| Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186) |
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| 04/06/2005 | CN2690621Y Pumping aid |
| 04/06/2005 | CN2690594Y Sang proof oil-gas separator |
| 04/06/2005 | CN2690593Y Oil field layered single stage multiple detection water injector |
| 04/06/2005 | CN2690592Y Thick oil dilution pumping process tubular column |
| 04/06/2005 | CN2690591Y Displacement regulator for electric pump wellhead |
| 04/06/2005 | CN2690590Y Full Closed remote control oil pumping unit control cabinet |
| 04/06/2005 | CN2690589Y Pumping aid |
| 04/06/2005 | CN2690558Y Fracturing string with sand washing pen pin |
| 04/06/2005 | CN2690025Y Integrated oil field producing gluid separating and sewage processing device |
| 04/06/2005 | CN1603575A Oil-gas well perforator interlayer gun |
| 04/06/2005 | CN1603574A Layered pipe column for squeeze packing sand control process |
| 04/06/2005 | CN1603573A Intelligent oil pumping unit with inside driving and reversing motorized pulley |
| 04/06/2005 | CN1603572A Intelligent oil pumping unit with externally installed variable-speed motorized pulley |
| 04/06/2005 | CA2847463A1 Thermally-controlled valves and methods of using the same in a wellbore |
| 04/06/2005 | CA2847322A1 Thermally-controlled valves and methods of using the same in a wellbore |
| 04/06/2005 | CA2797650A1 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore |
| 04/06/2005 | CA2776435A1 Thermally-controlled valves and methods of using the same in a wellbore |
| 04/06/2005 | CA2483371A1 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore |
| 04/05/2005 | US6876959 Method and apparatus for hydraulic fractioning analysis and design |
| 04/05/2005 | US6875351 Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water |
| 04/05/2005 | US6874580 Method for enhancing well productivity |
| 04/05/2005 | US6874579 Creating an underbalance condition in a wellbore |
| 04/05/2005 | US6874577 Water, oil and gas well recovery system |
| 04/05/2005 | US6874361 Distributed flow properties wellbore measurement system |
| 04/05/2005 | CA2235341C Producing well artificial lift system control |
| 04/01/2005 | CA2749586A1 System and method for a combined submersible motor and protector |
| 03/31/2005 | WO2005028810A1 Method for installing and connecting a sub-sea riser |
| 03/31/2005 | WO2005028803A2 Expandable tubular |
| 03/31/2005 | WO2005028589A1 Method and composition for recovering hydrocarbon fluids from a subterranean reservoir |
| 03/31/2005 | WO2005028588A1 Methods and compositions for treating subterranean zones |
| 03/31/2005 | WO2004113670A3 Motors for electric submersible pumps |
| 03/31/2005 | WO2004083591A3 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
| 03/31/2005 | WO2004079146A3 Method of installation of a tension leg platform |
| 03/31/2005 | WO2004074622A3 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 03/31/2005 | WO2004046495A3 Method of treating subterranean formations to enchance hydrocaronproduction using proppants |
| 03/31/2005 | WO2003095788A8 Seafloor/surface connecting installation for a submarine pipeline which is connected to a riser by means of at least one elbow pipe element that is supported by a base |
| 03/31/2005 | US20050070443 Additive for enhanced treatment of oil well contaminants |
| 03/31/2005 | US20050070150 Assembly for connecting a jumper to a subsea structure |
| 03/31/2005 | US20050067170 Zonal isolation using elastic memory foam |
| 03/31/2005 | US20050067165 Method of acidizing a subterranean formation with diverting foam or fluid |
| 03/31/2005 | US20050067161 Treatment of crude oil from a well including extraction of particulates therefrom |
| 03/31/2005 | CA2538753A1 Method and composition for recovering hydrocarbon fluids from a subterranean reservoir |
| 03/30/2005 | EP1519002A1 BOP and separator combination |
| 03/30/2005 | EP1518595A1 Subsea well production flow and separation system |
| 03/30/2005 | EP1518068A1 Reinforced tubular threaded joint for improved sealing after plastic expansion |
| 03/30/2005 | EP1518037A1 Methods of sealing expandable pipe in well bores and sealing compositions |
| 03/30/2005 | CN2688930Y Assembled ceramic plunger of thickened oil thermal extracting pumping unit |
| 03/30/2005 | CN2688929Y Piston body of plunger piston |
| 03/30/2005 | CN2688927Y Salt-proof pumping units |
| 03/30/2005 | CN2688893Y Two-purpose thermal insulative pipe for injecting steam and extracting oil |
| 03/30/2005 | CN2688892Y High-pressure flow self-regulator |
| 03/30/2005 | CN2688891Y Anti-washout high-permeability sand filtering pipes |
| 03/30/2005 | CN2688890Y Long-life sand filtering pipe with side runner |
| 03/30/2005 | CN2688889Y Disassembled stainless steel screening pipes |
