E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

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)
12/2011
12/14/2011	CN102278095A 一种无杆抽油机的自动换向机构 A non-rod pumping automatic reversing mechanism
12/14/2011	CN102278094A 抽油机节能装置 Pumping energy-saving devices
12/14/2011	CN102278093A 导杆式抽油机 Guide rod pumping units
12/14/2011	CN102278073A 一种用于海上注水井的注水管 A sea water injection injection wells
12/14/2011	CN102277147A 用于高温高盐油藏的驱油方法 Flooding method for high temperature and high salinity reservoirs
12/14/2011	CN102277143A 一种油井用w/o/w型活性稠油堵剂及制备方法 One kind of oil to use w / o / w type active heavy blocking agent preparation
12/14/2011	CN101719702B 塔式抽油机用电机及其塔式抽油机 Tower and Tower pumping pumping motor
12/14/2011	CN101418680B 化学法气举解堵工艺 Chemical gas lift plugging process
12/14/2011	CA2742084A1 Foam level sensor
12/13/2011	US8077053 Method and apparatus for sensing a borehole characteristic
12/13/2011	US8076272 Method of making a synthetic alkylaryl sulfonate
12/13/2011	US8076271 Aqueous tackifier and methods of controlling particulates
12/13/2011	US8075813 Tubing expansion
12/13/2011	US8075281 Rotary pressure transfer device
12/13/2011	US8074737 Wireless perforating gun initiation
12/13/2011	US8074332 Method for removing oilfield mineral scale from pipes and tubing
12/13/2011	CA2665266C Producing resources using steam injection
12/13/2011	CA2659239C Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers
12/13/2011	CA2624304C Methods and systems for determining reservoir properties of subterranean formations with pre-existing fractures
12/13/2011	CA2619557C Method for recovery of natural gas from a group of subterranean zones
12/11/2011	CA2707283A1 Viscous oil recovery using electric heating and solvent injection
12/10/2011	CA2743071A1 Submerged combustion heating water evaporation for natural gas wells
12/08/2011	WO2011153466A2 Injection system for enhanced oil recovery
12/08/2011	WO2011153098A1 Liner hanger fluid diverter tool and related methods
12/08/2011	WO2011153022A1 Tenting - over a deepwater oil discharge, tent for deepwater oil containment and off-the shelf quick- response kit
12/08/2011	WO2011153011A2 Compact cable suspended pumping system for lubricator deployment
12/08/2011	WO2011152856A1 Oil recovery
12/08/2011	WO2011151293A2 Well head cover tool and method
12/08/2011	WO2011151051A1 Apparatus and method for sealing a pipe severed at a fracture point
12/08/2011	WO2011151021A2 Device for leading away a material emanating from the seabed and method
12/08/2011	WO2011150486A1 Methods of fracturing with and processing lpg based treatment fluids
12/08/2011	WO2011127411A3 Fluid displacement methods and apparatus for hydrocarbons in subsea production tubing
12/08/2011	US20110299960 Method and System for Offshore Export and Offloading of LPG
12/08/2011	US20110298270 In situ ore leaching using freeze barriers
12/08/2011	US20110297392 Sub-sea chemical injection metering valve
12/08/2011	US20110297391 Compact cable suspended pumping system for dewatering gas wells
12/08/2011	US20110297389 Subsea system
12/08/2011	US20110297387 Integrated Installation Workover Control System
12/08/2011	US20110297383 Proppant
12/08/2011	US20110297382 Process for transporting fracture ("frac") fluid additives to oil and gas wells utilizing ion exchange resin
12/08/2011	US20110297381 Moderation of oil extraction waste environments
12/08/2011	US20110297376 Sand Control Screen Assembly Having Control Line Capture Capability
12/08/2011	US20110297375 Compostion for borehole treatment
12/08/2011	US20110297374 Method for recovering hydrocarbons using cold heavy oil production with sand (chops) and downhole steam generation
12/08/2011	US20110297373 Wellbore strengthening material recovery
12/08/2011	US20110297370 Hydrocarbon production allocation methods and systems
12/08/2011	US20110297369 Windowed Statistical Analysis For Anomaly Detection In Geophysical Datasets
12/08/2011	US20110297367 Manual emergency water pump system
12/08/2011	DE102010031352A1 Sealing unit for sealing mineral oil-borehole in seabed in large water depth, has bubble cap arranged on seabed, and safety valve arranged at penetration point of pipe for closing pipe, where cap has inner area with inlet and outlet valves
12/08/2011	DE102010023551A1 Oil- or gas collecting device for detecting oil- or gas leakage in greater depths in position, and guiding and pumping oil- or gas leakage at upper surface, has tanker, in which oil- or gas leakage is guided in direct manner
