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1997
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Invention
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Method of performing well drilling operations with a foamable drilling fluid. A foamable drilling... |
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Invention
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Resilient well cement compositions and methods. The present invention provides resilient cement c... |
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Invention
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Methods of retarding cementitious compositions. The present invention provides set retarding addi... |
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Invention
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Downhole tool apparatus and method of limiting packer element extrusion. An improved downhole too... |
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Invention
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System and method for performing inversion on lwd resistivity logs with enhanced resolution. An i... |
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Invention
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Linear indexing apparatus with selective porting. A linear indexing tool is operably supportable ... |
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Invention
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Apparatus and methods for use in cementing a casing string within a well bore. The present invent... |
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Invention
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Sand control screen assembly having an adjustable flow rate and associated methods of completing ... |
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Invention
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Well cementing inflation packer tools and methods. The present invention provides an improved cem... |
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Invention
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High temperature, high pressure retrievable packer. In a retrievable packer adapted for service u... |
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1996
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Invention
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Early evaluation system with pump and method of servicing a well. An early evaluation system with... |
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Invention
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Linear indexing apparatus and methods of using same. A linear indexing apparatus and associated m... |
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Invention
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Bidirectional disappearing plug. A bidirectional disappearing plug member and plug assembly is ca... |
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Invention
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Well casing fill apparatus and methods. Improved well casing fill apparatus and methods for filli... |
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Invention
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Subsurface release cementing plug apparatus and methods. The present invention provides an improv... |
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Invention
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Well cementing plug assemblies and methods. An improved well cementing plug assembly adapted to b... |
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Invention
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Methods of completing wells utilizing wellbore equipment positioning apparatus. Methods of comple... |
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Invention
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Unconsolidated formation stimulation with sand filtration. The present invention provides methods... |
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Invention
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Latch and release perforating gun connector and method. A perforating gun connector is provided f... |
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Invention
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Elastomeric grouting of subsurface conduits. The present invention provides methods of grouting a... |
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Invention
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Set retarded cementing compositions and methods. The present invention provides set retarding add... |
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Invention
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Well stabilization tools and methods. The present invention relates to tools and methods for stab... |
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Invention
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Hybrid capsule charge. An improved capsule-type charge for use in perforating high temperature pr... |
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Invention
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Inflation packer method and apparatus. An inflation packer method and apparatus comprising at inf... |
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Invention
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Well completion spacer fluids and methods. A well completion spacer fluid is provided which is pa... |
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Invention
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Fluid commingling chamber for nitrogen processing unit. An improved commingling chamber for the d... |
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Invention
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Determination of horizontal resistivity of formations utilizing induction-type logging measuremen... |
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Invention
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Method of testing the lifeline of coiled tubing. To test coiled tubing, at least one test is perf... |
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Invention
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Cementitious well drilling fluids and methods. The present invention provides cementitious well d... |
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Invention
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Tubing guide with optimized profile and offset. An apparatus for guiding and directing tubing int... |
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Invention
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Coiled tubing pulling tool. An improved coiled tubing pulling tool and methods of using the pulli... |
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Invention
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Apparatus for downhole injection and mixing of fluids into a cement slurry. An apparatus for down... |
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Invention
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Floating apparatus for well casing. Floating apparatus for well casing including a check valve di... |
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Invention
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Metal-to-metal seal assembly for oil and gas well production apparatus. A metal-to-metal seal ass... |
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Invention
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Fluid loss device. The fluid loss device is deactivated by forcing the plug through the fluid los... |
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Invention
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Well perforator isolation apparatus and method. Disclosed is an improved apparatus and method for... |
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Invention
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Methods of preventing well cement stress failure. Improved methods of cementing in a well are pro... |
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Invention
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Apparatus and methods of preventing screen collapse in gravel packing operations. A gravel packin... |
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1995
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Invention
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Methods of forming insulated pipeline bundles. Methods of forming highly insulated pipeline bundl... |
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Invention
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Composition and method for controlling precipitation when acidizing wells. A composition and meth... |
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Invention
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Foamable drilling fluid and methods of use in well drilling operations. A foamable drilling fluid... |
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Invention
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Differential pressure test/bypass valve and method for using the same. A well tool apparatus (40)... |
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Invention
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Tubing injector apparatus with tubing guide strips. A tubing injector apparatus for guiding coile... |
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Invention
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Screen and bypass arrangement for lwd tool turbine. A logging-while-drilling tool for use in a we... |
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Invention
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Coiled tubing apparatus. The apparatus and method for injecting coiled tubing downhole includes a... |
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Invention
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Coiled tubing deployed inflatable stimulation tool. A resettable well stimulation tool is lowerab... |
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1975
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G/S
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CHEMICAL COMPOSITION TO REMOVE PARAFFIN AND OTHER UNDESIRABLE ORGANIC DEPOSITS FROM TUBULAR GOODS... |
