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Patent #:
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Application #:
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05200401
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05338503
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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07/17/1979
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Application #:
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05881484
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Filing Dt:
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02/27/1978
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Title:
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PISTON ACTUATED WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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07/03/1979
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Application #:
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05929154
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Filing Dt:
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07/31/1978
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Title:
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METHOD OF AND APPARATUS FOR MEASURING BOTTOM HOLE WELL PRESSURE
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Patent #:
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Issue Dt:
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08/05/1980
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Application #:
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06002650
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Filing Dt:
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01/11/1979
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Title:
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LOCKOUT FOR A WELL INJECTION VALVE
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Patent #:
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Issue Dt:
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12/16/1980
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Application #:
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06023061
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Filing Dt:
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03/23/1979
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Title:
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MULTIPLE FLOW VALVES AND SIDEPOCKET MANDREL
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Patent #:
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Issue Dt:
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02/24/1981
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Application #:
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06027207
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Filing Dt:
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04/05/1979
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Title:
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PISTON ACTUATED WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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02/03/1981
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Application #:
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06033596
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Filing Dt:
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04/27/1979
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Title:
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EXTERNALLY ADJUSTED SPRING ACTUATED WELL VALVE
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Patent #:
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Issue Dt:
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03/10/1981
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Application #:
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06078112
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Filing Dt:
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09/24/1979
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Title:
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WELL LOCKING DEVICE
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Patent #:
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Issue Dt:
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03/09/1982
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Application #:
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06079280
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Filing Dt:
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05/27/1979
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Title:
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VOID-FREE ELECTRICAL CONDUCTOR FOR POWER CABLES AND PROCESS FOR MAKING SAM
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Patent #:
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Issue Dt:
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06/16/1981
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Application #:
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06120439
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Filing Dt:
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02/11/1980
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Title:
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ANNULAR FLOW CONTROL SAFETY VALVE
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Patent #:
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Issue Dt:
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04/28/1981
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Application #:
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06129454
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Filing Dt:
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03/11/1980
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Title:
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HYDRAULIC SET AND STRAIGHT PULL RELEASE WELL PACKER
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Patent #:
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Issue Dt:
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01/18/1983
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Application #:
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06183117
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Filing Dt:
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09/02/1980
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Title:
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SUBSURFACE CONDUIT SETTING AND PULLING TOOL
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Patent #:
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Issue Dt:
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09/21/1982
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Application #:
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06189370
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Filing Dt:
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09/22/1980
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Title:
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DRILL BIT AND METHOD OF MANUFACTURE
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Patent #:
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Issue Dt:
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06/29/1982
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Application #:
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06207161
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Filing Dt:
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11/17/1980
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Title:
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MECHANICAL TUBING ANCHOR
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Patent #:
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Issue Dt:
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02/15/1983
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Application #:
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06214069
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Filing Dt:
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12/08/1980
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Title:
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FLUID DISPLACEMENT WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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12/07/1982
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Application #:
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06226295
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Filing Dt:
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01/19/1981
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Title:
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TUBING RETRIEVABLE VARIABLE SETTING DIFFERENTIAL PRESSURE ACTUATED WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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06/12/1984
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Application #:
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06259182
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Filing Dt:
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04/30/1981
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Title:
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DRILL BIT AND METHOD OF METALLURGICAL AND MECHANICAL HOLDING OF CUTTERS IN A DRILL BIT
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Patent #:
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Issue Dt:
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11/15/1983
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Application #:
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06300087
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Filing Dt:
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09/08/1981
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Title:
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APPARATUS FOR MEASURING BOTTOM HOLE WELL CONDITIONS
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Patent #:
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Issue Dt:
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06/05/1984
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Application #:
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06322318
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Filing Dt:
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11/17/1981
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Title:
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METAL-TO-METAL HIGH/LOW PRESSURE SEAL
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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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06440667
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Filing Dt:
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11/10/1982
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Title:
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CONTROL FLUID COMMUNICATION NIPPLE
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Patent #:
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Issue Dt:
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03/19/1985
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Application #:
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06443657
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Filing Dt:
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11/22/1982
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Title:
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DRILL BIT
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Patent #:
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Issue Dt:
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09/03/1985
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Application #:
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06450943
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Filing Dt:
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12/20/1982
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Title:
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METHOD AND APPARATUS OF SEALING THREADED SECTIONS OF A WELL TOOL
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Patent #:
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Issue Dt:
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04/24/1984
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Application #:
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06463462
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Filing Dt:
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02/03/1983
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Title:
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DEEP SET PISTON ACTUATED WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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09/03/1985
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Application #:
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06468668
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Filing Dt:
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02/22/1983
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Title:
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PDC CUTTER AND BIT
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Patent #:
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Issue Dt:
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12/17/1985
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Application #:
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06468669
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Filing Dt:
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02/22/1983
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Title:
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DRAG BIT AND CUTTERS
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Patent #:
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Issue Dt:
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10/16/1984
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Application #:
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06472827
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Filing Dt:
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03/07/1983
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Title:
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GREASE INJECTION CONTROL HEAD HAVING A SPECIFIC GAS TRAP
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Patent #:
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Issue Dt:
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07/03/1984
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Application #:
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06478741
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Filing Dt:
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03/25/1983
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Title:
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SHEARABLE NO GO INSERT FOR A WELL LOCK
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Patent #:
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Issue Dt:
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09/03/1985
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Application #:
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06540080
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Filing Dt:
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10/07/1983
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Title:
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LOCKING ANNULUS SAFETY VALVE
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Patent #:
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Issue Dt:
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08/13/1985
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Application #:
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06565324
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Filing Dt:
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12/27/1983
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Title:
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HYDRAULIC CONTROL FLUID COMMUNICATION NIPPLE
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Patent #:
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Issue Dt:
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06/25/1985
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Application #:
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06565506
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Filing Dt:
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12/27/1983
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Title:
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HYDRAULIC CONTROLLED WELL VALVE
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Patent #:
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Issue Dt:
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05/07/1985
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Application #:
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06571315
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Filing Dt:
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01/16/1984
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Title:
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LOW PROFILE SUBMERSIBLE ELECTRICAL CABLE
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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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06575555
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Filing Dt:
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01/31/1984
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Title:
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DRILL BIT MANUFACTURING METHOD
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Patent #:
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Issue Dt:
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02/18/1986
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Application #:
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06575556
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Filing Dt:
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01/31/1984
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Title:
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DRILL BIT CUTTER
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Patent #:
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Issue Dt:
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02/03/1987
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Application #:
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06578182
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Filing Dt:
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02/08/1984
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Title:
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DRILL BIT AND CUTTER THEREFOR
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Patent #:
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Issue Dt:
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06/10/1986
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Application #:
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06578183
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Filing Dt:
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02/08/1984
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Title:
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DRAG BIT AND CUTTERS
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Patent #:
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Issue Dt:
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11/19/1985
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Application #:
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06584048
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Filing Dt:
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02/27/1984
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Title:
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INTEGRALLY FORMED SIDEPOCKET MANDREL
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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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06587477
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Filing Dt:
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03/08/1984
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Title:
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PISTON ACTUATED HIGH TEMPERATURE WELL PACKER
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Patent #:
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Issue Dt:
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04/23/1985
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Application #:
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06601896
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Filing Dt:
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04/19/1984
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Title:
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FLUID ACTUATED ENERGY CHARGED WELL SERVICE LINE CUTTER
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Patent #:
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Issue Dt:
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06/30/1987
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Application #:
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06612271
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Filing Dt:
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05/21/1984
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Title:
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PRESSURE CHARGED LOW SPREAD SAFETY VALVE
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Patent #:
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Issue Dt:
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09/17/1985
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Application #:
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06624074
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Filing Dt:
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06/25/1984
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Title:
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OFFSET OPEN BORE SIDEPOCKET MANDREL
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Patent #:
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Issue Dt:
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01/28/1986
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Application #:
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06624431
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Filing Dt:
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06/25/1984
