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Reel/Frame:	051891/0089			Pages:	160
		Recorded:	12/18/2019
Attorney Dkt #:	1989.677
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 1547
Page 6 of 16
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

1

Patent #:	8141628	Issue Dt:	03/27/2012	Application #:	11967384	Filing Dt:	12/31/2007
Publication #:	US20090169319	Pub Dt:	07/02/2009
Title:	DOWNHOLE DEBURRING TOOL

2

Patent #:	7997345	Issue Dt:	08/16/2011	Application #:	11975554	Filing Dt:	10/19/2007
Publication #:	US20090101351	Pub Dt:	04/23/2009
Title:	UNIVERSAL MARINE DIVERTER CONVERTER

3

Patent #:	8286734	Issue Dt:	10/16/2012	Application #:	11975946	Filing Dt:	10/23/2007
Publication #:	US20090101411	Pub Dt:	04/23/2009
Title:	LOW PROFILE ROTATING CONTROL DEVICE

4

Patent #:	7658117	Issue Dt:	02/09/2010	Application #:	12017934	Filing Dt:	01/22/2008
Publication #:	US20080178686	Pub Dt:	07/31/2008
Title:	FLOW METER USING AN EXPANDED TUBE SECTION AND SENSITIVE DIFFERENTIAL PRESSURE MEASUREMENT

5

Patent #:	7529434	Issue Dt:	05/05/2009	Application #:	12021537	Filing Dt:	01/29/2008
Publication #:	US20080181554	Pub Dt:	07/31/2008
Title:	BRILLOUIN DISTRIBUTED TEMPERATURE SENSING CALIBRATED IN-SITU WITH RAMAN DISTRIBUTED TEMPERATURE SENSING

6

Patent #:	7874364	Issue Dt:	01/25/2011	Application #:	12023864	Filing Dt:	01/31/2008
Publication #:	US20090194285	Pub Dt:	08/06/2009
Title:	METHOD FOR JARRING WITH A DOWNHOLE PULLING TOOL

7

Patent #:	7881884	Issue Dt:	02/01/2011	Application #:	12025294	Filing Dt:	02/04/2008
Publication #:	US20080189057	Pub Dt:	08/07/2008
Title:	FLOWMETER ARRAY PROCESSING ALGORITHM WITH WIDE DYNAMIC RANGE

8

Patent #:	7520328	Issue Dt:	04/21/2009	Application #:	12026387	Filing Dt:	02/05/2008
Publication #:	US20080121396	Pub Dt:	05/29/2008
Title:	COMPLETION APPARATUS AND METHODS FOR USE IN HYDROCARBON WELLS

9

Patent #:	7654319	Issue Dt:	02/02/2010	Application #:	12027071	Filing Dt:	02/06/2008
Publication #:	US20080121392	Pub Dt:	05/29/2008
Title:	CLOSED LOOP MULTIPHASE UNDERBALANCED DRILLING PROCESS

10

Patent #:	7769252	Issue Dt:	08/03/2010	Application #:	12028401	Filing Dt:	02/08/2008
Publication #:	US20090202192	Pub Dt:	08/13/2009
Title:	LOCATION MARKER FOR DISTRIBUTED TEMPERATURE SENSING SYSTEMS

11

Patent #:	8286703	Issue Dt:	10/16/2012	Application #:	12030154	Filing Dt:	02/12/2008
Publication #:	US20080190605	Pub Dt:	08/14/2008
Title:	APPARATUS AND METHODS OF FLOW TESTING FORMATION ZONES

12

Patent #:	7755973	Issue Dt:	07/13/2010	Application #:	12034990	Filing Dt:	02/21/2008
Publication #:	US20090213689	Pub Dt:	08/27/2009
Title:	ULTRASONIC LOGGING METHODS AND APPARATUS FOR AUTOMATICALLY CALIBRATING MEASURES OF ACOUSTIC IMPEDANCE OF CEMENT AND OTHER MATERIALS BEHIND CASING

