Patents
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)
05/2014
05/13/2014US8720555 Self-diverting high-rate water packs
05/13/2014US8720553 Completion assembly and methods for use thereof
05/13/2014US8720552 Tool and method for determining formation parameter
05/13/2014US8720550 Process for enhanced production of heavy oil using microwaves
05/13/2014US8720549 Process for enhanced production of heavy oil using microwaves
05/13/2014US8720548 Process for enhanced production of heavy oil using microwaves
05/13/2014US8720547 Process for enhanced production of heavy oil using microwaves
05/13/2014US8720546 Prevention of biomass aggregation at injection wells
05/13/2014US8720544 Enhanced penetration of telescoping fracturing nozzle assembly
05/13/2014CA2776396C Methods for recovering oil from an oil reservoir
05/13/2014CA2773718C Integrated enhanced oil recovery process
05/13/2014CA2770210C Controlling coal fines in coal bed operations
05/13/2014CA2762502C Methods and compositions for reducing permeability of a subterranean formation
05/13/2014CA2762457C Slickwater fracturing fluid
05/13/2014CA2759159C System and method for dynamically adjusting the center of gravity of a perforating apparatus
05/13/2014CA2600053C Rod-shaped proppants and anti-flowback additives, methods of manufacturing, and methods of use
05/13/2014CA2580911C Seismic explosive system
05/13/2014CA2496860C Microelectromechanical devices
05/09/2014CA2833010A1 Pressure response fracture port tool for use in hydraulic fracturing applications
05/08/2014WO2014070905A1 Systems and methods for analyzing flowback compositions in real time
05/08/2014WO2014070737A1 Spool module
05/08/2014WO2014070599A1 Compositions and methods related to mitigating aluminum and ferric precipitates in subterranean formations after acidizing operations
05/08/2014WO2014070554A1 Apparatus and methods for cooling downhole devices
05/08/2014WO2014070536A1 Passive magnetic ranging for sagd and relief wells via a linearized trailing window kalman filter
05/08/2014WO2014070454A1 Emulsified acid with hydrophobic nanoparticulate for well stimulation
05/08/2014WO2014070380A1 Gravel packing system and method
05/08/2014WO2014070135A1 Subterranean well tools with directionally controlling flow layer
05/08/2014WO2014068471A1 Method for emptying an oil well and system for the implementation of said method
05/08/2014WO2014068369A1 Methods and apparatus for storage and recovery of hydrocarbon fluids
05/08/2014WO2014067992A2 Barrier testing method
05/08/2014WO2014067889A1 System and method for lining a borehole
05/08/2014WO2014067036A1 Derrick-type long-stroke hydraulic pumping unit
05/08/2014WO2013165437A3 Systems and methods for optimal spacing of horizontal wells
05/08/2014WO2013070219A9 Rotational motion-inducing variable flow resistance systems having a sidewall fluid outlet and methods for use thereof in a subterranean formation
05/08/2014US20140128296 Tunable polymeric surfactants for mobilizing oil into water
05/08/2014US20140124220 Mechanically actuated device positioned below mechanically actuated release assembly utilizing j- slot device
05/08/2014US20140124208 Liquified petroleum gas fracturing system
05/08/2014US20140124207 Production Enhancement Method for Fractured Wellbores
05/08/2014US20140124205 Process to fracture a subterranean formation using a chelating agent
05/08/2014US20140124204 Systems and methods for low emission hydrocarbon recovery
05/08/2014US20140124203 Method and apparatus for the downhole injection of superheated steam
05/08/2014US20140124201 Nozzle Selective Perforating Jet Assembly
05/08/2014US20140124200 Oil and Gas Well Proppants Of Silicone-Resin-Modified Phenolic Resins
05/08/2014US20140124199 Tubular Assembly and Method of Deploying A Downhole Device Using A Tubular Assembly
05/08/2014US20140124196 Optimizing enhanced oil recovery by the use of oil tracers
05/08/2014US20140124194 Sagd oil recovery method utilizing multi-lateral production wells and/or common flow direction
05/08/2014US20140123841 Bi-directional shaped charges for perforating a wellbore
05/08/2014DE102012220237A1 Geschirmte Multipaaranordnung als Zuleitung zu einer induktiven Heizschleife in Schweröllagerstättenanwendungen Shielded Multi-pair arrangement as a lead to an inductive heating coil in heavy oil reservoir applications
05/07/2014EP2728111A1 Pressure barrier testing method
05/07/2014EP2728110A1 Well screens having enhanced well treatment capabilities
