| 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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| 03/01/2012 | CA2808301A1 Sand control well completion method and apparatus |
| 03/01/2012 | CA2808080A1 Variable flow restrictor for use in a subterranean well |
| 03/01/2012 | CA2807471A1 Plug counter, fracing system and method |
| 02/29/2012 | EP2423431A2 Self-orienting croosover tool |
| 02/29/2012 | EP2423428A1 Sealing system |
| 02/29/2012 | EP2422045A2 Processes and systems for treating oil and gas wells |
| 02/29/2012 | EP2324194B1 Method for extracting bitumen and/or ultra-heavy oil from an underground deposit, associated installation and operating method for said installation |
| 02/29/2012 | CN202153634U 无游梁抽油机用失载保护装置 Beam pumping unit with no loss of load protection device |
| 02/29/2012 | CN202153305U 数字化智能抽油机配套智能控制器 Digital intelligent pumping supporting intelligent controller |
| 02/29/2012 | CN202152816U 一种新型抽油机刹车装置 A new pumping the brakes |
| 02/29/2012 | CN202152676U 一种用于气井在线测量的柱塞装置及柱塞排液采气系统 A plunger device for online measurement of gas and liquid discharge plunger Gas System |
| 02/29/2012 | CN202152675U 旋流高效沉砂器 Grit is efficient cyclone |
| 02/29/2012 | CN202152674U 用于水平井分段压裂酸化的可钻式投球滑套 Staged fracturing for horizontal wells can be drilled formula acidified pitching sleeve |
| 02/29/2012 | CN202152673U Anti-erosion nozzle |
| 02/29/2012 | CN202152672U 细滤割缝筛管 Fine filter slotted screen |
| 02/29/2012 | CN202152671U 气井排液采气用柱塞工具 Gas wells drain plunger tool |
| 02/29/2012 | CN202152670U 水平井分段措施施工管柱 Construction staging measure horizontal wells column |
| 02/29/2012 | CN202152669U 直驱滚筒全平衡抽油机 Direct drive drum full balance Pumping |
| 02/29/2012 | CN202152668U 潜油电机防砂保护器 Sand submersible motor protection |
| 02/29/2012 | CN202152650U 新型液压分离悬绳器 New hydraulic separator hanging rope |
| 02/29/2012 | CN202152643U 多层系开采油井的分层求产测压管柱 Multi-tiered system of exploitation of oil production manometry seeking column |
| 02/29/2012 | CN102365421A Well screen assembly with multi-gage wire wrapped layer |
| 02/29/2012 | CN102364045A Equipment special for exploitation of well and mine salt by solution and exploitation method thereof |
| 02/29/2012 | CN102364044A Double-channel injection and production switching device |
| 02/29/2012 | CN102364043A Reducing crown sheave walking-beam-free oil pumping unit |
| 02/29/2012 | CN102364042A Hydraulically driven oil extraction device for high-inclination well |
| 02/29/2012 | CN102364041A Oil extraction method for establishing oil permeable water stop sieve by filling fusheng sand in horizontal well fracture |
| 02/29/2012 | CN101664624B Mist catcher |
| 02/29/2012 | CN101283160B Heavy wax stimulation diverting agent |
| 02/28/2012 | US8126689 Methods for geomechanical fracture modeling |
| 02/28/2012 | US8124658 Surfactants for tertiary mineral oil extraction based on branched alcohols |
| 02/28/2012 | US8124570 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 02/28/2012 | US8122966 Total in place hydrocarbon recovery by isolated liquid and gas production through expanded volumetric wellbore exposure + |
| 02/28/2012 | US8122965 Methods for development of an offshore oil and gas field |
| 02/28/2012 | US8122961 Apparatus and method for discharging multiple fluids downhole |
| 02/28/2012 | US8122958 Method and device for transferring signals within a well |
| 02/28/2012 | US8122957 Sand control method using porous particulate materials |
| 02/28/2012 | US8122955 Downhole burners for in situ conversion of organic-rich rock formations |
| 02/28/2012 | US8122953 Drainage of heavy oil reservoir via horizontal wellbore |
| 02/28/2012 | US8122948 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 02/28/2012 | CA2580598C System and method for protecting a submersible motor |
| 02/24/2012 | CA2735097A1 A contaminant control system in an evaporative water treating system |
| 02/24/2012 | CA2735069A1 Vapour recovery unit for steam assisted gravity drainage (sagd) system |
| 02/24/2012 | CA2735061A1 An improved water recovery system sagd system utilizing a flash drum |
| 02/23/2012 | WO2012024541A1 Methods and systems for enhanced delivery of thermal energy for horizontal wellbores |
| 02/23/2012 | WO2012024498A2 Wellbore service fluid and methods of use |
| 02/23/2012 | WO2012024496A2 Methods for downhole sampling of tight formations |
| 02/23/2012 | WO2012024490A2 Methods for testing stimulation fluids |
| 02/23/2012 | WO2012024208A2 Blowout preventer with shearing blades and method |
| 02/23/2012 | WO2012024099A1 Water and oil separation system |
| 02/23/2012 | WO2012022315A2 Device for forming a protected region within a body of water and method for constructing a device |
| 02/23/2012 | WO2012022277A1 Method for the emergency limitation of the spread of liquids and gases in bodies of water when leakages occur in underwater pipelines and boreholes |
