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)
12/2011
12/07/2011	CN202065159U 下置式密封直驱驱动头 Under-mounted sealed direct-drive drive head
12/07/2011	CN202064906U Multifunctional energy-saving oil pumping unit
12/07/2011	CN101191411B 一种防腐防砂地下抽油机 One kind of corrosion of underground pumping sand
12/06/2011	US8070463 Rotary reciprocating intensified hydraulic actuator
12/01/2011	WO2011150213A2 Deployment of downhole pump using a cable
12/01/2011	CA2792642A1 Downhole gas release apparatus
11/2011
11/30/2011	CN202056036U 杆式深采抽油泵 Deep mining pump rod
11/30/2011	CN202056035U 管式长效复合抽油泵 Long composite tube pump
11/30/2011	CN202056034U 螺旋面换向螺杆马达增压器 Helicoid screw motor commutation turbocharger
11/30/2011	CN202055809U 上弧线滚动变轨配重式游梁抽油平衡机 Scroll the arc orbit with weight balance beam pumping unit
11/30/2011	CN102261327A 旋流侧吸抽油泵 Swirl pump suction side
11/30/2011	CN102261234A 一种动平衡机构 One kind of balancing mechanism
11/23/2011	CN102251761A Dynamic balance beam pumping unit and using method thereof
11/23/2011	CN101799008B Oil well pump fuel charging valve capable of transmitting pressure
11/22/2011	CA2501187C Suction distribution and disconnection system for a submersible pump
11/21/2011	CA2740682A1 Insertable surface-driven pump
11/17/2011	CA2739109A1 Artificial lift system
11/16/2011	CN202040074U Multi-functional oil-well pump for soft sealing short pump cylinder
11/16/2011	CN202039821U Stroke-increasing beam pumping unit with pulleys
11/09/2011	EP1885994B1 A device for selective movement of well tools and also a method of using same
11/09/2011	CN202031821U Axial plunger pump for valve-type deep well
11/09/2011	CN102235347A Vertical hydraulic borehole pump
11/09/2011	CN102235346A Rod type deep-mining oil-well pump
11/09/2011	CN101265897B Downhole production and injection pump system
11/08/2011	US8051873 Wet well pumping system and method of installing and servicing the system
11/08/2011	CA2443075C Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow
11/03/2011	WO2011135069A1 Pumping system
11/03/2011	WO2011134085A1 A continuous rod pump drive system
11/03/2011	US20110268586 Systems and methods for artificially lifting a product from a well
11/03/2011	CA2796958A1 Pumping system
11/02/2011	EP2383432A1 Pumping system
10/2011
10/30/2011	CA2738500A1 A continuous rod pump drive system
10/29/2011	CA2738354A1 Mechanism for sealing pfa seal bags
10/26/2011	CN202017607U Ground driving device for direct-drive screw pump
10/26/2011	CN202017606U Novel oil well pump capable of realizing oil extraction and well cleanout simultaneously
10/26/2011	CN202017605U Multifunctional oil-well pump
10/26/2011	CN202017604U High-efficiency oil well pump
10/20/2011	US20110255997 Hydraulic gravity ramp pump
10/20/2011	CA2700620A1 One-driven-two pumping unit
10/19/2011	CN102220853A Asymmetrically operated non-beam coal bed gas sampling method and device
10/18/2011	CA2651083C Plunger lift system for well
10/18/2011	CA2483383C System and method for a combined submersible motor and protector
10/13/2011	WO2011127305A1 Submersible hydraulic artificial lift systems and methods of operating same
10/13/2011	CA2796079A1 Submersible hydraulic artificial lift systems and methods of operating same
10/12/2011	CN101446186B An phase-change type energy saving and environment protective oil pumping machine converting carbonic anhydride by using heat energy
10/11/2011	CA2651181C Hydraulically actuated submersible pump
10/11/2011	CA2635993C Plunger lubricator housing
10/06/2011	DE102010013666A1 Verfahren zum Entfernen eines Exzenterschneckenantriebs einer Erdölförderpumpe und Erdölförderpumpe Method for removing a Exzenterschneckenantriebs an oil pump and oil pump
10/05/2011	CN202001285U Leakage preventing device for screw pump driver
