|
Total properties:
82
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|
|
|
Patent #:
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|
Issue Dt:
|
01/31/1989
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Application #:
|
06295457
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Filing Dt:
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08/24/1981
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Title:
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MUD PRESSURE CONTROL SYSTEM WITH MAGNETIC TORQUE TRANSFER
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Patent #:
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|
Issue Dt:
|
07/12/1988
|
Application #:
|
06410095
|
Filing Dt:
|
08/20/1982
|
|
Title:
|
INSTRUMENTS FOR MONITORING THE DIRECTION OF A BOREHOLE
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|
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|
Patent #:
|
|
Issue Dt:
|
08/14/1984
|
Application #:
|
06458191
|
Filing Dt:
|
01/17/1983
|
|
Title:
|
METHOD OF TREATING WELL SERVICING FLUIDS
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|
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|
Patent #:
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|
Issue Dt:
|
12/13/1988
|
Application #:
|
06460461
|
Filing Dt:
|
01/24/1983
|
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Title:
|
VALVE FOR DRILLING FLUID TELEMETRY SYSTEMS
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|
Patent #:
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|
Issue Dt:
|
05/20/1986
|
Application #:
|
06509487
|
Filing Dt:
|
06/30/1983
|
|
Title:
|
ELECTRONIC NOISE FILTERING SYSTEM
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|
|
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|
Patent #:
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|
Issue Dt:
|
08/20/1985
|
Application #:
|
06509717
|
Filing Dt:
|
06/30/1983
|
|
Title:
|
CORROSION INHIBITION OF AQUEOUS BRINES
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/10/1986
|
Application #:
|
06582647
|
Filing Dt:
|
02/23/1984
|
|
Title:
|
TUBING-CONVEYED EXTERNAL GAUGE CARRIERS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/28/1986
|
Application #:
|
06595284
|
Filing Dt:
|
03/30/1984
|
|
Title:
|
METHOD FOR OPTIMIZING THE TRIPPING VELOCITY OF A DRILL STRING
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/12/1987
|
Application #:
|
06595327
|
Filing Dt:
|
03/30/1984
|
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Title:
|
SYSTEM FOR ACOUSTIC CALIPER MEASUREMENTS
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|
|
|
|
Patent #:
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|
Issue Dt:
|
09/02/1986
|
Application #:
|
06608762
|
Filing Dt:
|
05/09/1984
|
|
Title:
|
TESTING FOR THE PRESENCE OF NATIVE HYDROCARBONS DOWN A BOREHOLE
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|
|
|
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Patent #:
|
|
Issue Dt:
|
06/23/1987
|
Application #:
|
06671342
|
Filing Dt:
|
11/14/1984
|
|
Title:
|
APPARATUS FOR SIGNALLING WITHIN A BOREHOLE WHILE DRILLING
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/07/1986
|
Application #:
|
06709547
|
Filing Dt:
|
03/08/1985
|
|
Title:
|
LIQUID POLYMER CONTAINING COMPOSITIONS FOR THICKENING AQUEOUS MEDIUMS
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|
|
|
Patent #:
|
|
Issue Dt:
|
01/13/1987
|
Application #:
|
06764167
|
Filing Dt:
|
08/09/1985
|
|
Title:
|
MUD PRESSURE CONTROL SYSTEM
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|
|
|
|
Patent #:
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|
Issue Dt:
|
02/16/1988
|
Application #:
|
06779722
|
Filing Dt:
|
09/24/1985
|
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Title:
|
DEVICES FOR IMPARTING ROTARY MOTION
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|
Patent #:
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|
Issue Dt:
|
12/22/1987
|
Application #:
|
06779740
|
Filing Dt:
|
09/24/1985
|
|
Title:
|
DOWN-HOLE DEVICES FOR IMPARTING ROTARY MOTION
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Patent #:
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|
Issue Dt:
|
05/05/1987
|
Application #:
|
06790342
|
Filing Dt:
|
10/23/1985
|
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Title:
|
METHOD AND APPARATUS FOR BOTTOM HOLE MEASUREMENT
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|
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|
Patent #:
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|
Issue Dt:
|
10/16/1990
|
Application #:
|
06833364
|
Filing Dt:
|
02/25/1986
|
|
Title:
|
NON-CONTACT BOREHOLE CALIBER MEASUREMENT
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|
Patent #:
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|
Issue Dt:
|
09/22/1987
|
Application #:
|
06854367
|
Filing Dt:
|
04/21/1986
|
|
Title:
|
ASSEMBLIES FOR SUPPORTING ELECTRICAL CIRCUIT BOARDS WITHIN TUBES AND METHOD OF USING SAME
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Patent #:
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|
Issue Dt:
|
01/01/1991
|
Application #:
|
06868317
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Filing Dt:
|
05/28/1986
|
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Title:
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METHOD FOR DETERMINING PORE PRESSURE AND HORIZONTAL EFFECTIVE STRESS FROM OVERBURDEN AND EFFECTIVE VERTICAL STRESSES
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Patent #:
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|
Issue Dt:
|
12/01/1987
|
Application #:
|
06891773
|
Filing Dt:
|
07/30/1986
|
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Title:
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METHOD AND SYSTEM FOR MONITORING THE STABILITY OF BOREHOLES
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Patent #:
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Issue Dt:
|
07/19/1988
|
Application #:
|
06918838
|
Filing Dt:
|
10/14/1986
|
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Title:
|
DISPERSIBLE HYDROPHILIC POLYMER COMPOSITIONS FOR USE IN VISCOSIFYING HEAVY BRINES
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Patent #:
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Issue Dt:
|
03/07/1989
|
Application #:
|
07026949
|
Filing Dt:
|
03/17/1987
|
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Title:
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BEARING SLEEVES
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Patent #:
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|
Issue Dt:
|
12/27/1988
|
Application #:
|
07087094
|
Filing Dt:
|
08/19/1987
|
|
Title:
|
APPARATUS FOR SURVEYING A BOREHOLE COMPRISING A MAGNETIC MEASUREMENT PROBE TO BE MOVED WITHING A DRILL PIPE TO A MEASUREMENT POSITION WITHIN A NON-MAGNETIC COLLAR
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Patent #:
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|
Issue Dt:
|
08/08/1989
|
Application #:
|
07098286
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Filing Dt:
|
09/18/1987
|
|
Title:
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ASSEMBLIES FOR SUPPORTING ELECTRICAL CIRCUIT BOARDS WITHIN TUBES
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|
Patent #:
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Issue Dt:
|
07/10/1990
|
Application #:
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07183695
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Filing Dt:
|
04/19/1988
|
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Title:
|
METHOD AND APPARATUS FOR OPTIMIZING THE RECEPTION PATTERN OF THE ANTENNA OF A PROPAGATING ELECTROMAGNETIC WAVE LOGGING TOOL
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Patent #:
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|
Issue Dt:
|
07/18/1989
|
Application #:
|
07253075
|
Filing Dt:
|
10/03/1988
|
|
Title:
|
METHOD OF PREDICTING THE TORQUE AND DRAG IN DIRECTIONAL WELLS
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Patent #:
