| 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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| 06/14/2012 | US20120145397 Geothermal energy production |
| 06/14/2012 | US20120145390 Single component neutrally buoyant proppant |
| 06/14/2012 | US20120145389 Well screens having enhanced well treatment capabilities |
| 06/14/2012 | US20120145388 In Situ Process to Recover Methane Gas from Hydrates |
| 06/14/2012 | US20120145387 Compositions and Methods for Servicing Subterranean Wells |
| 06/14/2012 | US20120145386 Method for recycling deoiled water using counterflow falling-film evaporators |
| 06/14/2012 | US20120145385 Downhole Fluid Flow Control System and Method Having Direction Dependent Flow Resistance |
| 06/14/2012 | US20120145376 System, Method And Apparatus For Enhancing Wellbore Treatment Fluid Flexibility |
| 06/14/2012 | DE112009003542T5 Verbesserte Wärmeübertragung durch elektrische Tauchpumpe Improved heat transfer by electric submersible pump |
| 06/14/2012 | CA2821003A1 Enhanced oil recovery screening model |
| 06/14/2012 | CA2820942A1 A method to improve reservoir simulation and recovery from fractured reservoirs |
| 06/13/2012 | EP2462314A1 Multiple well treatment fluid distribution and control system and method |
| 06/13/2012 | EP2462312A2 Electrical penetrator assembly |
| 06/13/2012 | EP1836375B1 System for power supply to subsea installations |
| 06/13/2012 | CN202273668U 一种深层火驱采油抽汲管柱 One kind of deep thermal EOR swabbing string |
| 06/13/2012 | CN202273667U 一种火驱无缆式电点火管柱 One kind of fire flooding untethered electric ignition column |
| 06/13/2012 | CN202273666U 一种无卡瓦封气采油一体化抽汲管柱 A non-slip seal integrated gas oil pumping column |
| 06/13/2012 | CN202273665U 一种二氧化碳溶解气驱岩心洗油仪 One carbon dioxide dissolved gas drive core wash oil tester |
| 06/13/2012 | CN202273664U 一种深层火驱采油举升管柱 One kind of deep thermal EOR lifting column |
| 06/13/2012 | CN202273663U 井下分离式接箍和喷嘴水力混合器 Separate downhole hydraulic couplings and nozzle mixer |
| 06/13/2012 | CN202273662U 过热蒸汽生成装置及具有该装置的驱油物理模拟实验装置 Superheated steam generating device and flooding physics simulation apparatus having the device |
| 06/13/2012 | CN202273661U 超低渗井多层合采控制器 Ultra-low permeability wells commingling controller |
| 06/13/2012 | CN202273660U 一种能投起防退防砂井下节流器 One kind of defense can throw back from the sand downhole choke |
| 06/13/2012 | CN202273659U 可调式抽油机平衡块移动装置 Adjustable pumping weights mobile devices |
| 06/13/2012 | CN202273658U 抽油机驱动轮微调装置 Pumping wheels tuning device |
| 06/13/2012 | CN202273657U 双滑轮结构配重箱 Double pulley structure with heavy boxes |
| 06/13/2012 | CN202273656U 导向轮的微调装置 Trimming device guide wheels |
| 06/13/2012 | CN202273655U 抽油机门座 Pumping portal |
| 06/13/2012 | CN202273654U 一种火烧油层生产井密闭捞油系统 One kind of burning oil wells producing oil closed fishing system |
| 06/13/2012 | CN202273587U 钻孔射流式煤层割缝系统 Drilling jet coal slotting system |
| 06/13/2012 | CN1930361B A method and operation device for establishing a drilling of an underground well, and arranging dilatable shell or sand sieve and well completion pipe in the drilling |
| 06/13/2012 | CN102498299A Liquid pump apparatus and method |
| 06/13/2012 | CN102498259A Downhole intervention |
| 06/13/2012 | CN102498258A Production riser |
| 06/13/2012 | CN102493833A Depressurized extraction method for cutting through roof or floor of coal seam by abrasive water jet |
| 06/13/2012 | CN102493831A Method for extracting coal seam gas through ground fracturing and underground horizontal drill holes |
| 06/13/2012 | CN102493800A Euler obtaining method for perforating charge performance parameter |
| 06/13/2012 | CN102493796A Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water |
| 06/13/2012 | CN102493795A Method for gasification fracturing of liquid nitrogen in hydrocarbon reservoirs |
| 06/13/2012 | CN102493794A Coal bed methane exploring method of spraying gas-water mixed liquid to drill well and forming quincunx radial horizontal well |
| 06/13/2012 | CN102493793A Method for preparing polymer solution for displacement of reservoir oil in oil field by membrane softening technology |
| 06/13/2012 | CN102493792A Energetic perforating bullet holder for oil and gas well |
| 06/13/2012 | CN102493791A Abrasive material jet injection device |
| 06/13/2012 | CN102493790A Method for increasing yield of coal bed gas |
| 06/13/2012 | CN102493789A Lower roll oil pumping unit |
| 06/13/2012 | CN102493788A Method of gas recovery by water drainage for high-coal-rank coal-bed methane well |
| 06/13/2012 | CN102493787A Method for analyzing and preventing eruption disaster caused by hydrate thermal decomposition |
| 06/13/2012 | CN102493784A Drillable ball injection sliding sleeve for oil-gas well staged fracturing |