13

Patent #:	7607361	Issue Dt:	10/27/2009	Application #:	12035578	Filing Dt:	02/22/2008
Publication #:	US20090211369	Pub Dt:	08/27/2009
Title:	SONAR CIRCUMFERENTIAL FLOW CONDITIONER

14

Patent #:	7806202	Issue Dt:	10/05/2010	Application #:	12038715	Filing Dt:	02/27/2008
Publication #:	US20080210470	Pub Dt:	09/04/2008
Title:	SYSTEM AND METHOD FOR RESERVOIR CHARACTERIZATION USING UNDERBALANCED DRILLING DATA

15

Patent #:	9194227	Issue Dt:	11/24/2015	Application #:	12044087	Filing Dt:	03/07/2008
Publication #:	US20090223663	Pub Dt:	09/10/2009
Title:	SYSTEMS, ASSEMBLIES AND PROCESSES FOR CONTROLLING TOOLS IN A WELLBORE

16

Patent #:	7751677	Issue Dt:	07/06/2010	Application #:	12050655	Filing Dt:	03/18/2008
Publication #:	US20080166099	Pub Dt:	07/10/2008
Title:	OPTICAL FIBER FEEDTHROUGH USING AXIAL SEALS FOR BI-DIRECTIONAL SEALING

17

Patent #:	7836962	Issue Dt:	11/23/2010	Application #:	12058368	Filing Dt:	03/28/2008
Publication #:	US20090242211	Pub Dt:	10/01/2009
Title:	METHODS AND APPARATUS FOR A DOWNHOLE TOOL

18

Patent #:	7926593	Issue Dt:	04/19/2011	Application #:	12080170	Filing Dt:	03/31/2008
Publication #:	US20080210471	Pub Dt:	09/04/2008
Title:	ROTATING CONTROL DEVICE DOCKING STATION

19

Patent #:	8261836	Issue Dt:	09/11/2012	Application #:	12098264	Filing Dt:	04/04/2008
Publication #:	US20080245531	Pub Dt:	10/09/2008
Title:	DOWNHOLE DEPLOYMENT VALVES

20

Patent #:	8146682	Issue Dt:	04/03/2012	Application #:	12098341	Filing Dt:	04/04/2008
Publication #:	US20080245532	Pub Dt:	10/09/2008
Title:	APPARATUS AND METHODS OF MILLING A RESTRICTED CASING SHOE

21

Patent #:	8245774	Issue Dt:	08/21/2012	Application #:	12099659	Filing Dt:	04/08/2008
Publication #:	US20080185148	Pub Dt:	08/07/2008
Title:	WHIPSTOCK ASSEMBLY FOR FORMING A WINDOW WITHIN A WELLBORE CASING

22

Patent #:	10119377	Issue Dt:	11/06/2018	Application #:	12102687	Filing Dt:	04/14/2008
Publication #:	US20090223670	Pub Dt:	09/10/2009
Title:	SYSTEMS, ASSEMBLIES AND PROCESSES FOR CONTROLLING TOOLS IN A WELL BORE

23

Patent #:	9784057	Issue Dt:	10/10/2017	Application #:	12112092	Filing Dt:	04/30/2008
Publication #:	US20090272539	Pub Dt:	11/05/2009
Title:	Mechanical Bi-Directional Isolation Valve

24

Patent #:	7544929	Issue Dt:	06/09/2009	Application #:	12119685	Filing Dt:	05/13/2008
Title:	BOREHOLE IMAGING AND STANDOFF DETERMINATION USING NEUTRON MEASUREMENTS

25

Patent #:	7775291	Issue Dt:	08/17/2010	Application #:	12128790	Filing Dt:	05/29/2008
Publication #:	US20090294135	Pub Dt:	12/03/2009
Title:	RETRIEVABLE SURFACE CONTROLLED SUBSURFACE SAFETY VALVE

26

Patent #:	8100181	Issue Dt:	01/24/2012	Application #:	12128811	Filing Dt:	05/29/2008
Publication #:	US20090294136	Pub Dt:	12/03/2009
Title:	SURFACE CONTROLLED SUBSURFACE SAFETY VALVE HAVING INTEGRAL PACK-OFF