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|
Issue Dt:
|
11/20/1990
|
Application #:
|
07306538
|
Filing Dt:
|
02/03/1989
|
|
Title:
|
METHOD AND COMPOSITION FOR INHIBITING CORROSION OF FERROUS METALS BY AQUEOUS BRINES
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Patent #:
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|
Issue Dt:
|
12/04/1990
|
Application #:
|
07379614
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Filing Dt:
|
07/13/1989
|
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Title:
|
DOWN-HOLE BEARING ASSEMBLIES
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|
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|
Patent #:
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Issue Dt:
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12/11/1990
|
Application #:
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07422680
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Filing Dt:
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10/17/1989
|
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Title:
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BOREHOLE PRESSURE AND TEMPERATURE MEASUREMENT SYSTEM
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Patent #:
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Issue Dt:
|
08/13/1991
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Application #:
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07530816
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Filing Dt:
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05/30/1990
|
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Title:
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APPARATUS FOR DRILLING A CURVED BOREHOLE
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Patent #:
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|
Issue Dt:
|
09/17/1991
|
Application #:
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07537364
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Filing Dt:
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06/13/1990
|
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Title:
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DOWN-HOLE BEARING ASSEMBLIES
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|
Patent #:
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Issue Dt:
|
09/03/1991
|
Application #:
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07546046
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Filing Dt:
|
06/28/1990
|
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Title:
|
METHOD OF PREDICTING THE TORQUE AND DRAG IN DIRECTIONAL WELLS
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Patent #:
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Issue Dt:
|
11/17/1992
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Application #:
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07589054
|
Filing Dt:
|
09/27/1990
|
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Title:
|
BOREHOLE PRESSURE AND TEMPERATURE MEASUREMENT SYSTEM
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Patent #:
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Issue Dt:
|
10/15/1991
|
Application #:
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07594367
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Filing Dt:
|
10/09/1990
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Title:
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COMPENSATION TECHNIQUE FOR ECCENTERED MWD SENSORS
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Patent #:
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Issue Dt:
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10/08/1991
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Application #:
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07617410
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Filing Dt:
|
11/21/1990
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Title:
|
SURVEYING OF BOREHOLES USING SHORTENED NON-MAGNETIC COLLARS
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Patent #:
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Issue Dt:
|
09/10/1991
|
Application #:
|
07621798
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Filing Dt:
|
12/04/1990
|
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Title:
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DOWN-HOLE PROBE ASSEMBLIES
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Patent #:
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Issue Dt:
|
01/11/1994
|
Application #:
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07715401
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Filing Dt:
|
06/14/1991
|
|
Title:
|
WELL LOGGING METHOD AND APPARATUS PROVIDING MULTIPLE DEPTH OF INVESTIGATION USING MULTIPLE TRANSMITTERS AND SINGLE RECEIVER PAIR HAVING DEPTH OF INVESTIGATION INDEPENDENT OF FORMATION RESISTIVITY
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Patent #:
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Issue Dt:
|
10/27/1992
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Application #:
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07755483
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Filing Dt:
|
09/05/1991
|
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Title:
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TECHNIQUE FOR REDUCING WHIRLING OF A DRILL STRING
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Patent #:
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Issue Dt:
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04/26/1994
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Application #:
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07865120
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Filing Dt:
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04/08/1992
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Title:
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SYSTEM AND METHOD FOR CONTROLLING DRILL BIT USAGE AND WELL PLAN
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Patent #:
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Issue Dt:
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05/17/1994
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Application #:
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07926912
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Filing Dt:
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08/07/1992
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Title:
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DRILL BIT STEERING
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Patent #:
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Issue Dt:
|
02/01/1994
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Application #:
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07956609
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Filing Dt:
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10/05/1992
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Title:
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METHOD FOR CALCULATING SEDIMENTARY ROCK PORE PRESSURE
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Patent #:
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Issue Dt:
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08/02/1994
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Application #:
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07995814
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Filing Dt:
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12/23/1992
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Title:
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DRILL BIT HAVING POLYCRYSTALLINE DIAMOND COMPACT CUTTER WITH SPHERICAL FIRST END OPPOSITE CUTTING END
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Patent #:
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Issue Dt:
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07/19/1994
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Application #:
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08060182
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Filing Dt:
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05/07/1993
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Title:
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DRILL BIT AND OTHER DOWNHOLE TOOLS HAVING ELECTRO-NEGATIVE SURFACES AND SACRIFICIAL ANODES TO REDUCE MUD BALLING
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Patent #:
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Issue Dt:
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02/27/1996
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Application #:
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08113969
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Filing Dt:
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08/30/1993
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Title:
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METHOD AND APPARATUS FOR DETECTING BOUNDARY STRATUM AND ADJUSTING THE DIRECTION OF DRILLING TO MAINTAIN THE DRILL STRING WITH A BED OF INTEREST
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Patent #:
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Issue Dt:
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10/04/1994
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Application #:
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08114534
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Filing Dt:
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08/31/1993
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Title:
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CORING ASSEMBLY AND METHOD
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Patent #:
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Issue Dt:
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02/14/1995
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Application #:
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08156097
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Filing Dt:
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11/22/1993
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Title:
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GROUTING COMPOSITION AND METHOD
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Patent #:
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Issue Dt:
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09/19/1995
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Application #:
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08167672
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Filing Dt:
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12/15/1993
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Title:
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FORMATION DENSITY MEASUREMENT APPARATUS AND METHOD
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Patent #:
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Issue Dt:
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09/05/1995
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Application #:
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08168118
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Filing Dt:
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12/15/1993
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Title:
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DOWNHOLE TOOL
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Patent #:
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Issue Dt:
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05/16/1995
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Application #:
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08184427
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Filing Dt:
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01/21/1994
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Title:
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METHOD AND COMBINATION OF MATERIALS FOR RELEASING A STUCK PIPE
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Patent #:
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Issue Dt:
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04/25/1995
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Application #:
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08190719
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Filing Dt:
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02/01/1994
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Title:
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SYSTEM FOR DRILLING DEVIATED BOREHOLES
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Patent #:
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Issue Dt:
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10/24/1995
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Application #:
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08199243
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Filing Dt:
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05/16/1994
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Title:
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CORE BIT
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Patent #:
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Issue Dt:
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10/03/1995
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Application #:
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08248798
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Filing Dt:
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05/25/1994
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Title:
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FLOOD BARRIER AND A METHOD FOR FORMING A FLOOD BARRIER
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Patent #:
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Issue Dt:
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04/23/1996
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Application #:
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08275893
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Filing Dt:
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07/15/1994
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Title:
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EMF SACRIFICIAL ANODE SUB AND METHOD TO DETER BIT BALLING
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Patent #:
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Issue Dt:
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03/26/1996
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Application #:
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08276137
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Filing Dt:
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07/18/1994
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Title:
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METHOD FOR CONTROLLING THE HEAD OF A DRILLING OR CORE-DRILLING DEVICE AND APPARATUS FOR CARRYING OUT THIS METHOD
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Patent #:
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Issue Dt:
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12/10/1996
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Application #:
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08302714
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Filing Dt:
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06/22/1995
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Title:
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CONTROL OF AT LEAST TWO STABILIZING ARMS IN A DRILL OR CORE DEVICE
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Patent #:
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Issue Dt:
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09/12/1995
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Application #:
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08312260
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Filing Dt:
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09/26/1994
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Title:
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DRILL BIT HAVING CHIP BREAKER POLYCRYSTALLINE DIAMOND COMPACT AND HARD METAL INSERT AT GAUGE SURFACE
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Patent #:
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Issue Dt:
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07/16/1996
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Application #:
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08341547
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Filing Dt:
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02/09/1995
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Title:
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STRAIGHT/DIRECTIONAL DRILLING DEVICE
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Patent #:
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Issue Dt:
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09/24/1996
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Application #:
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08350362
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Filing Dt:
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12/06/1994
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Title:
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METHOD AND APPARATUS FOR IMPROVING DRILL BIT STABILITY
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Patent #:
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Issue Dt:
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10/01/1996
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Application #:
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08424139
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Filing Dt:
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04/17/1995
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Title:
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METHOD AND APPARATUS FOR REDUCING THE VIBRATION AND WHIRLING OF DRILL BITS AND THE BOTTOM HOLE ASSEMBLY IN DRILLING USED TO DRILL OIL AND GAS WELLS
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Patent #:
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Issue Dt:
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02/11/1997
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Application #:
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08427602
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Filing Dt:
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04/24/1995
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Title:
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SYSTEM FOR DRILLING DEVIATED BOREHOLES
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Patent #:
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Issue Dt:
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09/17/1996
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Application #:
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08440584
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Filing Dt:
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05/15/1995
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Title:
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METHOD AND COMBINATION OF MATERIALS FOR RELEASING A STUCK PIPE
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Patent #:
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Issue Dt:
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12/03/1996
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Application #:
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08496504
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Filing Dt:
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06/29/1995
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Title:
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KEYLESS LATCH FOR ORIENTING AND ANCHORING DOWNHOLE TOOLS
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Patent #:
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Issue Dt:
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04/01/1997
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Application #:
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08496775
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Filing Dt:
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06/29/1995
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Title:
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INTERNAL PRESSURE SLEEVE FOR USE WITH EASILY DRILLABLE EXIT PORTS
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Patent #:
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Issue Dt:
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03/11/1997
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Application #:
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08508003
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Filing Dt:
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07/27/1995
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Title:
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FLOOD BARRIER AND A METHOD FOR FORMING A FLOOD BARRIER
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Patent #:
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Issue Dt:
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02/24/1998
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Application #:
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08548225
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Filing Dt:
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10/25/1995
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Title:
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DRILL BIT INSTRUMENTATION AND METHOD FOR CONTROLLING DRILLING OR CORE- DRILLING
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Patent #:
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Issue Dt:
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05/12/1998
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Application #:
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08582832
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Filing Dt:
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01/02/1996
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Title:
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SYSTEM FOR DRILLING DEVIATED BOREHOLES
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Patent #:
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Issue Dt:
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08/12/1997
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Application #:
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08586045
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Filing Dt:
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01/16/1996
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Title:
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EXTENSION AND RETRACTION MECHANISM FOR SUBSURFACE DRILLING EQUIPMENT
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Patent #:
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Issue Dt:
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09/23/1997
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Application #:
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08589827
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Filing Dt:
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01/22/1996
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Title:
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METHOD AND DEVICE FOR DETECTING AND/OR MEASURING AT LEAST ONE GEOPHYSICAL PARAMETER FROM A CORE SAMPLE
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Patent #:
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Issue Dt:
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09/21/1999
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Application #:
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08649097
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Filing Dt:
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05/17/1996
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Title:
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CLAY-FREE BIODEGRADABLE WELLBORE FLUID AND METHOD FOR USING SAME FLUID
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Patent #:
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Issue Dt:
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07/14/1998
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Application #:
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08654984
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Filing Dt:
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05/29/1996
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Title:
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MULTICUT CASING WINDOW MILL AND METHOD FOR FORMING A CASING WINDOW
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Patent #:
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Issue Dt:
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06/09/1998
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Application #:
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08654988
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Filing Dt:
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05/29/1996
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Title:
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SYSTEM AND METHOD FOR PLACEMENT AND RETRIEVAL OF A SUBSURAFACE DIVERTING TOOL USED IN DRILLING AND COMPLETING WELLS
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Patent #:
|
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Issue Dt:
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09/20/2005
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Application #:
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08696986
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Filing Dt:
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03/03/1997
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Title:
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CONNECTION FOR RESILIENT APPLICATION OF TORQUE AND
WEIGHT TO A DRILL BIT
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Patent #:
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|
Issue Dt:
|
07/20/1999
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Application #:
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08742521
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Filing Dt:
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11/01/1996
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Title:
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WATER-BASED DRILLING FLUID FOR USE IN SHALE FORMATIONS
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|
|
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Patent #:
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|
Issue Dt:
|
09/15/1998
|
Application #:
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08781675
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Filing Dt:
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01/10/1997
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|
Title:
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METHOD FOR CONDUCTING MOVING OR ROLLING CHECK SHOT FOR CORRECTING BOREHOLE AZIMUTH SURVEYS
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|
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Patent #:
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|
Issue Dt:
|
01/12/1999
|
Application #:
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08848768
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Filing Dt:
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05/01/1997
|
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Title:
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METHOD FOR DETERMINING SEDIMENTARY ROCK PORE PRESSURE CAUSED BY EFFECTIVE STRESS UNLOADING
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|
|
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Patent #:
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|
Issue Dt:
|
01/26/1999
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Application #:
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08881930
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Filing Dt:
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06/25/1997
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Title:
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DETECTING AND REDUCING BIT WHIRL
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|
|
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Patent #:
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|
Issue Dt:
|
02/08/2000
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Application #:
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09043338
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Filing Dt:
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03/16/1998
|
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Title:
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BOREHOLE SURVEYING
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|
|
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Patent #:
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|
Issue Dt:
|
09/12/2000
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Application #:
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09101480
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Filing Dt:
|
07/14/1998
|
|
Title:
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CORE SAMPLER
|
|
|
|
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Patent #:
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|
Issue Dt:
|
12/12/2000
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Application #:
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09101488
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Filing Dt:
|
07/14/1998
|
|
Title:
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CORE SAMPLER
|
|
|
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Patent #:
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|
Issue Dt:
|
11/14/2000
|
Application #:
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09120652
|
Filing Dt:
|
07/22/1998
|
|
Title:
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AIDED INERTIAL NAVIGATION SYSTEM
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|
|
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Patent #:
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|
Issue Dt:
|
10/12/1999
|
Application #:
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09140953
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Filing Dt:
|
08/27/1998
|
|
Title:
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METHOD FOR DETERMINING SEDIMENTARY ROCK PORE PRESSURE CAUSED BY EFFECTIVE STRESS UNLOADING
|
|
|
|
|
Patent #:
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|
Issue Dt:
|
11/28/2000
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Application #:
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09176180
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Filing Dt:
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10/21/1998
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|
Title:
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DRILLING AND CEMENTING THROUGH SHALLOW WATERFLOWS
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