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Total properties:
56
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|
|
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Patent #:
|
|
Issue Dt:
|
06/16/1981
|
Application #:
|
06006832
|
Filing Dt:
|
01/26/1979
|
|
Title:
|
OIL AND GAS WELL KICK DETECTOR
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/12/1981
|
Application #:
|
06070092
|
Filing Dt:
|
08/27/1979
|
|
Title:
|
HYDRAULIC CIRCUIT FOR BOREHOLE TELEMETRY APPARATUS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/05/1981
|
Application #:
|
06070154
|
Filing Dt:
|
08/27/1979
|
|
Title:
|
MOUNTING AND SHOCK ABSORBER ASSEMBLY FOR BOREHOLE TELEMETRY APPARATUS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/09/1982
|
Application #:
|
06071746
|
Filing Dt:
|
08/30/1979
|
|
Title:
|
ELECTRICAL CONNECTOR FOR BOREHOLE TELEMETRY APPARATUS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/21/1986
|
Application #:
|
06440753
|
Filing Dt:
|
11/12/1982
|
|
Title:
|
IMPROVED INSULATING SEGMENT FOR A DRILL STRING ELECTRODE STRUCTURE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/11/1986
|
Application #:
|
06440754
|
Filing Dt:
|
11/12/1982
|
|
Title:
|
ELECTRODE ARRAY FOR MEASUREMENT OF BOREHOLE RESISTIVITY
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/19/1988
|
Application #:
|
06440755
|
Filing Dt:
|
11/12/1982
|
|
Title:
|
METHOD OF FORMING AN ELECTRODE STRUCTURE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/30/1989
|
Application #:
|
06510332
|
Filing Dt:
|
07/01/1983
|
|
Title:
|
CABLE TENSIOMETER
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/03/1987
|
Application #:
|
06537821
|
Filing Dt:
|
09/30/1983
|
|
Title:
|
MUD TURBINE TACHOMETER
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/20/1986
|
Application #:
|
06572801
|
Filing Dt:
|
01/23/1984
|
|
Title:
|
METHOD OF MANUFACTURING AN INSULATING COUPLING FOR DRILL COLLARS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/11/1986
|
Application #:
|
06727362
|
Filing Dt:
|
04/25/1985
|
|
Title:
|
IMPROVED INSULATING AND ELECTRODE STRUCTURE IN A DRILL STRING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/23/1986
|
Application #:
|
06732928
|
Filing Dt:
|
05/13/1985
|
|
Title:
|
VIBRATION ISOLATOR AND SHOCK ABSORBER DEVICE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/30/1987
|
Application #:
|
06865158
|
Filing Dt:
|
05/20/1986
|
|
Title:
|
EXPLOSION AND FLAME PROOF ELECTRICAL CONNECTOR PROTECTIVE ASSEMBLY
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/22/1988
|
Application #:
|
06898409
|
Filing Dt:
|
08/20/1986
|
|
Title:
|
RESISTIVITY SENSOR FOR GENERATING ASYMMETRICAL CURRENT FIELD AND METHOD OF USING THE SAME
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/22/1988
|
Application #:
|
06936185
|
Filing Dt:
|
12/01/1986
|
|
Title:
|
METHOD AND APPARATUS FOR BOREHOLE FLUID INFLUX DETECTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/22/1988
|
Application #:
|
06936351
|
Filing Dt:
|
12/01/1986
|
|
Title:
|
METHOD AND APPARATUS FOR BOREHOLE FLUID INFLUX DETECTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/05/1988
|
Application #:
|
06941390
|
Filing Dt:
|
12/15/1986
|
|
Title:
|
METHOD FOR EVALUATION OF FORMATION INVASION AND FORMATION PERMEABILITY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/23/1990
|
Application #:
|
07054552
|
Filing Dt:
|
05/27/1987
|
|
Title:
|
METHOD AND APPARATUS FOR MEASUREMENT OF AZIMUTH OF A BOREHOLE WHILE DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/21/1989
|
Application #:
|
07054616
|
Filing Dt:
|
05/27/1987
|
|
Title:
|
