| 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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| 01/27/2011 | US20110017453 Wellbore subassembly with a perforating gun |
| 01/27/2011 | US20110017451 Pit and related covered filter tube |
| 01/27/2011 | US20110017450 Method for making gravel filters in oil wells |
| 01/27/2011 | US20110017449 System and method for enhanced oil recovery with a once-through steam generator |
| 01/27/2011 | US20110017445 Method and Device for Making Lateral Openings out of a Wellbore |
| 01/27/2011 | CA2797934A1 Bottom hole assembly with ported completion and methods of fracturing therewith |
| 01/27/2011 | CA2768865A1 Apparatus and method for coupling conduit segments |
| 01/27/2011 | CA2768754A1 Flow control screen tube for use in oil recovery process |
| 01/27/2011 | CA2768279A1 Method for inducing fracture complexity in hydraulically fractured horizontal well completions |
| 01/27/2011 | CA2761686A1 Separating device for tubular flow-through devices |
| 01/27/2011 | CA2746522A1 Bottom hole assembly with ported completion and methods for fracturing therewith |
| 01/27/2011 | CA2711628A1 System and method for enhanced oil recovery with a once-through steam generator |
| 01/27/2011 | CA2711329A1 Bottom hole assembly with ported completion and methods of fracturing therewith |
| 01/26/2011 | EP2278120A1 Method for integrated enhanced oil recovery from heterogeneous reservoirs |
| 01/26/2011 | EP2276909A2 Method of perforating for effective sand plug placement in horizontal wells |
| 01/26/2011 | CN201723963U Belt protective device of beam-pumping unit |
| 01/26/2011 | CN201723216U Two-probe pressure gauge |
| 01/26/2011 | CN201723211U Energy-saving oil extraction controller |
| 01/26/2011 | CN201723210U Flow regulating device for water blending well in oilfield |
| 01/26/2011 | CN201723209U Watering process combination wellhead |
| 01/26/2011 | CN201723208U Chain type oil pumping machine |
| 01/26/2011 | CN201723207U Linear driving pumping unit for oil well of oilfield |
| 01/26/2011 | CN201723206U Tower type walking-beam-free oil sucking machine |
| 01/26/2011 | CN201723205U Swabbing rubber cylinder body |
| 01/26/2011 | CN201723198U Two-way opening pressure differential sliding sleeve |
| 01/26/2011 | CN201723197U Adjustable constant-flow intelligent stopper |
| 01/26/2011 | CN201723164U Bound sealing ring |
| 01/26/2011 | CN1878929B Non-linear Gather can propellant perforating bombs, gun and method for forming non-circular perforation |
| 01/26/2011 | CN101960086A A method and device for making lateral openings out of a wellbore |
| 01/26/2011 | CN101959992A Systems and methods for producing oil and/or gas |
| 01/26/2011 | CN101956548A Coal bed methane multi-branch horizontal well system and modification method thereof |
| 01/26/2011 | CN101956547A Wellsite surface equipment system |
| 01/26/2011 | CN101956546A Method for improving crossing-hole gas extraction concentration |
| 01/26/2011 | CN101956545A Skid-mounted integrated movable water injection device |
| 01/26/2011 | CN101956544A Method for oil extraction in multi-bottom and multi-branch well by artesian injection |
| 01/26/2011 | CN101955450A Petroleum sulfonate composition, preparation method and application thereof |
| 01/26/2011 | CN101476485B Large coal bed gas recovery apparatus set |
| 01/25/2011 | US7875720 Antiscaling agents; the monomer N-allyl-4-(2-N',N'-dimethylaminoethoxy)naphthalimide, methyl sulfate quaternary salt |
| 01/25/2011 | US7875575 Compositions and methods for water and gas shut-off in subterranean wells with VES fluids |
| 01/25/2011 | US7875574 hydraulic fracturing of subterranean formations; particles are elastically flexible or plastically compressible, creating partial monolayer |
| 01/25/2011 | US7874368 Insertable progressive cavity pump systems and methods of pumping a fluid with same |
| 01/25/2011 | US7874367 Low clearance downhole pump |
| 01/25/2011 | US7874366 Providing a cleaning tool having a coiled tubing and an electrical pump assembly for cleaning a well |
| 01/25/2011 | US7874365 Methods and devices for treating multiple-interval well bores |
| 01/25/2011 | US7874363 Method for terminating or reducing water flow in a subterranean formation |
| 01/25/2011 | US7874360 Methods for improving low-quality proppant and method of using low-quality proppant in subterranean operations |
| 01/25/2011 | US7874350 Reducing the energy requirements for the production of heavy oil |
