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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
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US415541026 Jun 197822 May 1979Brinadd CompanyMethod for correcting lost circulation
US587342027 May 199723 Feb 1999Air and mud control system for underbalanced drilling
US628000020 Nov 199828 Ago 2001Method for production of gas from a coal seam using intersecting well bores
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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
US659868624 Ene 200129 Jul 2003CDX Gas, LLCMethod and system for enhanced access to a subterranean zone
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US66689187 Jun 200230 Dic 2003CDX Gas, L.L.C.Method and system for accessing subterranean deposit from the surface
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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
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
US694203011 Feb 200413 Sep 2005CDX Gas, LLCThree-dimensional well system for accessing subterranean zones
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
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
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
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
US751680310 Feb 200614 Abr 2009Air injection collar
US757177131 May 200511 Ago 2009CDX Gas, LLCCavity well system
US812786610 Abr 20096 Mar 2012Air injection collar

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