Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 47 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
Patents for F04B 47 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (5,485)
10/2014
10/02/2014US20140294602 Energy saving system and method for devices with rotating or reciprocating masses
09/2014
09/30/2014US8845306 Pumping system
09/30/2014CA2598685C Gas lift plunger arrangement
09/25/2014WO2014149758A1 Winched rod pump apparatus and method
09/17/2014EP2776715A2 Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string
09/16/2014US8834133 Pumping device for fluids located at the bottom of a drilled well
09/16/2014US8833441 Cable suspended pumping system
09/16/2014CA2636526C Stress and torque reducing tool
09/15/2014CA2846032A1 Coaxial pumping apparatus with internal power fluid column
09/15/2014CA2845370A1 Drive system for surface hydraulic accumulator
09/14/2014CA2845338A1 High-speed rod-driven downhole pump
09/11/2014DE102013003445A1 Bohrloch-Fördervorrichtung Borehole conveyor
09/09/2014CA2654908C Linear rod pump apparatus and method
09/02/2014US8821137 Modular down hole gauge for use in retrievable electric submersible pump systems with wet connect
08/2014
08/28/2014WO2014130907A1 Modular top loading downhole pump
08/28/2014WO2014078851A3 Real-time pump diagnostic algorithms and application thereof
08/28/2014US20140244049 Adaptive Pump Control For Positive Displacement Pump Failure Modes
08/28/2014US20140241918 Oil-pumping machine
08/28/2014US20140241910 Submersible pump
08/28/2014US20140238160 Oil pumping unit with pinion reciprocating on rack
08/21/2014WO2014124525A1 Rod-pumping system
08/19/2014US8807960 System and method for servicing a wellbore
08/19/2014CA2752371C Multi-sleeve plunger for plunger lift system
08/19/2014CA2630446C System and method for determining onset of failure modes in a positive displacement pump
08/13/2014CN203770104U 一体式充电抽油泵 Integrated charge pump
08/13/2014CN203770103U 反馈式注汽抽油泵 Feedback steam injection pump
08/13/2014CN203770102U 一种煤层气井排采专用的防砂防漏失排采管式泵 One kind of coal bed gas well dedicated anti-erosion control drainage pipe leakage pump
08/12/2014CA2763162C Hydraulic oilfield lift pump
08/07/2014US20140219827 Cranked Rod Pump Method
08/07/2014US20140219824 Pump system and method thereof
08/07/2014CA2842011A1 High temperature motor seal for artificial lift system
08/06/2014CN203756483U 过电缆加热抽油泵 A cable heating pump
08/06/2014CN203756482U 防腐防砂耐磨抽油泵 Sand pump wear and corrosion
08/06/2014CN203748354U 风力滴灌供水设备 Wind drip water equipment
08/06/2014CN103967760A 一种地面直驱螺杆泵采油装置 A land, direct drive screw pump device
08/05/2014US8794932 Hydraulic lift device
07/2014
07/30/2014EP2758629A2 Gas lift assist for fossil fuel wells
07/30/2014CN203742961U 新型实心柱塞抽油泵 The new solid plunger pump
07/30/2014CN102032156B 双向柱塞液压抽油泵 Bi-piston hydraulic pump
07/29/2014US8793080 Sucker rod load measurement
07/24/2014WO2014110681A1 Anti-gas lock valve for a reciprocating downhole pump
07/24/2014US20140205466 Synchronized dual well variable stroke and variable speed pump down control with regenerative assist
07/23/2014CN203730269U 并联式双腔抽砂泵 Parallel dual-chamber pumping sand pump
07/23/2014CN203730268U 小直径杆式实心柱塞抽油泵 Small diameter solid plunger rod pump
07/23/2014CN203730267U 一种带气液分离装置的抽油泵 Pumping a gas-liquid separation unit with the pump
07/23/2014CN103939328A 地面驱动螺杆泵防反转装置 Ground drive screw anti-reverse device
07/23/2014CN103939319A 三管式直线电机抽油泵 Three linear motor pump
07/23/2014CN103939314A 高压式双联深井潜水手动泵 High-pressure double-deep well submersible pumps manually
07/23/2014CN103939056A 抽油泵、潜油直线电机井的采油系统及其工作方法 Pump, submersible oil wells linear motor system and its working methods
07/22/2014CA2812709C Calculation of downhole pump fillage and control of pump based on said fillage
