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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US396571328 May 197429 Jun 1976Deep Oil Technology, Inc.Method and apparatus for laying continuous pipe
US41425969 Sep 19776 Mar 1979The Bendix CorporationDrive link permitting feed and rotation of drills of various sizes
US441762415 Ene 198129 Nov 1983Conoco Inc.Method and apparatus for controlling the flow of fluids from an open well bore
US458506118 Oct 198329 Abr 1986Hydra-Rig IncorporatedApparatus for inserting and withdrawing coiled tubing with respect to a well
US461298414 Feb 198523 Sep 1986Apparatus for the running and pulling of wire-line tools and the like in an oil or gas well
US468265722 Sep 198628 Jul 1987Method and apparatus for the running and pulling of wire-line tools and the like in an oil or gas well
US484845527 Nov 198718 Jul 1989Flexible drill rod feeding apparatus for quick rotary deep drilling
US530999026 Jul 199110 May 1994Hydra-Rig, IncorporatedCoiled tubing injector
US55473148 Jun 199520 Ago 1996Marathon Oil CompanyOffshore system and method for storing and tripping a continuous length of jointed tubular conduit
US57947033 Jul 199618 Ago 1998CTES, L.C.Wellbore tractor and method of moving an item through a wellbore
US597520721 Nov 19972 Nov 1999Method and apparatus for handling drill pipe in a deviated well
US608246124 Jun 19984 Jul 2000CTES, L.C.Bore tractor system
US608932325 May 199918 Jul 2000CTES, L.C.Tractor system
US608948924 Dic 199818 Jul 2000Coflexip Stena Offshore LimitedPipeline storage
US617376930 Abr 199816 Ene 2001Hydra Rig, Inc.Universal carrier for grippers in a coiled tubing injector
US625039515 May 200026 Jun 2001Apparatus system and method for installing and retrieving pipe in a well
US637862723 Sep 199730 Abr 2002Intelligent Inspection CorporationAutonomous downhole oilfield tool
US64396184 May 199827 Ago 2002Weatherford/Lamb, Inc.Coiled tubing connector
US65083112 Oct 200021 Ene 2003Apparatus, system and method for installing and retrieving pipe in a well
US684581925 Mar 200225 Ene 2005Schlumberger Technology CorporationDown hole tool and method
US718221223 Jul 200427 Feb 2007IHC Gusto Engineering B.V.Floating lifting device
US748128020 Jun 200527 Ene 20091243939 Alberta Ltd.Method and apparatus for conducting earth borehole operations using coiled casing
USRE4341016 Ene 200329 May 2012Varco I/P, Inc.Universal carrier for grippers in a coiled tubing injector