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Reel/Frame:	051419/0140			Pages:	159
		Recorded:	12/26/2019
Attorney Dkt #:	022537/0288
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 1545
Page 1 of 16
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

1

Patent #:	6982996	Issue Dt:	01/03/2006	Application #:	09455868	Filing Dt:	12/06/1999
Title:	LARGE DIAMETER OPTICAL WAVEGUIDE, GRATING, AND LASER

2

Patent #:	6452667	Issue Dt:	09/17/2002	Application #:	09456113	Filing Dt:	12/06/1999
Title:	PRESSURE-ISOLATED BRAGG GRATING TEMPERATURE SENSOR

3

Patent #:	6349771	Issue Dt:	02/26/2002	Application #:	09459684	Filing Dt:	12/13/1999
Title:	FLOW ACTUATED SHUT-OFF VALVE

4

Patent #:	6702029	Issue Dt:	03/09/2004	Application #:	09469526	Filing Dt:	12/22/1999
Publication #:	US20020166668	Pub Dt:	11/14/2002
Title:	TUBING ANCHOR

5

Patent #:	6425444	Issue Dt:	07/30/2002	Application #:	09470154	Filing Dt:	12/22/1999
Publication #:	US20020060079	Pub Dt:	05/23/2002
Title:	METHOD AND APPARATUS FOR DOWNHOLE SEALING

6

Patent #:	6352111	Issue Dt:	03/05/2002	Application #:	09480245	Filing Dt:	01/11/2000
Title:	FILTER FOR SUBTERRANEAN WELLS

7

Patent #:	6354372	Issue Dt:	03/12/2002	Application #:	09482502	Filing Dt:	01/13/2000
Title:	Subterranean Well Tool and Slip Assembly

8

Patent #:	6250406	Issue Dt:	06/26/2001	Application #:	09483338	Filing Dt:	01/14/2000
Title:	Connection arrangement for a two-piece annular body

9

Patent #:	6722435	Issue Dt:	04/20/2004	Application #:	09483437	Filing Dt:	01/14/2000
Publication #:	US20020060074	Pub Dt:	05/23/2002
Title:	WINDOW FORMING BY FLAME CUTTING

10

Patent #:	6414303	Issue Dt:	07/02/2002	Application #:	09487155	Filing Dt:	01/19/2000
Title:	HIGH ACCURACY BRAGG GRATING BASED PRESSURE SENSOR WITH DUAL RESOLUTION MODE

11

Patent #:	6397946	Issue Dt:	06/04/2002	Application #:	09487197	Filing Dt:	01/19/2000
Title:	CLOSED-LOOP SYSTEM TO COMPLETE OIL AND GAS WELLS

12

Patent #:	6290003	Issue Dt:	09/18/2001	Application #:	09494110	Filing Dt:	01/28/2000
Title:	Controllable stabilizer

13

Patent #:	6626043	Issue Dt:	09/30/2003	Application #:	09494417	Filing Dt:	01/31/2000
Title:	FLUID DIFFUSION RESISTANT GLASS-ENCASED FIBER OPTIC SENSOR

14

Patent #:	6496625	Issue Dt:	12/17/2002	Application #:	09497236	Filing Dt:	02/03/2000
Title:	TRANSMISSION CABLE OPTICAL FIBER PROTECTOR AND METHOD

15

Patent #:	6338579	Issue Dt:	01/15/2002	Application #:	09497237	Filing Dt:	02/03/2000
Title:	Fiber optic sleeve assembly for use at a splice junction of a fiber optic cable

16

Patent #:	6470975	Issue Dt:	10/29/2002	Application #:	09516368	Filing Dt:	03/01/2000
Title:	INTERNAL RISER ROTATING CONTROL HEAD

17

Patent #:	6601458	Issue Dt:	08/05/2003	Application #:	09519785	Filing Dt:	03/07/2000
Title:	DISTRIBUTED SOUND SPEED MEASUREMENTS FOR MULTIPHASE FLOW MEASUREMENT

18

Patent #:	6571869	Issue Dt:	06/03/2003	Application #:	09524180	Filing Dt:	03/13/2000
Title:	DOWNHOLE SURGE PRESSURE REDUCTION AND FILTERING APPARATUS

19

Patent #:	6427776	Issue Dt:	08/06/2002	Application #:	09536937	Filing Dt:	03/27/2000
Title:	SAND REMOVAL AND DEVICE RETRIEVAL TOOL