05/07/2014EP2728108A1 A downhole stimulation system and a drop device
05/07/2014EP2728107A1 An active external casing packer (ECP) for frac operations in oil and gas wells
05/07/2014EP2728106A1 An active external casing packer (ECP) for frac operations in oil and gas wells
05/07/2014EP2728105A1 An active external casing packer (ECP) for frac operations in oil and gas wells
05/07/2014EP2726709A2 Electromagnetically heated thermal flowmeter for wellbore fluids
05/07/2014EP2726705A2 Mobile, modular, electrically powered system for use in fracturing underground formations
05/07/2014EP2726704A2 Well pump with seal section having a labyrinth flow path in a metal bellows
05/07/2014EP2726703A2 Flow control screen assembly having remotely disabled reverse flow control capability
05/07/2014EP2726698A1 Method for removing contaminants from wastewater in hydraulic fracturing process
05/07/2014CN203585202U 一种游梁平衡抽油机自动调整平衡重装置 One kind Walking Beam pumping unit automatically adjusts the counterweight means
05/07/2014CN203584833U 一种大型压裂稳压供液装置 A large, regulated supply of fracturing fluid device
05/07/2014CN203584408U 一种用于游梁式抽油机的微位移示功仪 Micro-displacement dynamometer for beam pumping unit of
05/07/2014CN203584403U 一种防砂筛管测试系统 One kind of sand control screen test system
05/07/2014CN203584398U 高压旋流除砂系统 High pressure system swirling Desanding
05/07/2014CN203584397U 一种地下气化炉 An underground gasifier
05/07/2014CN203584396U 水平井注汽地面模拟试验系统 Horizontal steam injection wells ground simulation test system
05/07/2014CN203584395U 高压气井液体泡排剂加注装置 High pressure gas liquid foaming agent filling apparatus row
05/07/2014CN203584394U 智能注聚合物流量自动测调井下仪 Smart polymer injection flow rate is automatically adjusted downhole measurement instrument
05/07/2014CN203584393U 一种新型插入式联动自调配水器的自调控制仪 A new plug-linked since the deployment of the self-adjusting water control device
05/07/2014CN203584392U 井下可调节可关死同心配水工作筒 Downhole adjustable concentric with water can be shut mandrel
05/07/2014CN203584391U 防垢桥式偏心配水器 Scale bridge eccentric water
05/07/2014CN203584390U 一种可视式智能恒流自控装置 A visual intelligent constant current controlled device
05/07/2014CN203584389U 水平井射孔装置 Horizontal well perforating device
05/07/2014CN203584388U 一种模拟射孔弹以及复合射孔器 An analog perforated shells and composite perforator
05/07/2014CN203584387U 一种新型油气井射孔枪 A new oil and gas well perforating gun
05/07/2014CN203584386U 离分子材料滤砂管 From molecular materials sand filter
05/07/2014CN203584385U 一种双螺旋片导流式井下旋流除砂器 A dual downhole in spiral swirl Desanding
05/07/2014CN203584384U 一种带有挡砂片的井下旋流除砂器 A blank piece of downhole sand with cyclone Desanding
05/07/2014CN203584383U 可调式组合支撑臂 Adjustable support arm combination
05/07/2014CN203584382U 采油环流注采装置 Oil circulation injection and production equipment
05/07/2014CN203584381U 防砂注采装置 Sand injection and production equipment
05/07/2014CN203584380U 抽油机功率平衡调整装置 Pumping power balance adjustment device
05/07/2014CN203584379U 探井试油连续排液装置 Exploratory test oil continuous draining devices
05/07/2014CN203584378U 一种抽油机操作平台 One kind of pumping platform
05/07/2014CN203584377U 抽油机弹性调平衡装置 Pumping elastic tone balancing device
05/07/2014CN203584376U 直驱抽油机 Direct drive pumping units
05/07/2014CN203584375U 一种排液系统 A liquid discharge system
05/07/2014CN203584373U 井下定量连续加药装置及采油设备 Underground quantitative continuous dosing device and production equipment
05/07/2014CN203584369U 电泵采油洗井管柱 Pump oil flushing column
05/07/2014CN203584367U 投球式压裂阀机构 Pitching style fracturing valve mechanism
05/07/2014CN203584346U 堵塞器自动开闭锁投送帽 Automatically open clogged delivery caps lock
05/07/2014CN203581713U 纤维物料卸料器气体出口防纤维泄漏装置 Fiber material discharge gas outlet fiber leak prevention device
05/07/2014CN103781993A 用于含气且低渗透性的煤矿层的开采方法 Mining methods and low permeability gas for coal layer
05/07/2014CN103781991A 在具有可去除度量外材料填充物的裂缝中不均匀地放置支撑剂 Crack measurement having an outer removable filler material in the proppant placed unevenly
05/07/2014CN103781990A 利用地下工具中被感应加热的嵌入颗粒的膨胀加速 Expansion of the underground using the induction heating tool is embedded in the particle acceleration
05/07/2014CN103781989A 多区域压裂完井 Multi-zone fracturing completion
05/07/2014CN103775302A 压裂车及其传动输送系统 Fracturing car and drive delivery system
05/07/2014CN103775058A 一种井筒热损失的确定方法 A method for determining the wellbore heat loss
05/07/2014CN103775054A 防砂层防砂效果评价方法 Anti-sand sand Evaluation Method
05/07/2014CN103775048A 一种确定海上低孔渗储层压裂裂缝高度方法 A method for determining the height of the low porosity and permeability reservoirs offshore fracturing
1 ... 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 ... 642