| 06/13/2012 | CN102493778A Instrument for plugging central hole of eccentric water distributor |
| 06/13/2012 | CN102492409A Complex biological oil displacement agent and application thereof |
| 06/13/2012 | CN101545366B An underwater mining method and its devices |
| 06/13/2012 | CN101302928B Oil tube conveying gun perforation electric energy safe detonation system |
| 06/13/2012 | CA2761477A1 System and method for operating multiple valves |
| 06/12/2012 | US8200072 Temperature limited heaters for heating subsurface formations or wellbores |
| 06/12/2012 | US8198220 Wellbore treatment compositions comprising hydrophilically modified polymers and nonionic surfactants |
| 06/12/2012 | US8196667 Submersible pumping system |
| 06/12/2012 | US8196663 Dead string completion assembly with injection system and methods |
| 06/12/2012 | US8196662 Surfactant based viscoelastic fluids and methods of using the same |
| 06/12/2012 | US8196661 Method for providing a preferential specific injection distribution from a horizontal injection well |
| 06/12/2012 | US8196660 Method and apparatus to treat well stimulation fluids in-situ |
| 06/12/2012 | US8196659 Multifunctional particles for downhole formation treatments |
| 06/12/2012 | US8196658 Irregular spacing of heat sources for treating hydrocarbon containing formations |
| 06/12/2012 | US8196657 Electrical submersible pump assembly |
| 06/12/2012 | US8196655 Selective placement of conformance treatments in multi-zone well completions |
| 06/12/2012 | US8196653 Well screens constructed utilizing pre-formed annular elements |
| 06/12/2012 | CA2703319C Operating wells in groups in solvent-dominated recovery processes |
| 06/12/2012 | CA2692531C Method for treatment of underground reservoirs |
| 06/12/2012 | CA2631565C Profile control apparatus and method for production and injection wells |
| 06/12/2012 | CA2629390C Flow switchable check valve |
| 06/12/2012 | CA2594603C Method of using an orientation mule shoe to enter a previously-installed tubular in a lateral |
| 06/12/2012 | CA2533424C System for sealing a space in a wellbore |
| 06/09/2012 | CA2760312A1 In situ process to recover methane gas from hydrates |
| 06/09/2012 | CA2759359A1 Ultra-sound enhanced centrifugal separation of oil from oily solids in water and wastewater |
| 06/07/2012 | WO2012075145A1 Interpolymer crosslinked gel and method of using |
| 06/07/2012 | WO2012074836A2 Removable insert for formation of a recess in a tubular by expansion |
| 06/07/2012 | WO2012074767A2 Perforating safety system and assembly |
| 06/07/2012 | WO2012074614A1 Double hydraulic fracturing methods |
| 06/07/2012 | WO2012074607A1 Automatic bypass for esp pump suction deployed in a pbr in tubing |
| 06/07/2012 | WO2012074510A1 Method for enhanced oil recovery from carbonate reservoirs |
| 06/07/2012 | WO2012072981A2 Fracture characterisation |
| 06/07/2012 | WO2012072720A1 Method and system for radially expanding a tubular element |
| 06/07/2012 | WO2012071667A1 Production tubing and pump driver control lines combination for suspending progressive cavity pump and pump driver in a production assembly |
| 06/07/2012 | WO2012041955A3 Drill pipe |
| 06/07/2012 | WO2012032410A3 Process for recovery of processing liquids |
| 06/07/2012 | WO2012025805A3 Delivery of particulate material below ground |
| 06/07/2012 | WO2012016267A3 Well water pump |
| 06/07/2012 | WO2011145059A3 Deep underwater oil leak containment system and containment and convective transfer vessel |
| 06/07/2012 | WO2011126617A3 Tubular embedded nozzle assembly for controlling the flow rate of fluids downhole |
| 06/07/2012 | WO2011114152A3 Wireless auxiliary monitoring and control system for an underwater installation |
| 06/07/2012 | WO2011100748A3 Unlimited downhole fracture zone system |
| 06/07/2012 | US20120141206 Capture and storage installation for hydrocarbons escaping an underwater well |
| 06/07/2012 | US20120138316 Enhanced oil recovery systems and methods |
| 06/07/2012 | US20120138314 Method and system for radially expanding a tubular element |
| 06/07/2012 | US20120138308 Apparatus and Methods for Enhanced Well Control in Slim Completions |
| 06/07/2012 | US20120138307 Integrated production manifold and multiphase pump station |
| 06/07/2012 | US20120138303 Methods of Providing Fluid Loss Control or Diversion |
| 06/07/2012 | US20120138302 Device and method for well stimulation |
| 06/07/2012 | US20120138298 Methods and apparatus for wellbore construction and completion |
| 06/07/2012 | US20120138296 High solids content slurries and methods |
| 06/07/2012 | US20120138295 Well Bore Operations Using Reactive Proppant |