| Patents for E21B 28 - Vibration generating arrangements for boreholes or wells, e.g. for stimulating production (888) |
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| 02/24/2015 | CA2817943C Hydraulic actuated pump system |
| 02/24/2015 | CA2662534C Offshore power plant |
| 02/11/2015 | CN104343434A 防止探针棒在钻孔的内部卡合的装置及方法 Apparatus and method for preventing the probe rods fit inside the bore of the card |
| 02/11/2015 | CN104343412A 一种轴向振动脉冲固井方法及其装置 A vibration pulse method and apparatus for cementing axial |
| 02/04/2015 | CN204140022U 油井套管或筛管用自旋转式水力振荡解堵工具 Well casing or screen plugging oscillating tool with a rotary hydraulic self |
| 02/04/2015 | CN104329052A 油井机械波涡流降粘防蜡装置 Well mechanical wave eddy viscosity paraffin devices |
| 02/03/2015 | US8944190 System and method for damping vibration in a drill string |
| 02/03/2015 | US8944167 Multi-zone fracturing completion |
| 01/28/2015 | CN104314481A 钻柱仿生减摩阻方法及自牵引钻具组合 Bionic drillstring friction reduction method since pulling BHA and |
| 01/28/2015 | CN104314471A 基于钻柱振动的井下扭力冲击激励装置 Downhole torque on the drill string vibration impact excitation device |
| 01/28/2015 | CN102913165B 钻井井下涡轮驱动随钻振动器 MWD downhole drilling turbine-driven vibrator |
| 01/27/2015 | US8939200 Tunable hydraulic stimulator |
| 01/27/2015 | CA2621855C Borehole seismic pulse generation using rapid-opening valve |
| 01/21/2015 | CN204113240U 一种用于射孔井段定位及油井解堵的装置 A perforated interval and positioning device for plugging wells |
| 01/21/2015 | CN204113223U 一种振动防蜡降粘油管和振动防蜡降粘抽油系统 A vibration tubing and vibration viscosity paraffin wax viscosity pumping system |
| 01/21/2015 | CN204113222U 一种振动防蜡降粘振动片、装置及抽油杆 A vibration vibration plate viscosity paraffin, plant and sucker |
| 01/21/2015 | CN204113168U 一种用于水平井的耐高温振动工具 High temperature vibration tool for horizontal wells |
| 01/20/2015 | US8936076 Subterranean vibrator with lateral vibration feature |
| 01/14/2015 | CN104278964A 井下涡轮水力振动固井装置 Downhole turbine hydraulic vibration cementing unit |
| 01/01/2015 | US20150000917 Method and system for impact pressure generation |
| 12/31/2014 | CN204060592U 用于降低超重油粘度的流体动力超声波发生装置 Ultrasound is used to reduce excess fluid dynamic viscosity of the oil generating device |
| 12/31/2014 | CN204060591U 用于降低高凝油凝点的流体动力超声波发生装置 Used to reduce the hydrodynamic high pour point oil pour ultrasonic generator |
| 12/24/2014 | CN104234651A 一种用于水平井的耐高温振动工具 High temperature vibration tool for horizontal wells |
| 12/24/2014 | CN104226578A 全自动大功率超声波换能装置 Automatic high-power ultrasonic transducer device |
| 12/10/2014 | CN104196494A 一种振动防蜡降粘油管和振动防蜡降粘抽油系统 A vibration tubing and vibration viscosity paraffin wax viscosity pumping system |
| 12/10/2014 | CN104196493A 一种振动防蜡降粘振动片、装置及抽油杆 A vibration vibration plate viscosity paraffin, plant and sucker |
| 12/10/2014 | CN104196480A 用于降低超重油粘度的流体动力超声波发生装置 Ultrasound is used to reduce excess fluid dynamic viscosity of the oil generating device |
| 12/04/2014 | US20140352947 Stimulation method |
| 11/13/2014 | US20140332206 Stimulation method |
| 11/11/2014 | US8881807 Autonomous apparatus to restore and maintain well productivity and method of using the same |
| 10/21/2014 | US8863835 Variable frequency fluid oscillators for use with a subterranean well |
| 10/16/2014 | US20140305877 Apparatuses and methods for generating shock waves for use in the energy industry |
| 10/02/2014 | WO2013162956A9 Methods and devices for casing and cementing a wellbore |
| 09/18/2014 | WO2014140364A1 Well tool for use in a well pipe |
| 09/18/2014 | WO2014139583A1 Well tool for use in a well pipe |
| 09/17/2014 | EP2776669A1 Downhole dynamics measurements using rotating navigation sensors |
| 08/26/2014 | US8813838 Acoustic generator and associated methods and well systems |
| 08/13/2014 | CN103987912A 增产方法 Yield Methods |
| 08/13/2014 | CN102434121B 井下低频抽汲振动解堵装置及其使用方法 Apparatus and methods of using the low-frequency pumping downhole vibration deplugging |
| 08/07/2014 | WO2013162956A3 Methods and devices for casing and cementing a wellbore |
| 08/07/2014 | US20140216747 Method of using a downhole tool with erosion resistant layer |
| 08/07/2014 | US20140216727 Hydraulic drillstring sound generator |
| 08/06/2014 | CN203756116U 一种振动固井装置 A vibration cementing unit |
| 08/06/2014 | CN103975120A 增产方法 Yield Methods |
| 08/06/2014 | CN103975119A 增产方法 Yield Methods |
| 07/30/2014 | EP2758625A2 Wave-inducing device, casing system and method for cementing a casing in a borehole |
| 07/30/2014 | CN203742539U 振动固井短节装置 Cementing a short section of the vibration device |