20

Patent #:	6333700	Issue Dt:	12/25/2001	Application #:	09536953	Filing Dt:	03/28/2000
Title:	Apparatus and method for downhole well equipment and process management, identification, and actuation

21

Patent #:	6464002	Issue Dt:	10/15/2002	Application #:	09545917	Filing Dt:	04/10/2000
Title:	WHIPSTOCK ASSEMBLY

22

Patent #:	6364037	Issue Dt:	04/02/2002	Application #:	09547068	Filing Dt:	04/11/2000
Title:	Apparatus to actuate a downhole tool

23

Patent #:	6351987	Issue Dt:	03/05/2002	Application #:	09548792	Filing Dt:	04/13/2000
Title:	Fiber optic pressure sensor for DC pressure and temperature

24

Patent #:	6405803	Issue Dt:	06/18/2002	Application #:	09549785	Filing Dt:	04/14/2000
Title:	Differential flow control valve

25

Patent #:	6547002	Issue Dt:	04/15/2003	Application #:	09550508	Filing Dt:	04/17/2000
Title:	HIGH PRESSURE ROTATING DRILLING HEAD ASSEMBLY WITH HYDRAULICALLY REMOVABLE PACKER

26

Patent #:	6536520	Issue Dt:	03/25/2003	Application #:	09550721	Filing Dt:	04/17/2000
Title:	TOP DRIVE CASING SYSTEM

27

Patent #:	6311778	Issue Dt:	11/06/2001	Application #:	09551326	Filing Dt:	04/18/2000
Title:	Assembly and subterranean well tool and method of use

28

Patent #:	6566649	Issue Dt:	05/20/2003	Application #:	09579971	Filing Dt:	05/26/2000
Title:	STANDOFF COMPENSATION FOR NUCLEAR MEASUREMENTS

29

Patent #:	6446717	Issue Dt:	09/10/2002	Application #:	09584974	Filing Dt:	06/01/2000
Title:	CORE-CONTAINING SEALING ASSEMBLY

30

Patent #:	7283061	Issue Dt:	10/16/2007	Application #:	09586648	Filing Dt:	06/01/2000
Title:	METHOD AND SYSTEM FOR PERFORMING OPERATIONS AND FOR IMPROVING PRODUCTION IN WELLS

31

Patent #:	6685361	Issue Dt:	02/03/2004	Application #:	09594645	Filing Dt:	06/15/2000
Title:	FIBER OPTIC CABLE CONNECTORS FOR DOWNHOLE APPLICATIONS

32

Patent #:	6454007	Issue Dt:	09/24/2002	Application #:	09608196	Filing Dt:	06/30/2000
Title:	METHOD AND APPARATUS FOR CASING EXIT SYSTEM USING COILED TUBING

33

Patent #:	6601671	Issue Dt:	08/05/2003	Application #:	09612775	Filing Dt:	07/10/2000
Title:	METHOD AND APPARATUS FOR SEISMICALLY SURVEYING AN EARTH FORMATION IN RELATION TO A BOREHOLE

34

Patent #:	6413297	Issue Dt:	07/02/2002	Application #:	09626857	Filing Dt:	07/27/2000
Title:	METHOD AND APPARATUS FOR TREATING PRESSURIZED DRILLING FLUID RETURNS FROM A WELL

35

Patent #:	6445868	Issue Dt:	09/03/2002	Application #:	09628114	Filing Dt:	07/28/2000
Title:	OPTICAL FIBER FEEDTHROUGH ASSEMBLY AND METHOD OF MAKING SAME

36

Patent #:	6526212	Issue Dt:	02/25/2003	Application #:	09628264	Filing Dt:	07/28/2000
Title:	OPTICAL FIBER BULKHEAD FEEDTHROUGH ASSEMBLY AND METHOD OF MAKING SAME

37

Patent #:	6494262	Issue Dt:	12/17/2002	Application #:	09642447	Filing Dt:	08/18/2000
Title:	NON-CRYOGENIC PRODUCTION OF NITROGEN FOR ON-SITE INJECTION IN WELL CLEAN OUT

38

Patent #:	6722559	Issue Dt:	04/20/2004	Application #:	09647336	Filing Dt:	09/29/2000
Title:	APPARATUS AND METHOD FOR MITIGATING WEAR IN DOWNHOLE TOOLS

39

Patent #:	6513588	Issue Dt:	02/04/2003	Application #:	09660774	Filing Dt:	09/13/2000
Title:	DOWNHOLE APPARATUS