| 03/30/2005 | CN2688888Y Squeezing filled sand preventing column without casing pressure |
| 03/30/2005 | CN2688887Y Pneumatic apparatus of rod oil sucker |
| 03/30/2005 | CN2688886Y Electromagnetic heating apparatus for full path of multi-group connected pipes to well bottom |
| 03/30/2005 | CN2688880Y Thermal oil extracting packers |
| 03/30/2005 | CN2688877Y Thermal oil extracting apparatus on well top |
| 03/30/2005 | CN1601083A Oil production method with no pole and oil production system |
| 03/30/2005 | CN1601055A Caterpillar chain stepped type drilling machine |
| 03/30/2005 | CN1601053A Method for measuring and adjusting flux of separated-zone water infection oil field |
| 03/30/2005 | CN1601052A Method of integral throughput in multiple wells for extracting thick oil |
| 03/30/2005 | CN1601051A Bilayered inflatable sand prevention sieve tube filled in advance |
| 03/30/2005 | CN1601050A Pressure release device for oil well |
| 03/30/2005 | CN1601048A Tube pillar in underground for oil extraction by changing multi layers repeatedly and using standing tube pillar, and implementing technique |
| 03/30/2005 | CN1600888A Petroleum casing pipe suitable to development of oil field through water injection and producing method |
| 03/30/2005 | CN1195148C Multiple well interactive autobalance integral intelligent oil pumping unit |
| 03/29/2005 | US6873267 Methods and apparatus for monitoring and controlling oil and gas production wells from a remote location |
| 03/29/2005 | US6873063 Electrical power distribution suitable for a substantially underwater system |
| 03/29/2005 | US6872318 Injecting miro-fine bubbles effective for active in situ ground water remediation for removal of dissolved chlorinated hydrocarbon solvents and dissolved hydrocrbon petroleum products |
| 03/29/2005 | US6872239 Method and a system for separating a mixture |
| 03/29/2005 | US6871707 In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration |
| 03/29/2005 | CA2263970C Pump |
| 03/29/2005 | CA2196385C Shaped charge assembly system |
| 03/29/2005 | CA2108992C Process for reducing hydrate aggregation trend in process effluents |
| 03/24/2005 | WO2005026540A2 Downhole draw down pump and method |
| 03/24/2005 | WO2005026497A1 Subsea compression system and method |
| 03/24/2005 | WO2005026496A1 Hydraulic fracturing |
| 03/24/2005 | WO2005026495A1 Method for producing perforation slots in a capital string and formation drilling method |
| 03/24/2005 | WO2005026395A2 Method for producing cast iron using blast-furnace gases for enhanced oil recovery |
| 03/24/2005 | WO2005005764A3 Spiral tubular tool and method |
| 03/24/2005 | WO2005001231A3 Submersible pump |
| 03/24/2005 | WO2004104560A3 Formation-based interpretation of nmr data for carbonate reservoirs |
| 03/24/2005 | WO2004083593A3 Radial expansion and milling of expandable tubulars |
| 03/24/2005 | WO2004076798A3 Apparatus for radially expanding and plastically deforming a tubular member |
| 03/24/2005 | WO2004069750A3 Recovery of products from oil shale |
| 03/24/2005 | WO2004027201A3 Annular isolators for expandable tubulars in wellbores |
| 03/24/2005 | WO2004020776A3 Well treatment apparatus and method |
| 03/24/2005 | US20050065041 gelled acids for diversion and leakoff control in matrix acidizing and acid fracturing; reducing agents and reducing agent precursors that are less toxic to aquatic species and that leave less residue |
| 03/24/2005 | US20050065040 Methods and compositions for treating subterranean formations using high ionic strength gelling agent polymers |
| 03/24/2005 | US20050065038 comprise water, a water soluble hydrophobically modified gelling agent polymer eg cellulose; increased radiuses of gyration |
| 03/24/2005 | US20050065037 chemical binders selected from high melting point surfactants, waxes, organic acids or polymer blends, used as protective coatings for screens from damage during insertion into wells and once in the well, release reactive materials to react with and degrade potentially plugging materials |
| 03/24/2005 | US20050065036 modifying the permeability to water of a subterranean formation comprising injecting into the formation aqueous alkyl or an alkylene oxide branched polyhydroxyetheramine or a salts |
| 03/24/2005 | US20050064681 Support structure for thinning semiconductor substrates and thinning methods employing the support structure |
| 03/24/2005 | US20050064679 Consolidatable composite materials, articles of manufacture formed therefrom, and fabrication methods |
| 03/24/2005 | US20050061518 Apparatus and method for installing casing in a borehole |
| 03/24/2005 | US20050061517 Method and system for pumping in an oil well |
| 03/24/2005 | US20050061516 Prestaged intermitting process |
| 03/24/2005 | US20050061515 Subsea well production flow system |