27

Patent #:	7646953	Issue Dt:	01/12/2010	Application #:	12139973	Filing Dt:	06/16/2008
Publication #:	US20080247718	Pub Dt:	10/09/2008
Title:	FIBER OPTIC CABLE SYSTEMS AND METHODS TO PREVENT HYDROGEN INGRESS

28

Patent #:	7805046	Issue Dt:	09/28/2010	Application #:	12145592	Filing Dt:	06/25/2008
Publication #:	US20090034920	Pub Dt:	02/05/2009
Title:	TERMINATION OF FIBER OPTIC CABLE

29

Patent #:	7798230	Issue Dt:	09/21/2010	Application #:	12154725	Filing Dt:	05/27/2008
Publication #:	US20090044939	Pub Dt:	02/19/2009
Title:	DOWNHOLE TOOL

30

Patent #:	8016033	Issue Dt:	09/13/2011	Application #:	12180121	Filing Dt:	07/25/2008
Publication #:	US20090025930	Pub Dt:	01/29/2009
Title:	CONTINUOUS FLOW DRILLING SYSTEMS AND METHODS

31

Patent #:	7997336	Issue Dt:	08/16/2011	Application #:	12184785	Filing Dt:	08/01/2008
Publication #:	US20100025047	Pub Dt:	02/04/2010
Title:	METHOD AND APPARATUS FOR RETRIEVING AN ASSEMBLY FROM A WELLBORE

32

Patent #:	7730968	Issue Dt:	06/08/2010	Application #:	12193917	Filing Dt:	08/19/2008
Publication #:	US20080302524	Pub Dt:	12/11/2008
Title:	APPARATUS FOR WELLBORE COMMUNICATION

33

Patent #:	7984763	Issue Dt:	07/26/2011	Application #:	12194349	Filing Dt:	08/19/2008
Publication #:	US20080302534	Pub Dt:	12/11/2008
Title:	FULL BORE LINED WELLBORES

34

Patent #:	10302811	Issue Dt:	05/28/2019	Application #:	12195810	Filing Dt:	08/21/2008
Publication #:	US20100049443	Pub Dt:	02/25/2010
Title:	DATA REDUCTION OF IMAGES MEASURED IN A BOREHOLE

35

Patent #:	8111963	Issue Dt:	02/07/2012	Application #:	12199584	Filing Dt:	08/27/2008
Publication #:	US20080317420	Pub Dt:	12/25/2008
Title:	LARGE DIAMETER OPTICAL WAVEGUIDE, GRATING AND LASER

36

Patent #:	7677304	Issue Dt:	03/16/2010	Application #:	12200463	Filing Dt:	08/28/2008
Publication #:	US20100051285	Pub Dt:	03/04/2010
Title:	PASSABLE NO-GO DEVICE FOR DOWNHOLE VALVE

37

Patent #:	8002037	Issue Dt:	08/23/2011	Application #:	12204333	Filing Dt:	09/04/2008
Publication #:	US20090218092	Pub Dt:	09/03/2009
Title:	DOWNHOLE CLEANING TOOL AND METHOD OF USE

38

Patent #:	7926577	Issue Dt:	04/19/2011	Application #:	12208157	Filing Dt:	09/10/2008
Publication #:	US20100059231	Pub Dt:	03/11/2010
Title:	METHODS AND APPARATUS FOR SUPPORTING TUBULARS

39

Patent #:	7634942	Issue Dt:	12/22/2009	Application #:	12208493	Filing Dt:	09/11/2008
Publication #:	US20090000794	Pub Dt:	01/01/2009
Title:	TUBING EXPANSION

40

Patent #:	8191570	Issue Dt:	06/05/2012	Application #:	12226577	Filing Dt:	10/22/2008
Publication #:	US20090230340	Pub Dt:	09/17/2009
Title:	BI-DIRECTIONAL FLAPPER VALVE