40

Patent #:	6703837	Issue Dt:	03/09/2004	Application #:	09662973	Filing Dt:	09/15/2000
Title:	WELLBORE RESISTIVITY TOOL WITH SIMULTANEOUS MULTIPLE FREQUENCIES

41

Patent #:	6371210	Issue Dt:	04/16/2002	Application #:	09685368	Filing Dt:	10/10/2000
Title:	FLOW CONTROL APPARATUS FOR USE IN A WELLBORE

42

Patent #:	6363089	Issue Dt:	03/26/2002	Application #:	09691997	Filing Dt:	10/19/2000
Title:	Compression-tuned bragg grating and laser

43

Patent #:	6494268	Issue Dt:	12/17/2002	Application #:	09692513	Filing Dt:	10/19/2000
Title:	TRANSPORT AND SUPPORT FRAME FOR A BOP ASSEMBLY

44

Patent #:	6845820	Issue Dt:	01/25/2005	Application #:	09692592	Filing Dt:	10/19/2000
Title:	COMPLETION APPARATUS AND METHODS FOR USE IN HYDROCARBON WELLS

45

Patent #:	6612372	Issue Dt:	09/02/2003	Application #:	09703259	Filing Dt:	10/31/2000
Title:	TWO-STAGE DOWNHOLE PACKER

46

Patent #:	6598678	Issue Dt:	07/29/2003	Application #:	09712789	Filing Dt:	11/13/2000
Title:	APPARATUS AND METHODS FOR SEPARATING AND JOINING TUBULARS IN A WELLBORE

47

Patent #:	6785004	Issue Dt:	08/31/2004	Application #:	09726059	Filing Dt:	11/29/2000
Publication #:	US20020063866	Pub Dt:	05/30/2002
Title:	METHOD AND APPARATUS FOR INTERROGATING FIBER OPTIC SENSORS

48

Patent #:	6501067	Issue Dt:	12/31/2002	Application #:	09726060	Filing Dt:	11/29/2000
Publication #:	US20020063200	Pub Dt:	05/30/2002
Title:	ISOLATION PAD FOR PROTECTING SENSING DEVICES ON THE OUTSIDE OF A CONDUIT

49

Patent #:	6550342	Issue Dt:	04/22/2003	Application #:	09726061	Filing Dt:	11/29/2000
Publication #:	US20020064330	Pub Dt:	05/30/2002
Title:	CIRCUMFERENTIAL STRAIN ATTENUATOR

50

Patent #:	6558036	Issue Dt:	05/06/2003	Application #:	09726062	Filing Dt:	11/29/2000
Publication #:	US20020064206	Pub Dt:	05/30/2002
Title:	NON-INTRUSIVE TEMPERATURE SENSOR FOR MEASURING INTERNAL TEMPERATURE OF FLUIDS WITHIN PIPES

51

Patent #:	6609069	Issue Dt:	08/19/2003	Application #:	09729994	Filing Dt:	12/04/2000
Publication #:	US20020095263	Pub Dt:	07/18/2002
Title:	METHOD AND APPARATUS FOR DETERMINING THE FLOW VELOCITY OF A FLUID WITHIN A PIPE

52

Patent #:	6467547	Issue Dt:	10/22/2002	Application #:	09734489	Filing Dt:	12/11/2000
Publication #:	US20020070032	Pub Dt:	06/13/2002
Title:	HYDRAULIC RUNNING TOOL WITH TORQUE DAMPENER

53

Patent #:	6554016	Issue Dt:	04/29/2003	Application #:	09735385	Filing Dt:	12/12/2000
Publication #:	US20020070014	Pub Dt:	06/13/2002
Title:	ROTATING BLOWOUT PREVENTER WITH INDEPENDENT COOLING CIRCUITS AND THRUST BEARING

54

Patent #:	6443226	Issue Dt:	09/03/2002	Application #:	09740757	Filing Dt:	11/29/2000
Publication #:	US20020062958	Pub Dt:	05/30/2002
Title:	APPARATUS FOR PROTECTING SENSORS WITHIN A WELL ENVIRONMENT

55

Patent #:	6782150	Issue Dt:	08/24/2004	Application #:	09740760	Filing Dt:	11/29/2000
Publication #:	US20020064331	Pub Dt:	05/30/2002
Title:	APPARATUS FOR SENSING FLUID IN A PIPE