10/05/2011	CN202001270U Under-pump aggravated reaction type oil pump
10/05/2011	CN202001269U Motor direct-connected screw pump oil extraction device
10/05/2011	CN202001268U Thickened oil pump with mechanical valve-type eccentric plungers
10/05/2011	CN202000974U Unbalanced hydraulic pumping unit
10/05/2011	CN202000971U Long-stroke walking beam-free pumping unit
10/05/2011	CN101666223B Intelligent drainage and mining method of coalbed methane well and intelligent drainage and mining equipment of coalbed methane well immersed pump
10/05/2011	CN101294484B Oil pumping equipment controlled with single stroke machine pump
10/01/2011	CA2698918A1 Portable pump jack
09/2011
09/28/2011	CN201991749U 螺旋拨叉式螺杆马达井下增压器 Spiral fork screw downhole motors turbocharger
09/28/2011	CN201991748U 一种动筒式液力反馈抽稠油泵 One kind of dynamic feedback hydraulic pumping heavy oil barrel
09/28/2011	CN201991498U 一种井下过泵加重抽油装置 A downhole pumping equipment through the pump heavier
09/27/2011	CA2451907C Reciprocating pump with screw actuator
09/21/2011	CN201982285U 软密封柱塞抽油泵 Soft sealing plunger pump
09/21/2011	CN201982282U 固定阀可捞式抽油泵 Fixed fishing type pump valves
09/21/2011	CN201982281U 防砂卡砂磨抽油泵 Sand card sand pump
09/21/2011	CN102192137A Sand preventing rod pump for coal-bed gas exploitation
09/21/2011	CN102191929A Vertical energy-saving pumping unit
09/20/2011	US8021132 Pump intake for electrical submersible pump
09/14/2011	CN201972905U 防砂反馈抽油泵 Feedback pump sand
09/14/2011	CN201972904U 螺杆泵驱动装置扭矩释放器 Screw drive torque releaser
09/14/2011	CN201972903U 一种排采泵 One kind of drainage pumps
09/14/2011	CN201972669U 抽油机斜拉平衡配重装置 Pumping stayed counterweight device
09/14/2011	CN102182670A Sand-proof clamping rod type oil-well pump
09/14/2011	CN101440798B Movable barrel type rotary plunger oil well pump
09/07/2011	CN201963533U 深井螺杆泵用柔性传动机构 Deep screw pump with flexible drive mechanism
09/07/2011	CN201963532U Antiscale oil well pump
09/07/2011	CN201963531U 抽油井分层开采防气泵 Slicing in anti-pumping wells pump
09/07/2011	CN201963268U 抽油机 Pumping
08/2011
08/31/2011	CN201953627U 一种螺杆泵地面驱动装置 A floor screw drive
08/31/2011	CN201953626U 一种螺杆泵直驱地面驱动装置 One kind of direct-drive ground screw drives
08/31/2011	CN201953625U 分抽合采抽油泵 Points pumping commingled pump
08/31/2011	CN201953624U 越泵杆式抽油泵 The pump rod pump
08/31/2011	CN201953623U 一种采油车定量防卡抽油泵 One kind of car oil pump quantitative proof card
08/31/2011	CN201953622U 一种半球式旋流旋转柱塞抽油泵 A dome-type rotary piston pump swirl
08/31/2011	CN102168542A Multireel oil extractor for pulley
08/25/2011	WO2011100812A1 Oleohydraulic pumping unit having a booster
08/24/2011	CN201943926U 一种新型电动潜油升举柱塞抽油泵 A new electric submersible pump plunger lift
08/24/2011	CN201943925U 防磨降耗抽油泵 Wear saving pump
08/24/2011	CN201943924U 一种固定密封式越泵 A fixed-sealed the pump
08/24/2011	CN201943667U 新型液压抽油机 New hydraulic pumping unit
08/24/2011	CN102162359A High-precision pumping device used for formation tester
08/23/2011	CA2626413C Multiple stage tool for use with plunger lift
08/23/2011	CA2516507C Sleeve piston fluid motor
08/18/2011	CA2718565A1 Plunger for performing artificial lift of well fluids
08/17/2011	EP2356339A1 Clamping mechanism for cylinder liners, use thereof, and mud pump comprising a clamping mechanism
08/17/2011	CN201934295U 旋转防砂抽油泵 Rotary sand pump
08/17/2011	CN201934076U 抽油机杠杆系统 Pumping lever system
08/17/2011	CN201934071U 齿轮驱动式自动平衡游梁抽油机 Gear-driven automatic balance beam pumping unit
08/17/2011	CN201934068U 抽油机井防偏磨的杆柱 Anti-pumping wells eccentric wear the post
08/17/2011	CN201934063U 基于橡塑配重块的游梁式抽油机平衡重装置 Rubber-based counterweight block beam pumping unit counterweight means
08/17/2011	CN102155393A Novel oil-well pump capable of cleaning well during oil extraction

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