METHOD FOR MEASUREMENT OF AZIMUTH OF A BOREHOLE WHILE DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/25/1989
|
Application #:
|
07055451
|
Filing Dt:
|
05/28/1987
|
|
Title:
|
KELLY-TO-RISER POSITION DETERMINING SYSTEM WITH ADJUSTMENT FOR UN- COMPENSATED HEAVE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/25/1988
|
Application #:
|
07086359
|
Filing Dt:
|
08/17/1987
|
|
Title:
|
VIBRATION ISOLATOR AND SHOCK ABSORBER DEVICE WITH CONICAL DISC SPRINGS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/18/1989
|
Application #:
|
07144471
|
Filing Dt:
|
01/15/1988
|
|
Title:
|
APPARATUS FOR MEASURING WEIGHT, TORQUE AND SIDE FORCE ON A DRILL BIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/12/1991
|
Application #:
|
07247033
|
Filing Dt:
|
09/20/1988
|
|
Title:
|
METHOD AND APPARATUS FOR REMOTE SIGNAL ENTRY INTO MEASUREMENT WHILE DRILLING SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/30/1991
|
Application #:
|
07275115
|
Filing Dt:
|
11/22/1988
|
|
Title:
|
METHOD AND APPARATUS FOR MEASUREMENT OF AZIMUTH OF A BOREHOLE WHILE DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/31/1989
|
Application #:
|
07290506
|
Filing Dt:
|
12/27/1988
|
|
Title:
|
METHOD AND APPARATUS FOR FILTERING NOISE FROM DATA SIGNALS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/23/1991
|
Application #:
|
07389321
|
Filing Dt:
|
08/02/1989
|
|
Title:
|
MEANS FOR VARYING MWD TOOL OPERATING MODES FROM THE SURFACE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/25/1990
|
Application #:
|
07390155
|
Filing Dt:
|
08/07/1989
|
|
Title:
|
APPARATUS FOR MEASURING WEIGHT, TORQUE AND SIDE FORCE ON A DRILL BIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/30/1991
|
Application #:
|
07398668
|
Filing Dt:
|
08/25/1989
|
|
Title:
|
METHOD OF MONITORING CORE SAMPLING DURING BOREHOLE DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/19/1991
|
Application #:
|
07406717
|
Filing Dt:
|
09/13/1989
|
|
Title:
|
PHASE AND AMPLITUDE CALIBRATION SYSTEM FOR ELECTROMAGNETIC PROPAGATION BASED EARTH FORMATION EVALUATION INSTRUMENTS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/30/1992
|
Application #:
|
07510082
|
Filing Dt:
|
04/17/1990
|
|
Title:
|
APPARATUS FOR NUCLEAR LOGGING EMPLOYING SUB WALL MOUNTED NUCLEAR SOURCE CONTAINER AND NUCLEAR SOURCE MOUNTING TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/01/1992
|
Application #:
|
07511537
|
Filing Dt:
|
04/17/1990
|
|
Title:
|
APPARATUS FOR NUCLEAR LOGGING EMPLOYING SUB WALL MOUNTED DETECTORS AND ELECTRONICS, AND MODULAR CONNECTOR ASSEMBLIES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/21/1992
|
Application #:
|
07511538
|
Filing Dt:
|
04/17/1990
|
|
Title:
|
NUCLEAR LOGGING TOOL ELECTRONICS INCLUDING PROGRAMMABLE GAIN AMPLIFIER AND PEAK DETECTION CIRCUITS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/11/1994
|
Application #:
|
07513953
|
Filing Dt:
|
04/17/1990
|
|
Title:
|
METHOD AND APPARATUS FOR NUCLEAR LOGGING USING LITHIUM DETECTOR ASSEMBLIES AND GAMMA RAY STRIPPING MEANS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/01/1994
|
Application #:
|
07551636
|
Filing Dt:
|
10/25/1990
|
|
Title:
|
COMPENSATION METHOD USING A SINGLE TRANSMITTER MEASUREMENT TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/18/1993
|
Application #:
|
07558075
|
Filing Dt:
|
07/25/1990
|
|
Title:
|
COMPOSITE SHELL FOR PROTECTING AN ANTENNA OF A FORMATION EVALUATION TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/08/1991
|
Application #:
|
07579706
|
Filing Dt:
|
09/10/1990
|
|
Title:
|
ANALYSIS AND IDENTIFICATION OF A DRILLING FLUID COLUMN BASED ON DECODING OF MEASUREMENT-WHILE-DRILLING SIGNALS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/07/1992