| 01/25/2011 | CA2626487C Expandable liner hanger with bypass |
| 01/25/2011 | CA2623365C Integrated pumping system for use in pumping a variety of fluids |
| 01/25/2011 | CA2604236C Self-conforming screen |
| 01/25/2011 | CA2599977C Use of coated proppant to minimize abrasive erosion in high rate fracturing operations |
| 01/25/2011 | CA2574130C Tubing connection arrangement |
| 01/25/2011 | CA2566449C System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants |
| 01/25/2011 | CA2558701C Method and apparatus for hanging tubulars in wells |
| 01/25/2011 | CA2504988C Tubular expansion fluid production assembly and method |
| 01/25/2011 | CA2498914C Expandable anchor |
| 01/25/2011 | CA2483839C Thickened acid composition and uses thereof |
| 01/25/2011 | CA2432442C Hydrophilic polymer concentrates |
| 01/25/2011 | CA2426911C Tracking of particulate flowback in subterranean wells |
| 01/24/2011 | CA2710906A1 Wellbore subassembly with a perforating gun |
| 01/22/2011 | CA2710078A1 Hydrocarbon recovery method |
| 01/21/2011 | CA2709451A1 Environmental compositions and methods for well treatment |
| 01/20/2011 | WO2011008998A2 Method and apparatus for a downhole gas generator |
| 01/20/2011 | WO2011008929A2 Apparatus and method for controlling flow of solids into wellbores using filter media containing an array of three-dimensional elements |
| 01/20/2011 | WO2011008908A2 Expansion system for expandable tubulars |
| 01/20/2011 | WO2011008835A2 Downhole intervention |
| 01/20/2011 | WO2011008834A2 Production riser |
| 01/20/2011 | WO2011008639A2 Subterranean valve operated by string relative movement |
| 01/20/2011 | WO2011008592A2 Perforating and fracturing system |
| 01/20/2011 | WO2011008544A2 Wellbore laser operations |
| 01/20/2011 | WO2011008522A2 System and method for intermittent gas lift |
| 01/20/2011 | WO2011008391A2 Lift wash-through facility |
| 01/20/2011 | WO2011008184A1 Method for developing mineral deposits |
| 01/20/2011 | WO2011008103A1 Subsea drainage system |
| 01/20/2011 | WO2011007172A2 Process |
| 01/20/2011 | WO2011007084A1 Oil pipe suspension device, and installation method |
| 01/20/2011 | WO2011006220A1 Gas lift nozzle valve |
| 01/20/2011 | WO2010137989A3 "heat transport dead leg" |
| 01/20/2011 | WO2010129792A3 Internally supported perforating gun body for high pressure operations |
| 01/20/2011 | WO2010123886A3 Method and apparatus to enhance oil recovery in wells |
| 01/20/2011 | WO2010120967A3 Tool and method for abrasive formation of openings in downhole structures |
| 01/20/2011 | WO2010118294A3 Apparatus and for the recovery of hydrocarbonaceous and additional products from oil/ tar sands |
| 01/20/2011 | WO2010118151A3 Well screen with drainage assembly |
| 01/20/2011 | WO2009118512A3 Method of perforating for effective sand plug placement in horizontal wells |
| 01/20/2011 | US20110014064 Hydraulic oil well pumping apparatus |
| 01/20/2011 | US20110011643 Perforating and fracturing system |
| 01/20/2011 | US20110011596 Wellbore drilled and equipped for in-well rigless intervention esp |
| 01/20/2011 | US20110011595 Modeling of Hydrocarbon Reservoirs Using Design of Experiments Methods |
| 01/20/2011 | US20110011592 Pulse fracturing device and method |
| 01/20/2011 | US20110011591 Temporary fluid diversion agents for use in geothermal well applications |
| 01/20/2011 | US20110011590 Use of autonomous (self-adjusting) valves in injectors in oil production |
| 01/20/2011 | US20110011589 Well Service Compositions for Consolidation of Particulates in Subterranean Coal Seams |
| 01/20/2011 | US20110011587 Device for the dynamic under balance and dynamic over balance perforating in a borehole |
| 01/20/2011 | US20110011586 Sand control screen assembly and method for use of same |
| 01/20/2011 | US20110011585 Apparatus and Method for Controlling Flow of Solids Into Wellbores Using Filter Media Containing an Array of Three-Dimensional Elements |
| 01/20/2011 | US20110011584 Produced water disposal |
| 01/20/2011 | US20110011582 In situ combustion with multiple staged producers |
| 01/20/2011 | US20110011581 System and Method for Servicing a Wellbore |
| 01/20/2011 | DE102009033463A1 Hot acid rock geothermal method involves producing carbonated solution from carbon dioxide and water or vapor, where solution is introduced through hole in geothermal relevant depth |
| 01/20/2011 | CA2821405A1 Wellbore laser operations |