:	US20100126770	Pub Dt:	05/27/2010
Title:	NON-AZIMUTHAL AND AZIMUTHAL FORMATION EVALUATION MEASUREMENT IN A SLOWLY ROTATING HOUSING

Patent #:	7967081	Issue Dt:	06/28/2011	Application #:	12332911	Filing Dt:	12/11/2008
Publication #:	US20090090554	Pub Dt:	04/09/2009
Title:	CLOSED-LOOP PHYSICAL CALIPER MEASUREMENTS AND DIRECTIONAL DRILLING METHOD

Patent #:	8117907	Issue Dt:	02/21/2012	Application #:	12339229	Filing Dt:	12/19/2008
Publication #:	US20100154531	Pub Dt:	06/24/2010
Title:	CALIPER LOGGING USING CIRCUMFERENTIALLY SPACED AND/OR ANGLED TRANSDUCER ELEMENTS

Assignor

PATHFINDER ENERGY SERVICES, INC.

Exec Dt:

08/25/2008

Assignee

SMITH INTERNATIONAL, INC.

16740 HARDY ST.

HOUSTON, TEXAS 77032

Correspondence name and address
	MATTHEW STEINHEIDER
	15151 SOMMERMEYER ST.
	PATHFINDER ENERGY SERVICES, INC.
	HOUSTON, TX 77041

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