| 02/23/2012 | WO2011133627A3 Multifunctional particles for downhole formation treatments |
| 02/23/2012 | WO2011087643A3 Steam generator |
| 02/23/2012 | US20120043801 Method and apparatus for creating a planar cavern |
| 02/23/2012 | US20120043800 Method and apparatus for creating a planar cavern |
| 02/23/2012 | US20120043134 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 02/23/2012 | US20120043092 Blapper valve tools and related methods |
| 02/23/2012 | US20120043091 Using Seismic P And S Arrivals To Determine Shallow Velocity Structure |
| 02/23/2012 | US20120043086 Zero-Leakoff Emulsified Acid |
| 02/23/2012 | US20120043085 Wellbore service fluid and methods of use |
| 02/23/2012 | US20120043084 System and method for enhancing coal bed methane recovery |
| 02/23/2012 | US20120043083 Blowout preventer with shearing blades and method |
| 02/23/2012 | US20120043082 Methods and Compositions for Sand Control in Injection Wells |
| 02/23/2012 | US20120043081 Single well steam assisted gravity drainage |
| 02/23/2012 | US20120043079 Sand control well completion method and apparatus |
| 02/23/2012 | US20120043076 Hydraulic actuated pump system |
| 02/23/2012 | US20120043075 Method and assembly for recovering oil using elastic vibration energy |
| 02/23/2012 | US20120043072 Downhole water-oil separation arrangement and method |
| 02/23/2012 | US20120043069 Downhole wireline wireless communication |
| 02/23/2012 | US20120043068 Blowout preventer with shearing blades and method |
| 02/23/2012 | DE102010037116A1 Removing carbon dioxide from gas-containing carbon dioxide used for producing biomass, by obtaining mixture from algae and waters, adjusting photolysis temperature, dewatering biomass, and conveying dewatered biomass into reservoir |
| 02/23/2012 | DE102010034711A1 Transporting and storing hydrogen, comprises introducing hydrogen into natural gas, transporting and/or storing the introduced hydrogen with natural gas as a gas mixture, and determining the hydrogen content of the gas mixture |
| 02/23/2012 | CA2808617A1 Blowout preventer with shearing blades and method |
| 02/23/2012 | CA2808416A1 Methods and systems for enhanced delivery of thermal energy for horizontal wellbores |
| 02/23/2012 | CA2769044A1 Fluid injection device |
| 02/22/2012 | EP2420679A1 Method, arrangement and a computer program product for determining correct running direction a fluid flow generating apparatus |
| 02/22/2012 | EP2419602A1 Downhole draw-down pump and method |
| 02/22/2012 | EP2147190B1 Hydrajet tool for ultra high erosive environment |
| 02/22/2012 | CN202149485U 超临界压力油田注汽发生器补燃式燃烧室冗余冷却装置 Supercritical pressure steam generator afterburning oilfield injection combustion chamber redundant cooling device |
| 02/22/2012 | CN202149484U 超临界压力油田注汽发生器补燃式燃烧室 Supercritical pressure steam generator afterburning oilfield injection combustion chamber |
| 02/22/2012 | CN202149344U Device for oiling steel wire rope of tower frame type pumping unit |
| 02/22/2012 | CN202148961U Single circulation waterway heat recovery system |
| 02/22/2012 | CN202148895U 旋进式井下沉砂器 Precession downhole sand control |
| 02/22/2012 | CN202148894U 天然气计量分离装置 Metering of natural gas separation plant |
| 02/22/2012 | CN202148893U 配水器 Water distribution |
| 02/22/2012 | CN202148892U 自动控制注水装置 Automatic control injection device |
| 02/22/2012 | CN202148891U 防卡式电动定位器 Anti-cassette electric Locator |
| 02/22/2012 | CN202148890U 一种在注水井井口产生压力脉冲的装置 A means for generating pressure pulses in the wellhead injection wells |
| 02/22/2012 | CN202148889U 移动注水装置 Mobile water unit |
| 02/22/2012 | CN202148888U 可调台阶式节流阀 Adjustable stepped throttle |
| 02/22/2012 | CN202148887U 一种用于射孔弹架上的模块装药 Module A bomb racks for perforating charge |
| 02/22/2012 | CN202146834U 一种免清洗注浆泵 A no-clean injection pump |
| 02/22/2012 | CN1985067B 控制颗粒的方法和涂布地下岩层的一部分表面的方法以及控制碎屑颗粒的处理流体 And a method of controlling the particle surface of the coated portion of the subterranean formation, and control of the treatment fluid detrital |
| 02/22/2012 | CN1954944B 形成聚能射孔弹药型罩和聚能射孔弹套的方法 The method of forming a shaped charge liner and ammunition shaped charge liner |
| 02/22/2012 | CN102359391A Coal bed presplitting device |
| 02/22/2012 | CN102359365A Method for extracting oil through injecting high temperature steam into oil layer to initiate hydrothermal exothermic reaction |
| 02/22/2012 | CN102359364A Depressurizing and charging device for oil production well |
| 02/22/2012 | CN102359363A New cold-mining technology for visbreaking thick oil by circulating reinjection of viscosity breaking agent between small well groups |
| 02/22/2012 | CN102359362A Deep-pumping deloading device suitable for thick oil diluting exploration |