41

Patent #:	7861790	Issue Dt:	01/04/2011	Application #:	12234184	Filing Dt:	09/19/2008
Publication #:	US20090014183	Pub Dt:	01/15/2009
Title:	INJECTION VALVE AND METHOD

42

Patent #:	8324912	Issue Dt:	12/04/2012	Application #:	12236591	Filing Dt:	09/24/2008
Publication #:	US20090085583	Pub Dt:	04/02/2009
Title:	MEASUREMENT TOOL AND METHOD OF USE

43

Patent #:	7975572	Issue Dt:	07/12/2011	Application #:	12244341	Filing Dt:	10/02/2008
Publication #:	US20100083796	Pub Dt:	04/08/2010
Title:	METHODS AND APPARATUS FOR MAKE UP AND BREAK OUT OF TUBULAR CONNECTIONS

44

Patent #:	8083504	Issue Dt:	12/27/2011	Application #:	12244946	Filing Dt:	10/03/2008
Publication #:	US20090092510	Pub Dt:	04/09/2009
Title:	QUINTUPLEX MUD PUMP

45

Patent #:	7784553	Issue Dt:	08/31/2010	Application #:	12246938	Filing Dt:	10/07/2008
Publication #:	US20100084139	Pub Dt:	04/08/2010
Title:	DOWNHOLE WATERFLOOD REGULATOR

46

Patent #:	7980302	Issue Dt:	07/19/2011	Application #:	12250080	Filing Dt:	10/13/2008
Publication #:	US20100089592	Pub Dt:	04/15/2010
Title:	COMPLIANT EXPANSION SWAGE

47

Patent #:	7907807	Issue Dt:	03/15/2011	Application #:	12251334	Filing Dt:	10/14/2008
Publication #:	US20090310925	Pub Dt:	12/17/2009
Title:	PURE SILICA CORE, HIGH BIREFRINGENCE, SINGLE POLARIZATION OPTICAL WAVEGUIDE

48

Patent #:	8215687	Issue Dt:	07/10/2012	Application #:	12258357	Filing Dt:	10/24/2008
Publication #:	US20090110535	Pub Dt:	04/30/2009
Title:	REMOTELY OPERATED SINGLE JOINT ELEVATOR

49

Patent #:	7810560	Issue Dt:	10/12/2010	Application #:	12258780	Filing Dt:	10/27/2008
Publication #:	US20100101778	Pub Dt:	04/29/2010
Title:	EXPANSION JOINT WITH COMMUNICATION MEDIUM BYPASS

50

Patent #:	7810564	Issue Dt:	10/12/2010	Application #:	12261661	Filing Dt:	10/30/2008
Publication #:	US20100109906	Pub Dt:	05/06/2010
Title:	MEMORY LOGGING SYSTEM FOR DETERMINING THE CONDITION OF A SLIDING SLEEVE

51

Patent #:	7690432	Issue Dt:	04/06/2010	Application #:	12269232	Filing Dt:	11/12/2008
Publication #:	US20090065257	Pub Dt:	03/12/2009
Title:	APPARATUS AND METHODS FOR UTILIZING A DOWNHOLE DEPLOYMENT VALVE

52

Patent #:	8881843	Issue Dt:	11/11/2014	Application #:	12278692	Filing Dt:	05/21/2009
Publication #:	US20090236144	Pub Dt:	09/24/2009
Title:	MANAGED PRESSURE AND/OR TEMPERATURE DRILLING SYSTEM AND METHOD

53

Patent #:	7967540	Issue Dt:	06/28/2011	Application #:	12285305	Filing Dt:	10/01/2008
Publication #:	US20090185883	Pub Dt:	07/23/2009
Title:	VERTICAL OFFLINE STAND BUILDING AND MANIPULATING SYSTEM

54

Patent #:	8651178	Issue Dt:	02/18/2014	Application #:	12294078	Filing Dt:	06/15/2009
Publication #:	US20090308592	Pub Dt:	12/17/2009
Title:	PACKER

