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Patent #:
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Issue Dt:
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07/17/1984
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Application #:
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06275280
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Filing Dt:
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06/19/1981
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Title:
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ANNULAR BLOWOUT PREVENTER WITH UPPER AND LOWER SPHERICAL SEALING SURFACES
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Patent #:
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Issue Dt:
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12/20/1983
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Application #:
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06294436
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Filing Dt:
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08/20/1981
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Title:
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MOTION COMPENSATOR WITH IMPROVED POSITION INDICATOR
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Patent #:
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Issue Dt:
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08/28/1984
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Application #:
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06301002
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Filing Dt:
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09/10/1981
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Title:
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CONTROL VALVE AND ELECTRICAL AND HYDRAULIC CONTROL SYSTEM
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Patent #:
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Issue Dt:
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10/25/1983
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Application #:
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06303154
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Filing Dt:
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09/17/1981
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Title:
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LOW SOLIDS WELL SERVICING FLUIDS
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Patent #:
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Issue Dt:
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05/29/1984
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Application #:
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06306209
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Filing Dt:
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09/28/1981
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Title:
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LOGGING TOOL AND METHOD A COMMON DEPTH OF MEASUREMENT
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Patent #:
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Issue Dt:
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12/04/1984
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Application #:
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06320872
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Filing Dt:
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11/13/1981
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Title:
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BOREHOLE DRILLING FLUID AND METHOD
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Patent #:
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Issue Dt:
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08/21/1984
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Application #:
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06322728
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Filing Dt:
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11/19/1981
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Title:
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POSITION INDICATOR FOR DRILL STRING COMPENSATOR
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Patent #:
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Issue Dt:
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07/19/1983
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Application #:
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06329350
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Filing Dt:
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12/10/1981
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Title:
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DEFOAMERS FOR AQUEOUS LIQUIDS CONTAINING SOLUBLE ZINC SALTS
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Patent #:
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Issue Dt:
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07/10/1984
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Application #:
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06330242
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Filing Dt:
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12/14/1981
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Title:
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VISCOUS HEAVY BRINES
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Patent #:
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Issue Dt:
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08/30/1983
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Application #:
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06331299
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Filing Dt:
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12/10/1981
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Title:
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PROCESS FOR PREPARING ALKALI METAL SALT OF CARBOXYMETHYL CELLULOSE
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Patent #:
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Issue Dt:
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03/13/1984
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Application #:
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06332652
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Filing Dt:
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12/21/1981
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Title:
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INVER EMULSION WELL SERVINCING FLUIDS
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Patent #:
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Issue Dt:
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04/09/1985
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Application #:
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06338792
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Filing Dt:
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01/11/1982
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Title:
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CONTROL VALVE SYSTEM FOR BLOWOUT PREVENTERS
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Patent #:
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Issue Dt:
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09/18/1984
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Application #:
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06343203
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Filing Dt:
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01/27/1982
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Title:
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VALVE ASSEMBLY AND SEAT
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Patent #:
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Issue Dt:
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01/08/1985
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Application #:
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06345592
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Filing Dt:
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02/04/1982
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Title:
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BOREHOLE INFLUX DETECTOR AND METHOD
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Patent #:
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Issue Dt:
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01/29/1985
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Application #:
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06362672
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Filing Dt:
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03/29/1982
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Title:
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HYDRATED HYDROXYETHYL CELLULOSE COMPOSITIONS
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Patent #:
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Issue Dt:
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08/07/1984
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Application #:
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06387171
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Filing Dt:
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06/10/1982
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Title:
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METHOD FOR EFFECTING SEALS IN EARTH BOREHOLES
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Patent #:
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Issue Dt:
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07/09/1985
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Application #:
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06409491
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Filing Dt:
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08/19/1982
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Title:
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OIL BASED PACKER FLUIDS
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Patent #:
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Issue Dt:
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07/12/1988
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Application #:
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06410095
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Filing Dt:
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08/20/1982
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Title:
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INSTRUMENTS FOR MONITORING THE DIRECTION OF A BOREHOLE
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Patent #:
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Issue Dt:
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08/12/1986
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Application #:
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06439797
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Filing Dt:
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11/08/1982
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Title:
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TRANSFORMER CABLE CONNECTOR
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Patent #:
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Issue Dt:
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01/29/1985
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Application #:
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06441855
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Filing Dt:
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11/15/1982
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Title:
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METHOD FOR DETERMINING OPTIMUM CONCENTRATION OF HYDRATION INHIBITOR FOR CLAYS IN DRILLING FLUIDS
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Patent #:
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Issue Dt:
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08/14/1984
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Application #:
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06458191
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Filing Dt:
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01/17/1983
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Title:
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METHOD OF TREATING WELL SERVICING FLUIDS
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Patent #:
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Issue Dt:
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12/13/1988
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Application #:
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06460461
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Filing Dt:
|
01/24/1983
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Title:
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VALVE FOR DRILLING FLUID TELEMETRY SYSTEMS
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Patent #:
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Issue Dt:
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07/30/1985
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Application #:
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06461649
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Filing Dt:
|
01/27/1983
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Title:
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VALVE LATCH DEVICE FOR DRILLING FLUID TELEMETRY SYSTEMS
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Patent #:
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Issue Dt:
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11/27/1984
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Application #:
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06462464
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Filing Dt:
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01/31/1983
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Title:
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ROTARY SHAFT SEAL
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Patent #:
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Issue Dt:
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05/27/1986
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Application #:
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06462662
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Filing Dt:
|
01/31/1983
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Title:
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ANNULAR ELECTRICAL CONNECTORS FOR DRILL STRING
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Patent #:
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Issue Dt:
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08/20/1985
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Application #:
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06471879
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Filing Dt:
|
03/03/1983
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Title:
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ELECTRICAL RESISTIVITY MEASUREMENT OF A FLOWING DRILLING FLUID USING EDDY CURRENTS GENERATED THEREIN
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Patent #:
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Issue Dt:
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06/24/1986
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Application #:
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06474367
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Filing Dt:
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03/11/1983
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Title:
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FORMATION DENSITY LOGGING USING MULTIPLE DETECTORS AND SOURCES
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Patent #:
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Issue Dt:
|
02/26/1985
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Application #:
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06481809
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Filing Dt:
|
04/04/1983
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Title:
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TENSIONER APPARATUS WITH EMERGENCY LIMIT MEANS
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Patent #:
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|
Issue Dt:
|
04/15/1986
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Application #:
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06483585
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Filing Dt:
|
04/11/1983
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|
Title:
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COMPOSITIONS AND METHOD FOR THICKENING AQUEOUS BRINES
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|
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Patent #:
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|
Issue Dt:
|
12/02/1986
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Application #:
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06489252
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Filing Dt:
|
04/27/1983
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|
Title:
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VALVE ASSEMBLY, SEAT AND SEAL
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|
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Patent #:
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|
Issue Dt:
|
03/11/1986
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Application #:
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06509484
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Filing Dt:
|
06/30/1983
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|
Title:
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SYSTEM FOR CALCULATING FORMATION TEMPERATURES
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Patent #:
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|
Issue Dt:
|
07/23/1985
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Application #:
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06509485
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Filing Dt:
|
06/30/1983
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|
Title:
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HIGH PRESSURE SEAL ASSEMBLY
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Patent #:
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|
Issue Dt:
|
05/20/1986
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Application #:
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06509487
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Filing Dt:
|
06/30/1983
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Title:
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ELECTRONIC NOISE FILTERING SYSTEM
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Patent #:
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Issue Dt:
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08/20/1985
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Application #:
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06509717
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Filing Dt:
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06/30/1983
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Title:
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CORROSION INHIBITION OF AQUEOUS BRINES
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Patent #:
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Issue Dt:
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03/18/1986
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Application #:
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06511494
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Filing Dt:
|
07/07/1983
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Title:
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TRANSFUSION PREPARATION FOR INTRAVENOUS INFUSION
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Patent #:
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Issue Dt:
|
04/16/1985
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Application #:
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06515716
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Filing Dt:
|
07/20/1983
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Title:
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SURVEYING OF BOREHOLES USING SHORTENED NON-MAGNETIC COLLARS
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Patent #:
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Issue Dt:
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09/10/1985
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Application #:
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06531928
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Filing Dt:
|
09/13/1983
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Title:
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SHEAR RAM APPARATUS
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Patent #:
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Issue Dt:
|
11/25/1986
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Application #:
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06595251
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Filing Dt:
|
03/30/1984
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Title:
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SYSTEM FOR MONITORING FORMATION SPONTANEOUS POTENTIAL AND POLARIZATION CONSTANT WHILE DRILLING
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Patent #:
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Issue Dt:
|
01/28/1986
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Application #:
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06595284
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Filing Dt:
|
03/30/1984
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|
Title:
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METHOD FOR OPTIMIZING THE TRIPPING VELOCITY OF A DRILL STRING
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|
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Patent #:
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|
Issue Dt:
|
02/18/1986
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Application #:
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06595320
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Filing Dt:
|
03/30/1984
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|
Title:
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METHOD AND APPARATUS FOR DETERMINING FORMATION PRESSURE
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Patent #:
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|
Issue Dt:
|
12/16/1986
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Application #:
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06595324
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Filing Dt:
|
03/30/1984
|
|
Title:
|
ROTARY ACTING SHEAR VALVE FOR DRILLING FLUID TELEMETRY SYSTEMS
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|
|
|
|
Patent #:
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|
Issue Dt:
|
05/12/1987
|
Application #:
|
06595327
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Filing Dt:
|
03/30/1984
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|
Title:
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SYSTEM FOR ACOUSTIC CALIPER MEASUREMENTS
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|
|
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Patent #:
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|
Issue Dt:
|
03/25/1986
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Application #:
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06599449
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Filing Dt:
|
04/12/1984
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|
Title:
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ETHOXYLATED LIGNITE COMPOSITION AND METHOD OF PREPARING
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Patent #:
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|
Issue Dt:
|
09/02/1986
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Application #:
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06608762
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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 #:
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|
Issue Dt:
|
07/29/1986
|
Application #:
|
06612034
|
Filing Dt:
|
05/18/1984
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|
Title:
|
ANNULAR BLOWOUT PREVENTER WITH UPPER AND LOWER SPHERICAL SEALING SURFACES AND RIGID TRANSLATION ELEMENT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/04/1986
|
Application #:
|
06622694
|
Filing Dt:
|
06/20/1984
|
|
Title:
|
COMPOSITION AND METHOD FOR EFFECTING SEALS IN EARTH BOREHOLES
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/28/1986
|
Application #:
|
06622696
|
Filing Dt:
|
06/20/1984
|
|
Title:
|
VISCOUS HEAVY BRINES
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|
|
|
|
Patent #:
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|
Issue Dt:
|
09/23/1986
|
Application #:
|
06625381
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Filing Dt:
|
06/28/1984
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|
Title:
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NONCONDUCTING THREAD LUBRICANT
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|
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Patent #:
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|
Issue Dt:
|
08/19/1986
|
Application #:
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06625771
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Filing Dt:
|
06/28/1984
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Title:
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ELECTRODE HOLDER USEFUL IN A CORROSION TESTING DEVICE
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Patent #:
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|
Issue Dt:
|
02/25/1986
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Application #:
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06631237
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Filing Dt:
|
07/16/1984
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Title:
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APPARATUS AND METHOD FOR MEASURING VISCOSITY
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Patent #:
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|
Issue Dt:
|
08/11/1987
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Application #:
|
06637971
|
Filing Dt:
|
08/06/1984
|
|
Title:
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METHOD OF INCREASING THE RATE OF HYDRATION OF ACTIVATED HYDROXYETHYL CELLULOSE COMPOSITIONS
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|
|
|
|
Patent #:
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|
Issue Dt:
|
10/06/1987
|
Application #:
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06654186
|
Filing Dt:
|
09/24/1984
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Title:
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METHOD FOR ESTIMATING FORMATION CHARACTERISTICS OF THE EXPOSED BOTTOMHOLE FORMATION
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|
|
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Patent #:
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|
Issue Dt:
|
08/11/1987
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Application #:
|
06654188
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Filing Dt:
|
09/24/1984
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|
Title:
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SELF-ADJUSTING VALVE ACTUATOR
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|
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Patent #:
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|
Issue Dt:
|
07/15/1986
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Application #:
|
06657029
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Filing Dt:
|
10/02/1984
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|
Title:
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METHOD FOR DETERMINING BOREHOLE STRESS FROM MWD PARAMETER AND CALIPER MEASUREMENTS
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|
|
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Patent #:
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|
Issue Dt:
|
11/04/1986
|
Application #:
|
06666874
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Filing Dt:
|
10/31/1984
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|
Title:
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CROWN BLOCK COMPENSATOR
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|
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|
Patent #:
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|
Issue Dt:
|
09/30/1986
|
Application #:
|
06707427
|
Filing Dt:
|
03/01/1985
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|
Title:
|
CONTROL VALVE SYSTEM FOR BLOWOUT PREVENTERS
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|
|
|
Patent #:
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|
Issue Dt:
|
08/25/1987
|
Application #:
|
06707969
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Filing Dt:
|
03/04/1985
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|
Title:
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CROWN BLOCK COMPENSATOR
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Patent #:
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|
Issue Dt:
|
10/07/1986
|
Application #:
|
06709547
|
Filing Dt:
|
03/08/1985
|
|
Title:
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LIQUID POLYMER CONTAINING COMPOSITIONS FOR THICKENING AQUEOUS MEDIUMS
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|
|
|
|
Patent #:
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|
Issue Dt:
|
03/08/1988
|
Application #:
|
06712556
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Filing Dt:
|
03/15/1985
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|
Title:
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DATA PROCESSING FILTERING METHOD AND APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
10/06/1987
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Application #:
|
06734963
|
Filing Dt:
|
05/16/1985
|
|
Title:
|
SYSTEM FOR SIMULTANEOUS GAMMA-GAMMA FORMATION DENSITY LOGGING WHILE DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/10/1987
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Application #:
|
06750097
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Filing Dt:
|
06/28/1985
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|
Title:
|
FLOWMETER
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|
|
|
|
Patent #:
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|
Issue Dt:
|
03/24/1987
|
Application #:
|
06771411
|
Filing Dt:
|
08/30/1985
|
|
Title:
|
WATER-BASED DRILLING FLUIDS HAVING ENHANCED FLUID LOSS CONTROL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/22/1987
|
Application #:
|
06779740
|
Filing Dt:
|
09/24/1985
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|
Title:
|
DOWN-HOLE DEVICES FOR IMPARTING ROTARY MOTION
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|
|
|
Patent #:
|
|
Issue Dt:
|
05/05/1987
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Application #:
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06790342
|
Filing Dt:
|
10/23/1985
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|
Title:
|
METHOD AND APPARATUS FOR BOTTOM HOLE MEASUREMENT
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|
Patent #:
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|
Issue Dt:
|
05/31/1988
|
Application #:
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06824186
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Filing Dt:
|
01/30/1986
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|
Title:
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METHOD DETERMINING FORMATION DIP
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Patent #:
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|
Issue Dt:
|
03/29/1988
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Application #:
|
06828392
|
Filing Dt:
|
02/11/1986
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|
Title:
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METHOD OF CONTROLLING THE DIRECTION OF A DRILL BIT IN A BOREHOLE
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Patent #:
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|
Issue Dt:
|
06/02/1987
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Application #:
|
06847946
|
Filing Dt:
|
04/03/1986
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|
Title:
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LIQUID POLYMER CONTAINING COMPOSITIONS FOR THICKENING AQUEOUS SYSTEMS
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|
Patent #:
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|
Issue Dt:
|
09/22/1987
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Application #:
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06854367
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Filing Dt:
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04/21/1986
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Title:
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ASSEMBLIES FOR SUPPORTING ELECTRICAL CIRCUIT BOARDS WITHIN TUBES AND METHOD OF USING SAME
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Patent #:
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Issue Dt:
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07/26/1988
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Application #:
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06866781
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Filing Dt:
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05/23/1986
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Title:
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TENSIONER RECOIL CONTROL APPARATUS
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Patent #:
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Issue Dt:
|
02/16/1988
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Application #:
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06891748
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Filing Dt:
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07/31/1986
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Title:
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SPEED CONTROL VALVE
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Patent #:
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Issue Dt:
|
12/01/1987
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Application #:
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06891773
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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:
|
02/09/1988
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Application #:
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06915519
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Filing Dt:
|
10/06/1986
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Title:
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TRANSLOADER
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Patent #:
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Issue Dt:
|
07/19/1988
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Application #:
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06918838
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Filing Dt:
|
10/14/1986
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Title:
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DISPERSIBLE HYDROPHILIC POLYMER COMPOSITIONS FOR USE IN VISCOSIFYING HEAVY BRINES
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Patent #:
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Issue Dt:
|
09/13/1988
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Application #:
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06922859
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Filing Dt:
|
10/24/1986
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|
Title:
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VARIABLE RAM SEAL FOR BLOWOUT PREVENTERS
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Patent #:
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Issue Dt:
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11/10/1987
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Application #:
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06930999
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Filing Dt:
|
11/14/1986
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Title:
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FORMATION DENSITY LOGGING WHILE DRILLING
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Patent #:
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Issue Dt:
|
04/05/1988
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Application #:
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06948020
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Filing Dt:
|
12/31/1986
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Title:
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METHOD AND APPARATUS FOR COMMUNICATING WITH DOWNHOLE MEASUREMENT-WHILE-DRILLING EQUIPMENT WHEN SAID EQUIPMENT IS ON THE SURFACE
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Patent #:
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Issue Dt:
|
01/16/1990
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Application #:
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07004107
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Filing Dt:
|
01/16/1987
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Title:
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LOGGING APPARATUS AND METHOD
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Patent #:
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Issue Dt:
|
06/07/1988
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Application #:
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07010684
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Filing Dt:
|
02/04/1987
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|
Title:
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APPARATUS FOR DYNAMICALLY MEASURING FLUID LOSS CHARACTERISTICS
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|
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Patent #:
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Issue Dt:
|
11/15/1988
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Application #:
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07036170
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Filing Dt:
|
04/06/1987
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Title:
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DRILL STEM LOGGING WITH ELECTROMAGNETIC WAVES AND ELECTROSTATICALLY-SHIELDED AND INDUCTIVELY-COUPLED TRANSMITTER AND RECEIVER ELEMENTS
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|
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Patent #:
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Issue Dt:
|
08/08/1989
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Application #:
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07098286
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Filing Dt:
|
09/18/1987
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|
Title:
|
ASSEMBLIES FOR SUPPORTING ELECTRICAL CIRCUIT BOARDS WITHIN TUBES
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|
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Patent #:
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|
Issue Dt:
|
02/14/1989
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Application #:
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07100912
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Filing Dt:
|
09/25/1987
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|
Title:
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METHOD OF PREDICTING AND CONTROLLING THE DRILLING TRAJECTORY IN DIRECTIONAL WELLS
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Patent #:
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Issue Dt:
|
06/04/1991
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Application #:
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07135140
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Filing Dt:
|
12/18/1987
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|
Title:
|
OIL-BASED WELL BORE FLUIDS AND GELLANTS THEREFOR
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|
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Patent #:
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|
Issue Dt:
|
11/14/1989
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Application #:
|
07156831
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Filing Dt:
|
02/17/1988
|
|
Title:
|
APPARATUS FOR DRILLING A CURVED BOREHOLE
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|
|
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Patent #:
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|
Issue Dt:
|
12/20/1988
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Application #:
|
07161227
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Filing Dt:
|
02/17/1988
|
|
Title:
|
DENSITY NEUTRON SELF-CONSISTENT CALIPER
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|
|
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Patent #:
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|
Issue Dt:
|
07/10/1990
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Application #:
|
07183695
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Filing Dt:
|
04/19/1988
|
|
Title:
|
METHOD AND APPARATUS FOR OPTIMIZING THE RECEPTION PATTERN OF THE ANTENNA OF A PROPAGATING ELECTROMAGNETIC WAVE LOGGING TOOL
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|
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Patent #:
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|
Issue Dt:
|
12/29/1992
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Application #:
|
07220996
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Filing Dt:
|
07/13/1988
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|
Title:
|
ELECTRICAL CONNECTOR HAVING ELECTRICALLY CONDUCTIVE ELASTOMER COVERED BY INSULATING ELASTOMER
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|
|
|
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Patent #:
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|
Issue Dt:
|
09/05/1989
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Application #:
|
07243904
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Filing Dt:
|
09/13/1988
|
|
Title:
|
LOGGING APPARATUS AND METHOD
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|