56

Patent #:	6698518	Issue Dt:	03/02/2004	Application #:	09757307	Filing Dt:	01/09/2001
Publication #:	US20020157836	Pub Dt:	10/31/2002
Title:	APPARATUS AND METHODS FOR USE IN A WELLBORE

57

Patent #:	6736210	Issue Dt:	05/18/2004	Application #:	09778051	Filing Dt:	02/06/2001
Publication #:	US20020104653	Pub Dt:	08/08/2002
Title:	APPARATUS AND METHODS FOR PLACING DOWNHOLE TOOLS IN A WELLBORE

58

Patent #:	6516663	Issue Dt:	02/11/2003	Application #:	09778357	Filing Dt:	02/06/2001
Publication #:	US20030000300	Pub Dt:	01/02/2003
Title:	DOWNHOLE ELECTROMAGNETIC LOGGING INTO PLACE TOOL

59

Patent #:	6554076	Issue Dt:	04/29/2003	Application #:	09784650	Filing Dt:	02/15/2001
Publication #:	US20020117309	Pub Dt:	08/29/2002
Title:	HYDRAULICALLY ACTIVATED SELECTIVE CIRCULATING/REVERSE CIRCULATING PACKER ASSEMBLY

60

Patent #:	6536522	Issue Dt:	03/25/2003	Application #:	09790855	Filing Dt:	02/22/2001
Publication #:	US20020074127	Pub Dt:	06/20/2002
Title:	ARTIFICIAL LIFT APPARATUS WITH AUTOMATED MONITORING CHARACTERISTICS

61

Patent #:	6454005	Issue Dt:	09/24/2002	Application #:	09803501	Filing Dt:	03/09/2001
Publication #:	US20020139530	Pub Dt:	10/03/2002
Title:	TREATING SHALE AND CLAY IN HYDROCARBON PRODUCING FORMATIONS WITH COMBINATIONS OF GUAR AND POTASSIUM FORMATE

62

Patent #:	6491105	Issue Dt:	12/10/2002	Application #:	09803635	Filing Dt:	03/09/2001
Publication #:	US20020139534	Pub Dt:	10/03/2002
Title:	CROSSOVER HOUSING FOR GAS LIFT VALVE

63

Patent #:	6639210	Issue Dt:	10/28/2003	Application #:	09805798	Filing Dt:	03/14/2001
Publication #:	US20020130258	Pub Dt:	09/19/2002
Title:	GEOMETRICALLY OPTIMIZED FAST NEUTRON DETECTOR

64

Patent #:	6495837	Issue Dt:	12/17/2002	Application #:	09808216	Filing Dt:	03/14/2001
Publication #:	US20020130267	Pub Dt:	09/19/2002
Title:	GEOMETRICALLY OPTIMIZED FAST NEUTRON DETECTOR

65

Patent #:	6566657	Issue Dt:	05/20/2003	Application #:	09808621	Filing Dt:	03/14/2001
Publication #:	US20020130268	Pub Dt:	09/19/2002
Title:	GEOMETRICALLY OPTIMIZED FAST NEUTRON DETECTOR

66

Patent #:	6502637	Issue Dt:	01/07/2003	Application #:	09812422	Filing Dt:	03/20/2001
Publication #:	US20020008225	Pub Dt:	01/24/2002
Title:	TREATING SHALE AND CLAY IN HYDROCARBON PRODUCING FORMATIONS

67

Patent #:	6662876	Issue Dt:	12/16/2003	Application #:	09818119	Filing Dt:	03/27/2001
Publication #:	US20020139540	Pub Dt:	10/03/2002
Title:	METHOD AND APPARATUS FOR DOWNHOLE TUBULAR EXPANSION

68

Patent #:	6736214	Issue Dt:	05/18/2004	Application #:	09819013	Filing Dt:	03/27/2001
Publication #:	US20020139539	Pub Dt:	10/03/2002
Title:	RUNNING TOOL AND WELLBORE COMPONENT ASSEMBLY

69

Patent #:	7014100	Issue Dt:	03/21/2006	Application #:	09843998	Filing Dt:	04/27/2001
Publication #:	US20020158120	Pub Dt:	10/31/2002
Title:	PROCESS AND ASSEMBLY FOR IDENTIFYING AND TRACKING ASSETS

70

Patent #:	6510896	Issue Dt:	01/28/2003	Application #:	09849624	Filing Dt:	05/04/2001
Publication #:	US20020162664	Pub Dt:	11/07/2002
Title:	APPARATUS AND METHODS FOR UTILIZING EXPANDABLE SAND SCREEN IN WELLBORES