55

Patent #:	7992646	Issue Dt:	08/09/2011	Application #:	12318465	Filing Dt:	12/30/2008
Publication #:	US20100163247	Pub Dt:	07/01/2010
Title:	HORIZONTAL OFFLINE STAND BUILDING SYSTEM

56

Patent #:	8826988	Issue Dt:	09/09/2014	Application #:	12322860	Filing Dt:	02/06/2009
Publication #:	US20090139724	Pub Dt:	06/04/2009
Title:	LATCH POSITION INDICATOR SYSTEM AND METHOD

57

Patent #:	8210268	Issue Dt:	07/03/2012	Application #:	12334193	Filing Dt:	12/12/2008
Publication #:	US20090151934	Pub Dt:	06/18/2009
Title:	TOP DRIVE SYSTEM

58

Patent #:	8490448	Issue Dt:	07/23/2013	Application #:	12335623	Filing Dt:	12/16/2008
Publication #:	US20090097930	Pub Dt:	04/16/2009
Title:	REAMING APPARATUS

59

Patent #:	8281646	Issue Dt:	10/09/2012	Application #:	12335981	Filing Dt:	12/16/2008
Publication #:	US20090193889	Pub Dt:	08/06/2009
Title:	MEASUREMENT TOOL AND METHOD OF USE

60

Patent #:	8006752	Issue Dt:	08/30/2011	Application #:	12352464	Filing Dt:	01/12/2009
Publication #:	US20100175892	Pub Dt:	07/15/2010
Title:	GUIDE TUBE FOR CONTINUOUS ROD

61

Patent #:	8011431	Issue Dt:	09/06/2011	Application #:	12357556	Filing Dt:	01/22/2009
Publication #:	US20100181071	Pub Dt:	07/22/2010
Title:	PROCESS AND SYSTEM FOR CREATING ENHANCED CAVITATION

62

Patent #:	8002039	Issue Dt:	08/23/2011	Application #:	12365634	Filing Dt:	02/04/2009
Publication #:	US20090134352	Pub Dt:	05/28/2009
Title:	VALVE FOR CONTROLLING THE FLOW OF FLUID BETWEEN AN INTERIOR REGION OF THE VALVE AND AN EXTERIOR REGION OF THE VALVE

63

Patent #:	9010440	Issue Dt:	04/21/2015	Application #:	12369043	Filing Dt:	02/11/2009
Publication #:	US20100200242	Pub Dt:	08/12/2010
Title:	METHOD AND APPARATUS FOR CENTRIFUGAL SEPARATION

64

Patent #:	7806188	Issue Dt:	10/05/2010	Application #:	12369142	Filing Dt:	02/11/2009
Publication #:	US20090200020	Pub Dt:	08/13/2009
Title:	METHODS AND APPARATUS FOR OPTIMIZING WELL PRODUCTION

65

Patent #:	7967541	Issue Dt:	06/28/2011	Application #:	12385282	Filing Dt:	04/03/2009
Publication #:	US20090257848	Pub Dt:	10/15/2009
Title:	APPARATUS FOR HANDLING AND RACKING PIPES

66

Patent #:	8201636	Issue Dt:	06/19/2012	Application #:	12389090	Filing Dt:	02/19/2009
Publication #:	US20090205843	Pub Dt:	08/20/2009
Title:	EXPANDABLE PACKER

67

Patent #:	7963340	Issue Dt:	06/21/2011	Application #:	12390001	Filing Dt:	02/20/2009
Publication #:	US20090151958	Pub Dt:	06/18/2009
Title:	A METHOD FOR DISINTEGRATING A BARRIER IN A WELL ISOLATION DEVICE

68

Patent #:	7886819	Issue Dt:	02/15/2011	Application #:	12393741	Filing Dt:	02/26/2009
Publication #:	US20090159270	Pub Dt:	06/25/2009
Title:	SHUNT TUBE CONNECTOR LOCK