|
Application #:
|
07586754
|
Filing Dt:
|
09/19/1990
|
|
Title:
|
METHOD AND APPARATUS FOR DETERMINING INCLINATION ANGLE OF A BOREHOLE WHILE DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/07/1992
|
Application #:
|
07604952
|
Filing Dt:
|
10/29/1990
|
|
Title:
|
ELECTROMECHANICAL TRANSDUCER FOR ACOUSTIC TELEMETRY SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/07/1992
|
Application #:
|
07605255
|
Filing Dt:
|
10/29/1990
|
|
Title:
|
ACOUSTIC DATA TRANSMISSION THROUGH A DRILLSTRING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/15/1992
|
Application #:
|
07609471
|
Filing Dt:
|
11/05/1990
|
|
Title:
|
ACOUSTIC DATA TRANSMISSION METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/17/1991
|
Application #:
|
07610433
|
Filing Dt:
|
11/07/1990
|
|
Title:
|
ACOUSTIC DATA TRANSMISSION METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/22/1993
|
Application #:
|
07611036
|
Filing Dt:
|
11/08/1990
|
|
Title:
|
METHOD FOR DETERMINING BOREHOLE FLUID INFLUX
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/08/1991
|
Application #:
|
07619172
|
Filing Dt:
|
11/27/1990
|
|
Title:
|
ANALOG CIRCUIT FOR CONTROLLING ACOUSTIC TRANSDUCER ARRAYS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/11/1992
|
Application #:
|
07641690
|
Filing Dt:
|
01/16/1991
|
|
Title:
|
ELECTROMAGNETIC FORMATION EVALUATION TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/28/1992
|
Application #:
|
07642314
|
Filing Dt:
|
01/15/1991
|
|
Title:
|
FORMATION DENSITY LOGGING MWD APPARATUS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/25/1992
|
Application #:
|
07642319
|
Filing Dt:
|
01/15/1991
|
|
Title:
|
METHOD FOR ANALYZING FORMATION DATA FROM A FORMATION EVALUATION MWD LOGGING TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/09/1992
|
Application #:
|
07642320
|
Filing Dt:
|
01/15/1991
|
|
Title:
|
RADIATION DETECTOR ASSEMBLY FOR FORMATION LOGGING APPARATUS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/10/1992
|
Application #:
|
07652887
|
Filing Dt:
|
02/08/1991
|
|
Title:
|
METHOD FOR DETECTION OF INFLUX GAS INTO A MARINE RISER OF AN OIL OR GAS RIG
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/12/1993
|
Application #:
|
07666626
|
Filing Dt:
|
03/08/1991
|
|
Title:
|
MODULAR CONNECTOR FOR MEASUREMENT-WHILE-DRILLING TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/17/1992
|
Application #:
|
07671253
|
Filing Dt:
|
03/18/1991
|
|
Title:
|
MWD TOOL FOR DEEP, SMALL DIAMETER BOREHOLES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/13/1993
|
Application #:
|
07703171
|
Filing Dt:
|
05/20/1991
|
|
Title:
|
VIBRATION MONITORING SYSTEM FOR DRILLSTRING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/21/1993
|
Application #:
|
07703480
|
Filing Dt:
|
05/17/1991
|
|
Title:
|
METHOD OF DECODING MWD SIGNALS USING ANNULAR PRESSURE SIGNALS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/01/1993
|
Application #:
|
07710822
|
Filing Dt:
|
06/05/1991
|
|
Title:
|
APPARATUS FOR NUCLEAR LOGGING EMPLOYING SUB WALL MOUNTED DETECTORS AND MODULAR CONNECTOR ASSEMBLIES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/04/1992
|
Application #:
|
07723455
|
Filing Dt:
|
06/28/1991
|
|
Title:
|
THREAD TIMING FOR A ROTARY SHOULDERED CONNECTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/23/1992
|
Application #:
|
07736397
|
Filing Dt:
|
07/26/1991
|
|
Title:
|
ACOUSTIC DATA TRANSMISSION METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/01/1993
|
Application #:
|
07846523
|
Filing Dt:
|
03/04/1992
|
|
Title:
|
ROTATING PULSE VALVE FOR DOWNHOLE FLUID TELEMETRY SYSTEMS
|
|