71

Patent #:	6590202	Issue Dt:	07/08/2003	Application #:	09851635	Filing Dt:	05/08/2001
Publication #:	US20020008197	Pub Dt:	01/24/2002
Title:	STANDOFF COMPENSATION FOR NUCLEAR MEASUREMENTS

72

Patent #:	6607042	Issue Dt:	08/19/2003	Application #:	09858954	Filing Dt:	05/17/2001
Publication #:	US20020170749	Pub Dt:	11/21/2002
Title:	METHOD OF DYNAMICALLY CONTROLLING BOTTOM HOLE CIRCULATION PRESSURE IN A WELLBORE

73

Patent #:	6742596	Issue Dt:	06/01/2004	Application #:	09860127	Filing Dt:	05/17/2001
Publication #:	US20020170720	Pub Dt:	11/21/2002
Title:	APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK

74

Patent #:	6668937	Issue Dt:	12/30/2003	Application #:	09869748	Filing Dt:	09/04/2001
Title:	PIPE ASSEMBLY WITH A PLURALITY OF OUTLETS FOR USE IN A WELLBORE AND METHOD FOR RUNNING SUCH A PIPE ASSEMBLY

75

Patent #:	6688409	Issue Dt:	02/10/2004	Application #:	09889766	Filing Dt:	01/03/2002
Title:	FRICTION REDUCING TOOL AND METHOD FOR ITS USE IN A WELLBORE

76

Patent #:	6598501	Issue Dt:	07/29/2003	Application #:	09890194	Filing Dt:	07/26/2001
Title:	APPARATUS AND A METHOD FOR FACILITATING THE CONNECTION OF PIPES

77

Patent #:	6684737	Issue Dt:	02/03/2004	Application #:	09890314	Filing Dt:	01/04/2002
Title:	POWER TONG

78

Patent #:	6675902	Issue Dt:	01/13/2004	Application #:	09891150	Filing Dt:	06/25/2001
Publication #:	US20020195254	Pub Dt:	12/26/2002
Title:	PROGRESSIVE CAVITY WELLBORE PUMP AND METHOD OF USE IN ARTIFICAL LIFT SYSTEMS

79

Patent #:	6712153	Issue Dt:	03/30/2004	Application #:	09893505	Filing Dt:	06/27/2001
Publication #:	US20030000710	Pub Dt:	01/02/2003
Title:	RESIN IMPREGNATED CONTINUOUS FIBER PLUG WITH NON-METALLIC ELEMENT SYSTEM

80

Patent #:	6612481	Issue Dt:	09/02/2003	Application #:	09917960	Filing Dt:	07/30/2001
Publication #:	US20030021922	Pub Dt:	01/30/2003
Title:	WELLSCREEN

81

Patent #:	6728639	Issue Dt:	04/27/2004	Application #:	09931332	Filing Dt:	08/16/2001
Publication #:	US20020059734	Pub Dt:	05/23/2002
Title:	METHOD AND APPARATUS FOR DETERMINING THE ORIENTATION OF A BOREHOLE

82

Patent #:	6885188	Issue Dt:	04/26/2005	Application #:	09931552	Filing Dt:	08/16/2001
Publication #:	US20020078745	Pub Dt:	06/27/2002
Title:	DETECTOR ASSEMBLIES AND METHODS

83

Patent #:	6578638	Issue Dt:	06/17/2003	Application #:	09940067	Filing Dt:	08/27/2001
Publication #:	US20030037932	Pub Dt:	02/27/2003
Title:	DRILLABLE INFLATABLE PACKER & METHODS OF USE

84

Patent #:	6580268	Issue Dt:	06/17/2003	Application #:	09940865	Filing Dt:	08/28/2001
Publication #:	US20030042897	Pub Dt:	03/06/2003
Title:	SUCKER ROD DIMENSION MEASUREMENT AND FLAW DETECTION SYSTEM

85

Patent #:	7090254	Issue Dt:	08/15/2006	Application #:	09958917	Filing Dt:	01/29/2002
Title:	APPARATUS AND METHOD ALIGNING TUBULARS

86

Patent #:	6877553	Issue Dt:	04/12/2005	Application #:	09964034	Filing Dt:	09/26/2001
Publication #:	US20030056947	Pub Dt:	03/27/2003
Title:	PROFILED RECESS FOR INSTRUMENTED EXPANDABLE COMPONENTS