69

Patent #:	8083000	Issue Dt:	12/27/2011	Application #:	12393938	Filing Dt:	02/26/2009
Publication #:	US20090277652	Pub Dt:	11/12/2009
Title:	SWELLABLE PACKER HAVING A CABLE CONDUIT

70

Patent #:	8464800	Issue Dt:	06/18/2013	Application #:	12393960	Filing Dt:	02/26/2009
Publication #:	US20090211767	Pub Dt:	08/27/2009
Title:	EXPANDABLE MEMBER FOR DOWNHOLE TOOL

71

Patent #:	8636074	Issue Dt:	01/28/2014	Application #:	12393984	Filing Dt:	02/26/2009
Publication #:	US20090211770	Pub Dt:	08/27/2009
Title:	ELONGATED SEALING MEMBER FOR DOWNHOLE TOOL

72

Patent #:	7891237	Issue Dt:	02/22/2011	Application #:	12400852	Filing Dt:	03/10/2009
Publication #:	US20090232662	Pub Dt:	09/17/2009
Title:	METHOD FOR ESTIMATING PUMP EFFICIENCY

73

Patent #:	8303272	Issue Dt:	11/06/2012	Application #:	12402316	Filing Dt:	03/11/2009
Publication #:	US20100230091	Pub Dt:	09/16/2010
Title:	HYDRAULICALLY ACTUATED DOWNHOLE PUMP WITH GAS LOCK PREVENTION

74

Patent #:	8312932	Issue Dt:	11/20/2012	Application #:	12408527	Filing Dt:	03/20/2009
Publication #:	US20090294134	Pub Dt:	12/03/2009
Title:	CAPILLARY HANGER ARRANGEMENT FOR DEPLOYING CONTROL LINE IN EXISTING WELLHEAD

75

Patent #:	8069918	Issue Dt:	12/06/2011	Application #:	12409661	Filing Dt:	03/24/2009
Publication #:	US20100243232	Pub Dt:	09/30/2010
Title:	MAGNETIC SLIP RETENTION FOR DOWNHOLE TOOL

76

Patent #:	8186446	Issue Dt:	05/29/2012	Application #:	12411245	Filing Dt:	03/25/2009
Publication #:	US20100243270	Pub Dt:	09/30/2010
Title:	METHOD AND APPARATUS FOR A PACKER ASSEMBLY

77

Patent #:	9291044	Issue Dt:	03/22/2016	Application #:	12411338	Filing Dt:	03/25/2009
Publication #:	US20100243254	Pub Dt:	09/30/2010
Title:	METHOD AND APPARATUS FOR ISOLATING AND TREATING DISCRETE ZONES WITHIN A WELLBORE

78

Patent #:	7646674	Issue Dt:	01/12/2010	Application #:	12413027	Filing Dt:	03/27/2009
Publication #:	US20090185445	Pub Dt:	07/23/2009
Title:	BOREHOLE APPARATUS AND METHODS FOR SIMULTANEOUS MULTIMODE EXCITATION AND RECEPTION TO DETERMINE ELASTIC WAVE VELOCITIES, ELASTIC MODULII, DEGREE OF ANISOTROPY AND ELASTIC SYMMETRY CONFIGURATIONS

79

Patent #:	7755972	Issue Dt:	07/13/2010	Application #:	12413205	Filing Dt:	03/27/2009
Publication #:	US20090185447	Pub Dt:	07/23/2009
Title:	BOREHOLE APPARATUS AND METHODS FOR SIMULTANEOUS MULTIMODE EXCITATION AND RECEPTION TO DETERMINE ELASTIC WAVE VELOCITIES, ELASTIC MODULII, DEGREE OF ANISOTROPY AND ELASTIC SYMMETRY CONFIGURATIONS

80

Patent #:	8733447	Issue Dt:	05/27/2014	Application #:	12422199	Filing Dt:	04/10/2009
Publication #:	US20090255683	Pub Dt:	10/15/2009
Title:	LANDING STRING COMPENSATOR

