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Reel/Frame:	054288/0302			Pages:	115
		Recorded:	08/28/2020
Attorney Dkt #:	22985-002
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 1500
Page 1 of 16
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

1

Patent #:	D347699	Issue Dt:	06/07/1994	Application #:	07226962	Filing Dt:	08/01/1988
Title:	AN EXTRUDED RAIL FOR SUPPORTING A CURTIN AND POST ASSEMBLY

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

16

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

17

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

18

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

19

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

20

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

21

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

22

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

23

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

24

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

25

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

26

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

27

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

28

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

29

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

30

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

31

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

32

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

33

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

34

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

35

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

36

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

37

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

38

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

39

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

40

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

41

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

42

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

43

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

44

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

45

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

46

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

47

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

48

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

49

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

50

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

51

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

52

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

53

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

54

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

55

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

56

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

57

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

58

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

59

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

60

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

61

Patent #:	6702010	Issue Dt:	03/09/2004	Application #:	10032644	Filing Dt:	12/28/2001
Publication #:	US20020108487	Pub Dt:	08/15/2002
Title:	APPARATUS AND METHOD FOR ACTUATING ARMS

62

Patent #:	6653839	Issue Dt:	11/25/2003	Application #:	10032981	Filing Dt:	12/28/2001
Publication #:	US20020153896	Pub Dt:	10/24/2002
Title:	ELECTRICAL MEASUREMENT APPARATUS AND METHOD FOR MEASURING AN ELECTRICAL CHARACTERISTIC OF AN EARTH FORMATION

63

Patent #:	6592334	Issue Dt:	07/15/2003	Application #:	10036737	Filing Dt:	12/21/2001
Publication #:	US20030118452	Pub Dt:	06/26/2003
Title:	HYDRAULIC MULTIPHASE PUMP

64

Patent #:	6715567	Issue Dt:	04/06/2004	Application #:	10037529	Filing Dt:	01/04/2002
Publication #:	US20020162658	Pub Dt:	11/07/2002
Title:	AN APPARATUS AND METHOD FOR FORMING A PILOT HOLE IN A FORMATION

65

Patent #:	6745646	Issue Dt:	06/08/2004	Application #:	10048353	Filing Dt:	06/11/2002
Title:	APPARATUS AND METHOD FOR FACILITATING THE CONNECTION OF PIPES

66

Patent #:	6577129	Issue Dt:	06/10/2003	Application #:	10053041	Filing Dt:	01/19/2002
Title:	WELL LOGGING SYSTEM FOR DETERMINING DIRECTIONAL RESISTIVITY USING MULTIPLE TRANSMITTER-RECEIVER GROUPS FOCUSED WITH MAGNETIC RELUCTANCE MATERIAL

67

Patent #:	6646441	Issue Dt:	11/11/2003	Application #:	10053043	Filing Dt:	01/19/2002
Publication #:	US20030137301	Pub Dt:	07/24/2003
Title:	WELL LOGGING SYSTEM FOR DETERMINING RESISTIVITY USING MULTIPLE TRANSMITTER-RECEIVER GROUPS OPERATING AT THREE FREQUENCIES AND AT OPTIMIZED GAIN

68

Patent #:	6732806	Issue Dt:	05/11/2004	Application #:	10060029	Filing Dt:	01/29/2002
Publication #:	US20030141059	Pub Dt:	07/31/2003
Title:	ONE TRIP EXPANSION APPARATUS FOR USE IN A WELLBORE

69

Patent #:	6637119	Issue Dt:	10/28/2003	Application #:	10072129	Filing Dt:	02/05/2002
Publication #:	US20020144417	Pub Dt:	10/10/2002
Title:	SURVEYING OF BOREHOLES

70

Patent #:	6695057	Issue Dt:	02/24/2004	Application #:	10073685	Filing Dt:	02/11/2002
Publication #:	US20020195248	Pub Dt:	12/26/2002
Title:	FRACTURING PORT COLLAR FOR WELLBORE PACK-OFF SYSTEM, AND METHOD FOR USING SAME

71

Patent #:	6666285	Issue Dt:	12/23/2003	Application #:	10078199	Filing Dt:	02/15/2002
Publication #:	US20030155121	Pub Dt:	08/21/2003
Title:	LOGGING-WHILE-DRILLING APPARATUS AND METHODS FOR MEASURING DENSITY

72

Patent #:	6695056	Issue Dt:	02/24/2004	Application #:	10079139	Filing Dt:	02/20/2002
Publication #:	US20020170713	Pub Dt:	11/21/2002
Title:	SYSTEM FOR FORMING A WINDOW AND DRILLING A SIDETRACK WELLBORE