87

Patent #:	6932161	Issue Dt:	08/23/2005	Application #:	09964160	Filing Dt:	09/26/2001
Publication #:	US20030056948	Pub Dt:	03/27/2003
Title:	PROFILED ENCAPSULATION FOR USE WITH INSTRUMENTED EXPANDABLE TUBULAR COMPLETIONS

88

Patent #:	6595287	Issue Dt:	07/22/2003	Application #:	09972390	Filing Dt:	10/05/2001
Publication #:	US20020074118	Pub Dt:	06/20/2002
Title:	AUTO ADJUSTING WELL CONTROL SYSTEM

89

Patent #:	6585061	Issue Dt:	07/01/2003	Application #:	09976129	Filing Dt:	10/15/2001
Publication #:	US20030070844	Pub Dt:	04/17/2003
Title:	CALCULATING DIRECTIONAL DRILLING TOOL FACE OFFSETS

90

Patent #:	6662885	Issue Dt:	12/16/2003	Application #:	09983461	Filing Dt:	10/24/2001
Publication #:	US20030075332	Pub Dt:	04/24/2003
Title:	METHOD AND APPARATUS FOR PROVIDING A STREAM OF PRESSURIZED SUBSTANTIALLY INERT GAS

91

Patent #:	6698517	Issue Dt:	03/02/2004	Application #:	09990092	Filing Dt:	11/21/2001
Publication #:	US20020079100	Pub Dt:	06/27/2002
Title:	APPARATUS, METHODS, AND APPLICATIONS FOR EXPANDING TUBULARS IN A WELLBORE

92

Patent #:	6805196	Issue Dt:	10/19/2004	Application #:	09990772	Filing Dt:	11/16/2001
Publication #:	US20020104647	Pub Dt:	08/08/2002
Title:	EXPANDER

93

Patent #:	6622795	Issue Dt:	09/23/2003	Application #:	09995842	Filing Dt:	11/28/2001
Publication #:	US20030098163	Pub Dt:	05/29/2003
Title:	FLOW ACTUATED VALVE FOR USE IN A WELLBORE

94

Patent #:	6691776	Issue Dt:	02/17/2004	Application #:	09995942	Filing Dt:	11/28/2001
Publication #:	US20030098155	Pub Dt:	05/29/2003
Title:	DOWNHOLE TOOL RETENTION APPARATUS

95

Patent #:	6898541	Issue Dt:	05/24/2005	Application #:	09996626	Filing Dt:	11/28/2001
Publication #:	US20020123852	Pub Dt:	09/05/2002
Title:	METHOD AND APPARATUS FOR DETERMINING COMPONENT FLOW RATES FOR A MULTIPHASE FLOW

96

Patent #:	6738720	Issue Dt:	05/18/2004	Application #:	09997134	Filing Dt:	11/29/2001
Publication #:	US20030101011	Pub Dt:	05/29/2003
Title:	APPARATUS AND METHODS FOR MEASUREMENT OF DENSITY OF MATERIALS USING A NEUTRON SOURCE AND TWO SPECTROMETERS

97

Patent #:	6587798	Issue Dt:	07/01/2003	Application #:	09997221	Filing Dt:	11/28/2001
Publication #:	US20020100327	Pub Dt:	08/01/2002
Title:	METHOD AND SYSTEM FOR DETERMINING THE SPEED OF SOUND IN A FLUID WITHIN A CONDUIT

98

Patent #:	6971259	Issue Dt:	12/06/2005	Application #:	10010183	Filing Dt:	11/07/2001
Publication #:	US20030084707	Pub Dt:	05/08/2003
Title:	FLUID DENSITY MEASUREMENT IN PIPES USING ACOUSTIC PRESSURES

99

Patent #:	6668684	Issue Dt:	12/30/2003	Application #:	10011049	Filing Dt:	12/07/2001
Publication #:	US20020134555	Pub Dt:	09/26/2002
Title:	TONG FOR WELLBORE OPERATIONS

100

Patent #:	7011344	Issue Dt:	03/14/2006	Application #:	10031207	Filing Dt:	07/02/2002
Title:	CONNECTOR AND METHOD OF USE OF THE CONNECTOR

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

DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT

60 WALL STREET

NEW YORK, NEW YORK 10005

Correspondence name and address
	KATE MIRINO
	425 LEXINGTON AVENUE
	NEW YORK, NY 10017

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