81

Patent #:	8020625	Issue Dt:	09/20/2011	Application #:	12428839	Filing Dt:	04/23/2009
Publication #:	US20090266560	Pub Dt:	10/29/2009
Title:	MONOBORE CONSTRUCTION WITH DUAL EXPANDERS

82

Patent #:	8297347	Issue Dt:	10/30/2012	Application #:	12429706	Filing Dt:	04/24/2009
Publication #:	US20090266539	Pub Dt:	10/29/2009
Title:	METHOD OF CONTROLLING TORQUE APPLIED TO A TUBULAR CONNECTION

83

Patent #:	8141642	Issue Dt:	03/27/2012	Application #:	12435225	Filing Dt:	05/04/2009
Publication #:	US20100032162	Pub Dt:	02/11/2010
Title:	FILL UP AND CIRCULATION TOOL AND MUDSAVER VALVE

84

Patent #:	8365834	Issue Dt:	02/05/2013	Application #:	12435346	Filing Dt:	05/04/2009
Publication #:	US20090274545	Pub Dt:	11/05/2009
Title:	TUBULAR HANDLING APPARATUS

85

Patent #:	8286717	Issue Dt:	10/16/2012	Application #:	12436073	Filing Dt:	05/05/2009
Publication #:	US20090272544	Pub Dt:	11/05/2009
Title:	TOOLS AND METHODS FOR HANGING AND/OR EXPANDING LINER STRINGS

86

Patent #:	8991489	Issue Dt:	03/31/2015	Application #:	12436077	Filing Dt:	05/05/2009
Publication #:	US20090266544	Pub Dt:	10/29/2009
Title:	SIGNAL OPERATED TOOLS FOR MILLING, DRILLING, AND/OR FISHING OPERATIONS

87

Patent #:	10400579	Issue Dt:	09/03/2019	Application #:	12438979	Filing Dt:	02/26/2009
Publication #:	US20090210168	Pub Dt:	08/20/2009
Title:	OPTICAL DEVICE FOR MEASURING A PHYSICAL PARAMETER IN A HYDROGEN CONTAMINATED SENSING ZONE

88

Patent #:	8554024	Issue Dt:	10/08/2013	Application #:	12439031	Filing Dt:	02/26/2009
Publication #:	US20090263072	Pub Dt:	10/22/2009
Title:	TILTED GRATING SENSOR

89

Patent #:	8347983	Issue Dt:	01/08/2013	Application #:	12462266	Filing Dt:	07/31/2009
Publication #:	US20110024195	Pub Dt:	02/03/2011
Title:	DRILLING WITH A HIGH PRESSURE ROTATING CONTROL DEVICE

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Patent #:	8006771	Issue Dt:	08/30/2011	Application #:	12467103	Filing Dt:	05/15/2009
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Title:	METHODS FOR EXPANDING TUBULAR STRINGS AND ISOLATING SUBTERRANEAN ZONES

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Assignors

1

WEATHERFORD TECHNOLOGY HOLDINGS LLC

Exec Dt:

12/13/2019

2

WEATHERFORD NETHERLANDS B.V.

Exec Dt:

12/13/2019

3

WEATHERFORD NORGE AS

Exec Dt:

12/13/2019

4

HIGH PRESSURE INTEGRITY INC.

Exec Dt:

12/13/2019

5

PRECISION ENERGY SERVICES INC.

Exec Dt:

12/13/2019

6

WEATHERFORD CANADA LTD.

Exec Dt:

12/13/2019

7

WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH

Exec Dt:

12/13/2019

8

PRECISION ENERGY SERVICES ULC

Exec Dt:

12/13/2019

9

WEATHERFORD U.K. LIMITED

Exec Dt:

12/13/2019

Assignee

1

WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT

14241 DALLAS PARKWAY SUITE 1300

DALLAS, TEXAS 75254

Correspondence name and address
	NANCY J. BROUGHER, PARALEGAL
	C/O GOLDBERG KOHN LTD.
	55 EAST MONROE, SUITE 3300
	CHICAGO, IL 60603

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