73

Patent #:	6767035	Issue Dt:	07/27/2004	Application #:	10095124	Filing Dt:	03/11/2002
Publication #:	US20030168858	Pub Dt:	09/11/2003
Title:	HIGH TORQUE MODIFIED PROFILE THREADED TUBULAR CONNECTION

74

Patent #:	6708763	Issue Dt:	03/23/2004	Application #:	10097448	Filing Dt:	03/13/2002
Publication #:	US20030173086	Pub Dt:	09/18/2003
Title:	METHOD AND APPARATUS FOR INJECTING STEAM INTO A GEOLOGICAL FORMATION

75

Patent #:	6748823	Issue Dt:	06/15/2004	Application #:	10100814	Filing Dt:	03/19/2002
Publication #:	US20020088310	Pub Dt:	07/11/2002
Title:	APPARATUS AND METHOD FOR ALIGNING TUBULARS

76

Patent #:	6745841	Issue Dt:	06/08/2004	Application #:	10102626	Filing Dt:	03/20/2002
Publication #:	US20020166671	Pub Dt:	11/14/2002
Title:	TUBE MANUFACTURE

77

Patent #:	6668930	Issue Dt:	12/30/2003	Application #:	10106178	Filing Dt:	03/26/2002
Publication #:	US20030183397	Pub Dt:	10/02/2003
Title:	METHOD FOR INSTALLING AN EXPANDABLE COILED TUBING PATCH

78

Patent #:	6684965	Issue Dt:	02/03/2004	Application #:	10111984	Filing Dt:	09/04/2002
Title:	METHOD AND APPARATUS FOR OPERATIONS IN UNDERGROUND SUBSEA OIL AND GAS WELLS

79

Patent #:	6712151	Issue Dt:	03/30/2004	Application #:	10114923	Filing Dt:	04/03/2002
Publication #:	US20030024711	Pub Dt:	02/06/2003
Title:	TUBING EXPANSION

80

Patent #:	6915849	Issue Dt:	07/12/2005	Application #:	10127021	Filing Dt:	04/19/2002
Publication #:	US20020170711	Pub Dt:	11/21/2002
Title:	APPARATUS AND METHODS FOR CONVEYING INSTRUMENTATION WITHIN A BOREHOLE USING CONTINUOUS SUCKER ROD

81

Patent #:	6854519	Issue Dt:	02/15/2005	Application #:	10138253	Filing Dt:	05/03/2002
Publication #:	US20030205389	Pub Dt:	11/06/2003
Title:	SUBSURFACE VALVE WITH SYSTEM AND METHOD FOR SEALING

82

Patent #:	6898338	Issue Dt:	05/24/2005	Application #:	10151475	Filing Dt:	05/17/2002
Publication #:	US20020196995	Pub Dt:	12/26/2002
Title:	FABRY-PEROT SENSING ELEMENT BASED ON A LARGE-DIAMETER OPTICAL WAVEGUIDE

83

Patent #:	6807324	Issue Dt:	10/19/2004	Application #:	10153199	Filing Dt:	05/21/2002
Publication #:	US20030219190	Pub Dt:	11/27/2003
Title:	METHOD AND APPARATUS FOR CALIBRATING A DISTRIBUTED TEMPERATURE SENSING SYSTEM

84

Patent #:	6732804	Issue Dt:	05/11/2004	Application #:	10154437	Filing Dt:	05/23/2002
Publication #:	US20030217849	Pub Dt:	11/27/2003
Title:	DYNAMIC MUDCAP DRILLING AND WELL CONTROL SYSTEM

85

Patent #:	6827148	Issue Dt:	12/07/2004	Application #:	10154489	Filing Dt:	05/22/2002
Publication #:	US20030217850	Pub Dt:	11/27/2003
Title:	DOWNHOLE TOOL FOR USE IN A WELLBORE

86

Patent #:	6742598	Issue Dt:	06/01/2004	Application #:	10157307	Filing Dt:	05/29/2002
Publication #:	US20030221840	Pub Dt:	12/04/2003
Title:	METHOD OF EXPANDING A SAND SCREEN

87

Patent #:	6834726	Issue Dt:	12/28/2004	Application #:	10157743	Filing Dt:	05/29/2002
Publication #:	US20030221837	Pub Dt:	12/04/2003
Title:	METHOD AND APPARATUS TO REDUCE DOWNHOLE SURGE PRESSURE USING HYDROSTATIC VALVE

88

Patent #:	7028771	Issue Dt:	04/18/2006	Application #:	10159176	Filing Dt:	05/30/2002
Publication #:	US20030221825	Pub Dt:	12/04/2003
Title:	HYDROCARBON RECOVERY