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Title:
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HYDRAULICALLY ACTUATED CONTROL FLUID COMMUNICATION NIPPLE
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Patent #:
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Issue Dt:
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07/15/1986
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Application #:
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06638150
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Filing Dt:
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08/06/1984
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Title:
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FLAT SUBMERSIBLE ELECTRICAL CABLE
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Patent #:
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Issue Dt:
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11/11/1986
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Application #:
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06644183
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Filing Dt:
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08/27/1984
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Title:
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BALANCE LINE HYDRAULICALLY OPERATED WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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01/26/1988
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Application #:
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06645574
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Filing Dt:
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08/29/1984
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Title:
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FLUID LEVEL CONTROLLED SAFETY VALVE
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Patent #:
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Issue Dt:
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04/29/1986
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Application #:
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06645575
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Filing Dt:
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08/29/1984
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Title:
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METHOD AND APPARATUS FOR STOPPING WELL PRODUCTION
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Patent #:
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Issue Dt:
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03/25/1986
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Application #:
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06645982
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Filing Dt:
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08/31/1984
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Title:
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NIPPLE PROTECTOR SLEEVE FOR USE IN A WELL CONDUIT
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Patent #:
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Issue Dt:
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05/13/1986
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Application #:
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06655388
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Filing Dt:
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09/27/1984
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Title:
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EXPANDABLE METAL SEAL FOR A WELL TOOL
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Patent #:
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Issue Dt:
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01/07/1986
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Application #:
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06655480
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Filing Dt:
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09/27/1984
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Title:
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PISTON ACTUATED CHEMICAL INJECTION VALVE
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Patent #:
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Issue Dt:
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05/13/1986
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Application #:
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06655481
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Filing Dt:
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09/27/1984
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Title:
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WELL TOOL HAVING A METAL SEAL AND BI-DIRECTIONAL LOCK
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Patent #:
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Issue Dt:
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07/08/1986
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Application #:
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06678125
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Filing Dt:
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12/04/1984
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Title:
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FAIL-SAFE WELL SAFETY VALVE AND METHOD
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Patent #:
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Issue Dt:
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09/03/1985
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Application #:
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06681049
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Filing Dt:
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12/13/1984
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Title:
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SOFT SET AND PULL LATCH AND SETTING TOOL FOR A WELL MEASURING INSTRUMENT
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Patent #:
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Issue Dt:
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06/02/1987
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Application #:
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06693848
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Filing Dt:
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01/25/1985
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Title:
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DRILL BIT AND CUTTER THEREFOR
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Patent #:
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Issue Dt:
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01/28/1986
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Application #:
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06697544
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Filing Dt:
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02/01/1985
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Title:
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SOLENOID ACTUATED WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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04/01/1986
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Application #:
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06702295
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Filing Dt:
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02/15/1985
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Title:
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SUBSURFACE SOLENOID LATCHED SAFETY VALVE
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Patent #:
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Issue Dt:
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07/01/1986
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Application #:
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06702980
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Filing Dt:
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02/19/1985
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Title:
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WELL SUBSURFACE SAFETY VALVE
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Patent #:
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Issue Dt:
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03/11/1986
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Application #:
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06710642
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Filing Dt:
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03/11/1985
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Title:
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METHOD AND APPARATUS FOR LOCKING A SUBSURFACE SAFETY VALVE IN THE OPEN POSITION
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Patent #:
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Issue Dt:
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02/11/1986
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Application #:
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06711706
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Filing Dt:
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03/13/1985
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Title:
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SUBSURFACE WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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07/22/1986
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Application #:
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06713080
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Filing Dt:
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03/18/1985
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Title:
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FLEXIBLE PISTON WELL SAFETY VALVE
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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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06718628
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Filing Dt:
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04/01/1985
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Title:
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REDUNDANT SAFETY VALVE SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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01/12/1988
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Application #:
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06754506
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Filing Dt:
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07/12/1985
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Title:
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ROTARY DRILL BITS
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Patent #:
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Issue Dt:
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10/14/1986
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Application #:
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06759384
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Filing Dt:
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07/26/1985
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Title:
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CONTROL LINE PROTECTOR FOR USE ON A WELL TUBULAR MEMBER
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Patent #:
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Issue Dt:
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04/28/1987
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Application #:
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06763031
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Filing Dt:
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08/06/1985
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Title:
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DRAG TYPE DRILL BIT
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Patent #:
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Issue Dt:
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03/17/1987
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Application #:
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06776065
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Filing Dt:
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09/18/1985
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Title:
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COMBINATION ELECTRICALLY OPERATED SOLENOID SAFETY VALVE AND MEASURING SENSOR
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Patent #:
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Issue Dt:
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04/22/1986
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Application #:
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06776066
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Filing Dt:
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09/13/1985
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Title:
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DUAL METAL SEAL FOR A WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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04/07/1987
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Application #:
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06782783
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Filing Dt:
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10/02/1985
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Title:
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HYDRAULIC ACTUATING MEANS FOR SUBSURFACE SAFETY VALVE
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Patent #:
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Issue Dt:
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12/16/1986
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Application #:
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06789234
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Filing Dt:
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10/18/1985
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Title:
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EQUALIZING MEANS FOR A SUBSURFACE WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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04/28/1987
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Application #:
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06802656
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Filing Dt:
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11/27/1985
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Title:
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FAILSAFE GAS CLOSED SAFETY VALVE
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Patent #:
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Issue Dt:
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08/25/1987
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Application #:
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06809645
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Filing Dt:
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12/16/1985
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Title:
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WELL REVERSE FLOW CHECK VALVE
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Patent #:
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Issue Dt:
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06/30/1987
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Application #:
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06823681
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Filing Dt:
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01/29/1986
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Title:
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DRILL BIT AND CUTTER THEREFOR
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Patent #:
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Issue Dt:
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03/24/1987
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Application #:
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06855194
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Filing Dt:
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04/23/1986
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Title:
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DUMP AND KILL VALVE FOR A SIDEPOCKET MANDREL
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Patent #:
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Issue Dt:
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09/08/1987
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Application #:
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06868916
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Filing Dt:
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05/29/1986
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Title:
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RETRIEVABLE WELL SAFETY VALVE WITH EXPANDABLE EXTERNAL SEALS
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Patent #:
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Issue Dt:
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12/08/1987
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Application #:
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06870075
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Filing Dt:
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06/03/1986
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Title:
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DRILL BIT AND METHOD OF MANUFACTURE
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Patent #:
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Issue Dt:
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06/02/1987
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Application #:
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06871958
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Filing Dt:
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06/09/1986
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Title:
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HIGH TEMPERATURE SUBSURFACE SAFETY VALVE
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Patent #:
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Issue Dt:
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03/01/1988
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Application #:
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06876847
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Filing Dt:
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06/20/1986
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Title:
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ROTARY DRILL BITS
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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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06879137
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Filing Dt:
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06/26/1986
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Title:
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ROTARY DRILL BITS FOR USE IN CORING HOLES IN SUBSURFACE FORMATIONS
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Patent #:
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Issue Dt:
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08/25/1987
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Application #:
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06889539
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Filing Dt:
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07/25/1986
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Title:
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WELL PACKER WITH RELEASABLE HEAD AND METHOD OF RELEASING
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Patent #:
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Issue Dt:
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11/03/1987
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Application #:
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06911832
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Filing Dt:
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09/26/1986
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Title:
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EQUALIZING MEANS FOR A SUBSURFACE WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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02/16/1988
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Application #:
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06915220
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Filing Dt:
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10/03/1986
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Title:
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CIRCULATING KILL VALVE
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Patent #:
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Issue Dt:
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09/22/1987
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Application #:
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06923452
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Filing Dt:
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10/27/1986
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Title:
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METHOD AND APPARATUS OF INJECTING FLUID INTO A WELL CONDUIT BY COIL TUBING
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Patent #:
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Issue Dt:
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02/21/1989
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Application #:
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06924884
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Filing Dt:
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10/30/1986
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Title:
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AN ELECTRICAL CONDUCTOR INSULATED WITH INSULATING AND JACKETING MATERIAL HAVING IMPROVED RESISTANCE TO HOT FLUIDS AND GASES
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Patent #:
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Issue Dt:
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03/28/1989
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Application #:
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06924936