12/08/2011	DE102010022478A1 Absaugvorrichtung Suction
12/08/2011	CA2801571A1 Injection system for enhanced oil recovery
12/08/2011	CA2801354A1 Oil recovery
12/08/2011	CA2801144A1 Methods of fracturing with and processing lpg based treatment fluids
12/08/2011	CA2799958A1 Compact cable suspended pumping system for lubricator deployment
12/08/2011	CA2741786A1 Sand control screen assembly having control line capture capability
12/07/2011	EP2392771A2 Variable Flow Resistance System with Circulation Inducing Structure Therein to Variably Resist Flow in a Subterranean Well
12/07/2011	EP2392770A2 Variable Flow Resistance System for Use in a Subterranean Well
12/07/2011	EP2391796A1 Annular barrier and annular barrier system
12/07/2011	EP2158379B1 Expandable centralizer for expandable pipe string
12/07/2011	EP1339811B1 Environmentally acceptable fluid polymer suspension for oil field services
12/07/2011	CN202068288U 磁力柔性自动调速驱动装置 Magnetic flexible automatic speed drives
12/07/2011	CN202066625U 抽油机用液压式载荷检测悬绳装置 Pumping with hydraulic suspension rope load detection device
12/07/2011	CN202065385U 防锈式抽油机刹车鼓 Antirust pumping unit brake drums
12/07/2011	CN202064944U 一种压裂充填防砂模型 Fracturing a filling sand model
12/07/2011	CN202064943U 层内非均质模型水驱油效率评价系统 Heterogeneity within the model water flooding efficiency evaluation system
12/07/2011	CN202064942U 一种组合圆柱筒体近井地带剪切模拟装置 A cylindrical barrel cut near wellbore simulator portfolio
12/07/2011	CN202064941U 一种带有防砂压实砂体的组合圆柱筒体近井地带剪切模拟装置 A sand compacted sand combination of cylindrical barrel near wellbore simulator with shear
12/07/2011	CN202064940U 一种带有三层压实砂体的多级圆柱筒体近井地带模拟装置 A three-compacted sand multistage cylindrical tube with a near wellbore simulator
12/07/2011	CN202064939U 一种带有三层压实砂体的圆台筒体状近井地带模拟装置 A three-compacted sand barrel-shaped round table near wellbore simulator with
12/07/2011	CN202064935U 多点测温井下点火器 Multi-point ignition temperature downhole
12/07/2011	CN202064931U 管束式天然气流量标定装置 Tube bundle gas flow calibration device
12/07/2011	CN202064929U 原油除砂用动态水力旋流器 Crude Desanding dynamic hydrocyclone
12/07/2011	CN202064928U 煤层气多分支水平井系统 CBM multilateral horizontal well system
12/07/2011	CN202064927U 使用井下煤气的地面火力发电厂与地面化工厂 Downhole gas fired power plants and the ground floor plants
12/07/2011	CN202064926U 一种基于水力喷射压裂防涡流冲蚀阀的防冲蚀装置 An anti-vortex based on hydraulic fracturing jet erosion erosion prevention valve device
12/07/2011	CN202064925U 分层压裂固井滑套 Layered sleeve fracturing cementing
12/07/2011	CN202064924U 一种煤矿井下水力压裂设备 One kind of hydraulic fracturing in coal mine equipment
12/07/2011	CN202064923U 压裂管汇 Fracturing manifold
12/07/2011	CN202064922U 丛式井组高低压气井引射采气装置 Cluster well set high and low pressure gas ejector gas production unit
12/07/2011	CN202064921U 一种浅层稠油油藏采油系统 One kind of shallow heavy oil reservoir system
12/07/2011	CN202064920U 稠油水平井分段完井工艺技术管柱 Heavy oil horizontal well completion technology column
12/07/2011	CN202064919U 模拟聚合物溶液剪切的一体式设备 Analog integrated polymer solution shearing equipment
12/07/2011	CN202064918U 一种泡排棒投放装置 Tungara row bar serving device
12/07/2011	CN202064917U 圆孔绕流式水嘴 Streaming around the hole faucets
12/07/2011	CN202064916U 分层注水偏心孔节流水嘴 Stratified injection throttle eccentric hole faucets
12/07/2011	CN202064915U 多层同心恒流注水工艺管柱 Multilayered concentric string constant injection process
12/07/2011	CN202064914U 油田一泵多井独立可调式变量注入装置 A multi-well oil pump independently adjustable variable injection device
12/07/2011	CN202064913U 分层采油控制器 Stratified oil controller
12/07/2011	CN202064912U Uniformly-rotating blockage removing tool for horizontal well
12/07/2011	CN202064911U 高强度注汽热采筛管 High intensity steam injection thermal recovery screen
12/07/2011	CN202064910U 一种防砂管防砂效果及抗堵能力模拟评价装置 A sand tube sand control and anti-blocking ability of anti-simulation evaluation device
12/07/2011	CN202064909U 防沙卡不动管柱一次挤压循环砾石充填工具 Anti Shaka Tubing time pressing cycle gravel pack tool
12/07/2011	CN202064908U 一种天然气水合物三维合成与开采模拟装置 One kind of three-dimensional synthetic and natural gas hydrate exploration simulator
12/07/2011	CN202064907U 双齿条上下平衡无绳抽油机 Cordless Dual rack pumping up and down the balance
12/07/2011	CN202064906U Multifunctional energy-saving oil pumping unit
12/07/2011	CN202064905U 车载天然气压缩机气举排液装置 Car gas compressors gas lift draining devices
12/07/2011	CN202064904U 一种分体式双井抽油机 A separate-type pumping shuangjing
12/07/2011	CN202064903U 柱塞排水采气井下缓冲承接装置 Underground drainage gas piston buffer receiving device
12/07/2011	CN202064902U 一种抽油机远程监控系统 One kind of pumping remote monitoring system

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