89

Patent #:	6769491	Issue Dt:	08/03/2004	Application #:	10165613	Filing Dt:	06/07/2002
Publication #:	US20030226668	Pub Dt:	12/11/2003
Title:	ANCHORING AND SEALING SYSTEM FOR A DOWNHOLE TOOL

90

Patent #:	7216727	Issue Dt:	05/15/2007	Application #:	10168676	Filing Dt:	06/21/2002
Publication #:	US20020189863	Pub Dt:	12/19/2002
Title:	DRILLING BIT FOR DRILLING WHILE RUNNING CASING

91

Patent #:	6698297	Issue Dt:	03/02/2004	Application #:	10186382	Filing Dt:	06/28/2002
Publication #:	US20040000197	Pub Dt:	01/01/2004
Title:	VENTURI AUGMENTED FLOW METER

92

Patent #:	6830103	Issue Dt:	12/14/2004	Application #:	10189343	Filing Dt:	07/03/2002
Publication #:	US20030015318	Pub Dt:	01/23/2003
Title:	ROLLER SUBS

93

Patent #:	6668656	Issue Dt:	12/30/2003	Application #:	10191710	Filing Dt:	07/09/2002
Publication #:	US20020194917	Pub Dt:	12/26/2002
Title:	OPTICAL SENSOR HAVING DIFFERING DIAMETERS

94

Patent #:	7178592	Issue Dt:	02/20/2007	Application #:	10192784	Filing Dt:	07/10/2002
Publication #:	US20040007131	Pub Dt:	01/15/2004
Title:	CLOSED LOOP MULTIPHASE UNDERBALANCED DRILLING PROCESS

95

Patent #:	6845563	Issue Dt:	01/25/2005	Application #:	10207383	Filing Dt:	07/30/2002
Publication #:	US20040020063	Pub Dt:	02/05/2004
Title:	METHOD AND DEVICE FOR THE MEASUREMENT OF THE DRIFT OF A BOREHOLE

96

Patent #:	6892835	Issue Dt:	05/17/2005	Application #:	10207542	Filing Dt:	07/29/2002
Publication #:	US20040016575	Pub Dt:	01/29/2004
Title:	FLUSH MOUNTED SPIDER

97

Patent #:	6802372	Issue Dt:	10/12/2004	Application #:	10208724	Filing Dt:	07/30/2002
Publication #:	US20040020641	Pub Dt:	02/05/2004
Title:	APPARATUS FOR RELEASING A BALL INTO A WELLBORE

98

Patent #:	6851476	Issue Dt:	02/08/2005	Application #:	10211252	Filing Dt:	08/02/2002
Publication #:	US20030024702	Pub Dt:	02/06/2003
Title:	DUAL SENSOR FREEPOINT TOOL

99

Patent #:	6886631	Issue Dt:	05/03/2005	Application #:	10212672	Filing Dt:	08/05/2002
Publication #:	US20040020644	Pub Dt:	02/05/2004
Title:	INFLATION TOOL WITH REAL-TIME TEMPERATURE AND PRESSURE PROBES

100

Patent #:	6945330	Issue Dt:	09/20/2005	Application #:	10212673	Filing Dt:	08/05/2002
Publication #:	US20040020709	Pub Dt:	02/05/2004
Title:	SLICKLINE POWER CONTROL INTERFACE

Assignors

1

WEATHERFORD TECHNOLOGY HOLDINGS, LLC

Exec Dt:

08/28/2020

2

WEATHERFORD NETHERLANDS B.V.

Exec Dt:

08/28/2020

3

WEATHERFORD NORGE AS

Exec Dt:

08/28/2020

4

HIGH PRESSURE INTEGRITY, INC.

Exec Dt:

08/28/2020

5

PRECISION ENERGY SERVICES, INC.

Exec Dt:

08/28/2020

6

WEATHERFORD CANADA LTD.

Exec Dt:

08/28/2020

7

WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH

Exec Dt:

08/28/2020

8

PRECISION ENERGY SERVICES ULC

Exec Dt:

08/28/2020

9

WEATHERFORD U.K. LIMITED

Exec Dt:

08/28/2020

Assignee

1

WILMINGTON TRUST, NATIONAL ASSOCIATION

50 SOUTH STREET SUITE 1290

MINNEAPOLIS, MINNESOTA 55402

Correspondence name and address
	MARISSA POTTS
	PAUL, WEISS, RIFKIND, WHARTON & GARRISON LLP
	1285 AVENUE OF THE AMERICAS
	NEW YORK, NY 10019-6064

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