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Filing Dt:
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10/30/1986
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Title:
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AN ELECTRICAL CONDUCTOR INSULATED WITH INSULATING AND JACKETING MATERIAL HAVING IMPROVED PHYSICAL PROPERTIES
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Patent #:
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Issue Dt:
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12/08/1987
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Application #:
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06941671
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Filing Dt:
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12/15/1986
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Title:
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METHOD OF AND APPARATUS FOR INJECTION OF STEAM INTO MULTIPLE WELL ZONES
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Patent #:
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Issue Dt:
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12/01/1987
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Application #:
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06941973
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Filing Dt:
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12/15/1986
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Title:
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VARIABLE FLUID PASSAGEWAY FOR A WELL TOOL
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Patent #:
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Issue Dt:
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01/05/1988
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Application #:
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07002323
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Filing Dt:
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01/12/1987
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Title:
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HYDRAULIC VALVE ACTUATING MEANS FOR SUBSURFACE SAFETY VALVE
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Patent #:
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Issue Dt:
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01/05/1988
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Application #:
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07002350
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Filing Dt:
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01/12/1987
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Title:
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DOUBLE SEATED WELL VALVE
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|
|
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Patent #:
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Issue Dt:
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01/12/1988
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Application #:
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07024950
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Filing Dt:
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03/12/1987
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Title:
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PUMP-OUT PLUG SYSTEM FOR A WELL CONDUIT
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|
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Patent #:
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Issue Dt:
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02/02/1988
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Application #:
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07024957
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Filing Dt:
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03/12/1987
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Title:
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SELF CLOSING EQUALIZING VALVE FOR A SUBSURFACE WELL SAFETY VALVE
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Patent #:
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Issue Dt:
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09/05/1989
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Application #:
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07033072
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Filing Dt:
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03/31/1987
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Title:
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DRILL BIT AND CUTTER THEREFOR
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Patent #:
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Issue Dt:
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09/06/1988
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Application #:
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07098444
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Filing Dt:
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09/18/1987
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Title:
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PIPELINE SAFETY VALVE
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Patent #:
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Issue Dt:
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09/20/1988
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Application #:
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07106466
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Filing Dt:
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10/06/1987
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Title:
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LIQUID LEVEL ACTUATED SLEEVE VALVE
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Patent #:
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Issue Dt:
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08/02/1988
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Application #:
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07126137
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Filing Dt:
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11/27/1987
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Title:
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CHOKE AND KILL CONTROL SYSTEM
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Patent #:
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Issue Dt:
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12/20/1988
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Application #:
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07164697
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Filing Dt:
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03/07/1988
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Title:
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SUBSURFACE WELL SAFETY VALVE WITH HYDRAULIC STRAINER
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|
|
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Patent #:
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Issue Dt:
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09/05/1989
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Application #:
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07202350
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Filing Dt:
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06/06/1988
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Title:
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THREADLESS WELL TOOL AND METHOD OF MAKING
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|
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Patent #:
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Issue Dt:
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07/04/1989
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Application #:
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07205762
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Filing Dt:
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06/13/1988
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Title:
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METHOD AND APPARATUS FOR RECOMPLETING WELLS WITH COIL TUBING
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|
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Patent #:
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Issue Dt:
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06/13/1989
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Application #:
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07242747
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Filing Dt:
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09/09/1988
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Title:
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DUAL HYDRAULIC SAFETY VALVE
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|
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Patent #:
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Issue Dt:
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08/08/1989
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Application #:
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07255818
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Filing Dt:
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10/11/1988
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Title:
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LARGE BORE RETRIEVABLE WELL SAFETY VALVE
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Patent #:
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Issue Dt:
|
09/05/1989
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Application #:
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07268129
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Filing Dt:
|
11/07/1988
|
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Title:
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COIL TUBING FLUID POWER ACTUATING TOOL
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|
|
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Patent #:
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Issue Dt:
|
09/12/1989
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Application #:
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07297274
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Filing Dt:
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01/17/1989
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Title:
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METHOD AND APPARATUS FOR STIMULATING HYDRAULICALLY PUMPED WELLS
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|
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Patent #:
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Issue Dt:
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09/26/1989
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Application #:
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07308485
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Filing Dt:
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02/10/1989
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Title:
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METHOD OF PLUGGING OPENINGS IN WELL CONDUITS
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