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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US403902614 Jul 19762 Ago 1977Otis Engineering CorporationKickover tool
US40733413 May 197614 Feb 1978Del Norte Technology, Inc.Acoustically controlled subsurface safety valve system
US455497230 Abr 198426 Nov 1985Otis Engineering CorporationWell tool locking device
US47654037 Dic 198423 Ago 1988Apparatus for placing and removing well flow control devices
US513708515 Jun 199011 Ago 1992Ot's Engineering CorporationSide pocket mandrel
US550734816 Nov 199416 Abr 1996Scientific Drilling InternationalApparatus for locking wire line instrument to drill collar
US578512521 Oct 199628 Jul 1998TIW CorporationMechanical thru-tubing centralizer
US60680155 Feb 199930 May 2000Camco International Inc.Sidepocket mandrel with orienting feature
US628000020 Nov 199828 Ago 2001Method for production of gas from a coal seam using intersecting well bores
US635752319 Nov 199919 Mar 2002CDX Gas, LLCDrainage pattern with intersecting wells drilled from surface
US64125563 Ago 20002 Jul 2002CDX Gas, Inc.Cavity positioning tool and method
US642544830 Ene 200130 Jul 2002CDX Gas, L.L.P.Method and system for accessing subterranean zones from a limited surface area
US643932020 Feb 200127 Ago 2002CDX Gas, LLCWellbore pattern for uniform access to subterranean deposits
US645400024 Oct 200024 Sep 2002CDX Gas, LLCCavity well positioning system and method
US647808520 Feb 200112 Nov 2002CDX Gas, LLPSystem for accessing subterranean deposits from the surface
US656128820 Jun 200113 May 2003CDX Gas, LLCMethod and system for accessing subterranean deposits from the surface
US657523515 Abr 200210 Jun 2003CDX Gas, LLCSubterranean drainage pattern
US657525513 Ago 200110 Jun 2003CDX Gas, LLCPantograph underreamer
US659192213 Ago 200115 Jul 2003CDX Gas, LLCPantograph underreamer and method for forming a well bore cavity
US659530117 Ago 200122 Jul 2003CDX Gas, LLCSingle-blade underreamer
US659530217 Ago 200122 Jul 2003CDX Gas, LLCMulti-blade underreamer
US659868624 Ene 200129 Jul 2003CDX Gas, LLCMethod and system for enhanced access to a subterranean zone
US660458015 Abr 200212 Ago 2003CDX Gas, LLCMethod and system for accessing subterranean zones from a limited surface area
US664442213 Ago 200111 Nov 2003CDX Gas, L.L.C.Pantograph underreamer
US666287030 Ene 200116 Dic 2003CDX Gas, L.L.C.Method and system for accessing subterranean deposits from a limited surface area
US66689187 Jun 200230 Dic 2003CDX Gas, L.L.C.Method and system for accessing subterranean deposit from the surface
US667932226 Sep 200220 Ene 2004CDX Gas, LLCMethod and system for accessing subterranean deposits from the surface
US668185519 Oct 200127 Ene 2004CDX Gas, L.L.C.Method and system for management of by-products from subterranean zones
US66883887 Jun 200210 Feb 2004CDX Gas, LLCMethod for accessing subterranean deposits from the surface
US670876412 Jul 200223 Mar 2004CDX Gas, L.L.C.Undulating well bore
US672245219 Feb 200220 Abr 2004CDX Gas, LLCPantograph underreamer
US672592212 Jul 200227 Abr 2004CDX Gas, LLCRamping well bores
US673279220 Feb 200111 May 2004CDX Gas, LLCMulti-well structure for accessing subterranean deposits
US684850831 Dic 20031 Feb 2005CDX Gas, LLCSlant entry well system and method
US685147917 Jul 20028 Feb 2005CDX Gas, LLCCavity positioning tool and method
US694203011 Feb 200413 Sep 2005CDX Gas, LLCThree-dimensional well system for accessing subterranean zones
US696221631 May 20028 Nov 2005CDX Gas, LLCWedge activated underreamer
US696429820 Ene 200415 Nov 2005CDX Gas, LLCMethod and system for accessing subterranean deposits from the surface
US69643088 Oct 200215 Nov 2005CDX Gas, LLCMethod of drilling lateral wellbores from a slant well without utilizing a whipstock
US697653315 Ago 200320 Dic 2005CDX Gas, LLCMethod and system for accessing subterranean deposits from the surface
US697654716 Jul 200220 Dic 2005CDX Gas, LLCActuator underreamer
US698151219 Ago 20033 Ene 2006Dana CorporationTubular flow conduit with in-line integrated check valve and method of making same
US69863882 Abr 200317 Ene 2006CDX Gas, LLCMethod and system for accessing a subterranean zone from a limited surface area
US69885483 Oct 200224 Ene 2006CDX Gas, LLCMethod and system for removing fluid from a subterranean zone using an enlarged cavity
US699104712 Jul 200231 Ene 2006CDX Gas, LLCWellbore sealing system and method
US699104812 Jul 200231 Ene 2006CDX Gas, LLCWellbore plug system and method
US70077587 Feb 20057 Mar 2006CDX Gas, LLCCavity positioning tool and method
US702513712 Sep 200211 Abr 2006CDX Gas, LLCThree-dimensional well system for accessing subterranean zones
US702515418 Dic 200211 Abr 2006CDX Gas, LLCMethod and system for circulating fluid in a well system
US70365841 Jul 20022 May 2006CDX Gas, L.L.C.Method and system for accessing a subterranean zone from a limited surface area
US704804930 Oct 200123 May 2006CDX Gas, LLCSlant entry well system and method
US707359512 Sep 200211 Jul 2006CDX Gas, LLCMethod and system for controlling pressure in a dual well system
US709000914 Feb 200515 Ago 2006CDX Gas, LLCThree-dimensional well system for accessing subterranean zones
US710068717 Nov 20035 Sep 2006CDX Gas, LLCMulti-purpose well bores and method for accessing a subterranean zone from the surface
US71344945 Jun 200314 Nov 2006CDX Gas, LLCMethod and system for recirculating fluid in a well system
US716306326 Nov 200316 Ene 2007CDX Gas, LLCMethod and system for extraction of resources from a subterranean well bore
US718215721 Dic 200427 Feb 2007CDX Gas, LLCEnlarging well bores having tubing therein
US72073905 Feb 200424 Abr 2007CDX Gas, LLCMethod and system for lining multilateral wells
US720739530 Ene 200424 Abr 2007CDX Gas, LLCMethod and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
US721364414 Oct 20038 May 2007CDX Gas, LLCCavity positioning tool and method
US722267027 Feb 200429 May 2007CDX Gas, LLCSystem and method for multiple wells from a common surface location
US726404821 Abr 20034 Sep 2007CDX Gas, LLCSlot cavity
US729986422 Dic 200427 Nov 2007CDX Gas, LLCAdjustable window liner
US735387721 Dic 20048 Abr 2008CDX Gas, LLCAccessing subterranean resources by formation collapse
US73605958 May 200222 Abr 2008CDX GAS, LLCMethod and system for underground treatment of materials
US737398422 Dic 200420 May 2008CDX Gas, LLCLining well bore junctions
US741922314 Ene 20052 Sep 2008CDX Gas, LLCSystem and method for enhancing permeability of a subterranean zone at a horizontal well bore
US743462027 Mar 200714 Oct 2008CDX Gas, LLCCavity positioning tool and method
US757177131 May 200511 Ago 2009CDX Gas, LLCCavity well system