| 07/30/2014 | CN103953322A 一种油田增油装置 One kind of oil by the oil installations |
| 07/23/2014 | CN203729928U 一种用于钻柱的安全振动装置 A safe and vibration device for the drill string |
| 07/23/2014 | CN103939044A 一种大功率谐振波-化学复合调驱装置及调驱方法 One kind of high-power resonant wave - apparatus and methods for chemical flooding composite flooding |
| 07/23/2014 | CN102016227B 利用加热流体注入采收资源 Harvest resources by heating fluid injection |
| 07/22/2014 | CA2813113A1 Hydraulic pipe string vibrator |
| 07/10/2014 | WO2014107170A1 Ultrasonic impact treatment for useful life improvement of downhole tools |
| 07/09/2014 | CN203701967U 一种压电陶瓷式声波钻头 A piezoelectric ceramic sonic drill |
| 07/09/2014 | CN103917739A 波诱导设备、套管系统和在井眼中接合套管的方法 The method of wave-induced equipment, systems and casing in the wellbore casing engagement |
| 07/09/2014 | CN103912255A 一种油气井水力振荡压裂工艺 One kind of oil and gas wells fracturing force oscillation |
| 07/08/2014 | US8770313 Impulse generator, hydraulic impulse tool and method for producing impulses |
| 07/02/2014 | CN203685149U 一种井口注气装置 One kind of wellhead gas injection device |
| 06/26/2014 | US20140174726 System and method for providing oscillation downhole |
| 06/25/2014 | CN102758588B 同轴式声频物探钻机振动器 Coaxial audio Geophysical rig vibrator |
| 06/19/2014 | WO2014092854A1 Mechanically assisted fracture initiation |
| 06/12/2014 | WO2014088440A1 A method for applying physical fields of an apparatus in the horizontal end of an inclined well to productive hydrocarbon beds |
| 06/12/2014 | WO2014086969A2 Electrical device for well stimulation |
| 06/11/2014 | CN203640649U 轴向振动器 Axial vibrator |
| 06/11/2014 | CN203640648U 电动潜油往复泵液体脉冲振荡器 Reciprocating electric submersible pump liquid pulse oscillator |
| 06/10/2014 | US8746333 System and method for increasing production capacity of oil, gas and water wells |
| 06/04/2014 | CN203626739U 一种采油井解堵装置 An oil well plugging device mining |
| 05/28/2014 | CN102493768B 高频脉冲射流共振钻井装置及其钻井方法 Resonance frequency pulse jet drilling apparatus and drilling method |
| 05/14/2014 | CN102425372B 振动钻进式冲挖钻机 Vibration punching and drilling rig drilling |
| 05/07/2014 | CN103774993A 一种压电陶瓷式声波钻头 A piezoelectric ceramic sonic drill |
| 05/01/2014 | WO2014066459A2 Vibrator sub |
| 04/30/2014 | CN103758497A Wellhead gas injection device and application method |
| 04/24/2014 | US20140110134 Vibrator sub |
| 04/17/2014 | WO2014058338A1 Method for cementing a well |
| 04/09/2014 | CN203531840U Vibration cementing tool |
| 04/09/2014 | CN203531815U Staged vibrating tool for horizontal well |
| 04/02/2014 | CN203515419U Novel vibration oil recovery device |
| 04/01/2014 | US8684076 Method and apparatus for enhancement of fracture fluid clean-up with periodic shock waves |
| 03/05/2014 | CN103615211A Drill pipe high-frequency vibration resistance-reducing device for petroleum drilling |
| 03/04/2014 | US8662205 System and method for damping vibration in a drill string |
| 02/25/2014 | US8656990 Collection block with multi-directional flow inlets in oilfield applications |
| 02/20/2014 | US20140048283 Pressure pulse well tool |
| 02/19/2014 | CN203441411U Inline type eccentric wheel vibration mechanism |
| 02/12/2014 | CN103573203A Paraffin control viscosity reduction sound wave vibrator |
| 02/06/2014 | WO2014021736A1 Method for electromagnetic action on a downhole space during the recovery of hydrocarbon material |
| 01/29/2014 | CN103547767A Vortex controlled variable flow resistance device and related tools and methods |
| 01/23/2014 | WO2014014264A1 Vibration device for excavator |
| 01/22/2014 | CN203403820U Waterpower oscillator valve plate structure |
| 01/21/2014 | CA2802917C Vibration tool |
| 01/16/2014 | US20140014328 Hydraulic actuated pump system |
| 01/08/2014 | EP2681408A1 Mechanical force generator for a downhole excitation apparatus |
| 01/08/2014 | CN203383777U Axial vibration impulse well cementing device |
| 01/08/2014 | CN103502555A Resonance enhanced rotary drilling module |
| 01/07/2014 | US8622124 Well treatment using electric submersible pumping system |
| 12/27/2013 | CA2814893A1 Hydraulic pulse valve with improved pulse control |
| 12/25/2013 | CN203362087U Outer shell of middle body for pulser |
| 12/24/2013 | US8613321 Bottom hole assembly with ported completion and methods of fracturing therewith |
| 12/04/2013 | CN203321322U Friction resistance reducing tool capable of extending drilling footage |
| 12/04/2013 | CN103422828A High-temperature hydraulic dual-jarring device |
| 12/04/2013 | CN103422825A Well cementation frequency controllable vibrator and use method thereof |