07/22/2014CA2627771C Zero emissions reciprocating pump
07/16/2014CN203717302U 一种防气锁抽油泵 An anti-airlock pump
07/16/2014CN103925203A 反馈式注汽抽油泵 Feedback steam injection pump
07/16/2014CN103925202A 煤矿用积水抽排孔底泵 Mine water drainage hole bottom pump
07/16/2014CN103925201A 无塞抽油泵 No plug pump
07/16/2014CN102359361B 智能化抽油系统 Intelligent pumping system
07/15/2014CA2829884C Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves
07/10/2014US20140190706 Encapsulating an electric submersible pump cable in coiled tubing
07/09/2014CN203702514U 一种防蜡卡抽油泵 An anti-wax card pump
07/09/2014CN203702513U 一种自循环液驱采油泵 A self-circulating pump fluid flooding
07/09/2014CN203702109U 一种潜油电机带动的往复抽油装置 One kind of submersible motor-driven reciprocating oil rig
07/09/2014CN203702100U 群井统一自动同步换向液驱无杆采油装置 Well unified group automatically synchronized commutation was driven rodless oil production unit
07/09/2014CN203702072U 螺杆泵整体式井下防喷限位器 Screw downhole overall BOP stopper
07/09/2014CN103912483A 一种抽油机活塞滚动摩擦的方法及实施该方法的活塞滚动摩擦抽油机 One kind of piston friction rolling method and embodiment of the method of pumping piston pumping rolling friction
07/02/2014CN203685535U 螺杆抽油泵地面驱动装置 Ground screw pump drives
07/02/2014CN203685534U 无缸柱塞泵 No cylinder piston
07/02/2014CN203685533U 一种新型置换式防气抽油泵 A new anti-gas-displacement pump
07/02/2014CN203685532U 蒸汽驱井用的柱塞总成及柱塞式抽油泵 Steam flooding wells plunger assembly and plunger type pump
07/02/2014CN103899521A 一种自动间歇煤层气排水产气方法及其装置 An automatic intermittent discharge of coalbed methane gas method and apparatus for aquatic
06/2014
06/25/2014CN203670171U 环阀式防气抽油泵 Ring Valve anti-gas pump
06/25/2014CN203670170U 深井泵 Deep well pump
06/25/2014CN203670169U 分层采油抽油泵 Layered oil pump
06/25/2014CN203670168U 一种微水头流体能抽水系统 A micro-head fluid pumping system can
06/25/2014CN203670167U 一种抽油泵保护装置 An oil pump protection device pumping
06/25/2014CN203669842U 抽油机多滑轮二次蓄能装置 Secondary energy storage device pumping Multi pulley
06/25/2014CN203669777U 一种用于钻采工艺中的管式抽油泵变径连接器 A drilling process pump adjustable tubular connector
06/25/2014CN103883503A 一种环形柱塞小排量杆式抽油泵 A toroidal small displacement plunger rod pump
06/19/2014WO2014092581A1 Pressure volume regulator
06/19/2014US20140169988 Rotating Flexible Joint for Use in Submersible Pumping Systems
06/18/2014EP2742239A1 Well pump system
06/18/2014CN203655586U 一种深抽采油杆式泵 A dark oil pump rod pump
06/18/2014CN203655585U 长柱塞式注采泵 Long plunger injection pump mining
06/18/2014CN102251761B Dynamic balance beam pumping unit and using method thereof
06/17/2014CA2713751C Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly
06/17/2014CA2587050C Swivelling device for a downhole rod pump
06/11/2014CN203640980U 一种泵的井筒安装装置 A pump mounting device wellbore
06/11/2014CN203640971U 一种液力活塞泵举升系统 One kind of hydraulic piston pump lift system
06/11/2014CN203640970U 一种井下液力活塞泵 A downhole hydraulic piston pump
06/11/2014CN203640969U 电动潜油往复泵 Reciprocating electric submersible pump
06/11/2014CN103857874A Gas lift assist for fossil fuel wells
06/11/2014CA2798389A1 Apparatus for control of a plunger lift system
06/10/2014US8746217 Power system comprising an air cooled HT EGR cooler and LT EGR cooler
06/05/2014WO2014085270A1 Latching system for well swabbing tools
06/04/2014CN203627193U 直线电机抽油泵动子防脱扣连接结构 Linear motor pump anti-tripping mover connecting structure
06/04/2014CN203627168U 泵筒加强型小泵径整筒抽油泵 Enhanced small pump pump barrel diameter entire cylinder pump
06/04/2014CN203627167U 管式抽油泵油塞 Tubular pump oil plug
06/04/2014CN203627166U 大流道抽油泵 Pandemic Road pump
06/04/2014CN203627165U 强闭式电杆泵 Closed strong pole pump
06/04/2014CN203626781U 一种稠油分注合采偏心反馈泵 One kind of heavy eccentric feedback commingled dispensing pump
06/04/2014CN203626753U 一种井下永磁直线电机驱动的无杆采油装置 A downhole permanent magnet linear motor driven rodless oil equipment
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