| Patents for F04B 47 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (5,485) |
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| 03/05/2015 | WO2015027313A1 Pump jack controller and method for using same for electricity generation |
| 02/23/2015 | CA2860559A1 Plunger for gas lift system with novel skirt |
| 02/17/2015 | US8955601 Flow management system and method |
| 02/17/2015 | US8955582 Beamless mechanic-reversing long stroke pumping unit |
| 02/17/2015 | CA2843321C Method and apparatus for pumping fluid |
| 02/17/2015 | CA2623571C Plunger lift controller and method |
| 02/12/2015 | US20150040692 Swiveling joint for a horse head on a pump jack |
| 02/11/2015 | CN204152769U 双固定凡尔防卡抽油泵 Seoul where anti-card dual fixed pump |
| 02/11/2015 | CN204152768U 一种油田水平井的井下自推进增压泵 An oilfield downhole horizontal wells self-propelled booster |
| 02/10/2015 | US8950476 Coiled tubing deployed ESP |
| 02/10/2015 | US8950473 Cross-jack counterbalance system |
| 02/10/2015 | US8950472 System for monitoring linearity of down-hole pumping systems during deployment and related methods |
| 02/05/2015 | WO2015017810A1 Electric submersible pump having a plurality of motors operatively coupled thereto and methods of using |
| 02/04/2015 | CN204140349U 一种管式抽油泵 A pipe-type pump |
| 02/04/2015 | CN204140348U 深井泵 Deep well pump |
| 02/04/2015 | CN204140347U 一种深井泵 One kind of deep well pump |
| 02/04/2015 | CN204140031U 立式抽油机防坠落装置 Vertical pumping anti-fall device |
| 02/04/2015 | CN104329244A 一种胶囊组合泵 A capsule combination pump |
| 02/04/2015 | CN104329243A 一种风动能水泵 A wind kinetic energy of the water pump |
| 02/04/2015 | CN104329242A 一种管式抽油泵 A pipe-type pump |
| 02/04/2015 | CN104329233A 螺旋往复式井下采油装置 Reciprocating screw downhole oil recovery device |
| 01/29/2015 | WO2015013136A1 Live well staged installation of wet connected esp and related method |
| 01/29/2015 | WO2015011369A1 Multiphase pumping device |
| 01/28/2015 | CN204126866U 一种双层减载深井抽油泵 A two-layer deep well pump load shedding |
| 01/28/2015 | CN204126865U 一种可以防止气锁现象的抽油泵 A way to prevent air lock phenomenon pump |
| 01/28/2015 | CN204126864U 一种带井下驱动转换装置的潜没式抽油泵机组 A tape drive downhole submersible conversion device did not type pump unit |
| 01/28/2015 | CN204126863U 一种新型刮垢深井抽油泵 A new deep well pump scraping dirt |
| 01/28/2015 | CN204126862U 一种新型气液混抽双层防气泵 A new double-layer anti-liquid mixing pump pumping |
| 01/28/2015 | CN102418500B 直控式连续定量分层配产油管柱 Direct-controlled continuous oil column with quantitative stratification |
| 01/27/2015 | US8939733 Hydraulic fan assembly for an engine ventilation system |
| 01/27/2015 | CA2842412C Universal pump holddown system |
| 01/22/2015 | WO2015009917A1 Labyrinth chamber with helical blade for a submersible well pump and method of use |
| 01/22/2015 | US20150021010 Counterweighted pump jack with reversible motors |
| 01/21/2015 | CN204113642U 用于抽取井水的水泵 Pumps for pumping well water |
| 01/21/2015 | CN204113603U 井柱塞 Well plunger |
| 01/21/2015 | CN204113602U 深井泵 Deep well pump |
| 01/21/2015 | CN204113601U 一种双流向抽油泵 A dual flow pump |
| 01/21/2015 | CN204113600U 一种抽油泵 One kind of pump |
| 01/21/2015 | CN204113599U 深井泵 Deep well pump |
| 01/21/2015 | CN104295474A 一种离心式分砂采油泵 A centrifugal pump type sub-sand mining |
| 01/14/2015 | CN204099171U 返液式防气锁抽油泵 Back-hydraulic pump anti airlock |
| 01/13/2015 | US8932030 Hydraulic gravity ram pump |
| 01/13/2015 | CA2590422C Electric progressive cavity pump |
| 01/07/2015 | CN204082518U 防撞深井泵 Collision deep well pump |
| 01/07/2015 | CN204082506U 抽油机平衡块锁块 Pumping weights locking block |
| 01/07/2015 | CN204082505U 防撞深井泵 Collision deep well pump |
| 01/07/2015 | CN204082504U 方便提出的深井泵 Deep well pump made easy |
| 01/07/2015 | CN204082503U 一种方便安装的深井泵 A convenient installation of deep well pump |
| 01/07/2015 | CN204082502U 方便安装的深井泵 Easy installation of deep well pump |
| 01/07/2015 | CN204082501U 深井泵 Deep well pump |
| 01/07/2015 | CN204082110U 一种分层采油控制器及抽油泵 A hierarchical controller and pump oil |
| 01/07/2015 | CN102828939B 带有缓冲器的电潜双向管式抽油泵 Bi-tube electric submersible pump with a buffer |
| 01/06/2015 | CA2770926C Downhole backspin retarder for progressive cavity pump |
| 01/06/2015 | CA2703053C Cranked rod pump apparatus and method |
| 01/01/2015 | US20150004004 Downhole electromagnetic pump and methods of use |
| 01/01/2015 | US20150000930 Pump jack assembly |
| 12/31/2014 | CN204061122U 一种隔膜式计量泵 A membrane metering pump |
| 12/31/2014 | CN204061121U 一种智能控制滚柱丝杠换向潜油泵 An intelligent control roller screw submersible pump commutation |
| 12/31/2014 | CN204061120U 一种适用于二氧化碳驱高气液比油井的防气抽油泵 One for CO2 flooding at high GLR wells anti-gas pump |
| 12/31/2014 | CN104251199A 防气锁抽油泵 Anti-lock pump gas |
| 12/30/2014 | US8920146 Pump system |
| 12/24/2014 | CN204041404U 下置泄油偏置阀抽油泵 By setting the drain bias valve pump |
| 12/24/2014 | CN204041403U 一种管式抽油泵及其泵管组件 A pipe-type pump and tubing assembly |
| 12/24/2014 | CN104234987A 一种带井下驱动转换装置的潜没式抽油泵机组 A tape drive downhole submersible conversion device did not type pump unit |
| 12/17/2014 | CN204025027U 绕流传压管式抽油泵及其抽油泵进油阀 Spread around the pressure tube pump and pump inlet valve |
| 12/17/2014 | CN204025003U 深井泵 Deep well pump |
| 12/17/2014 | CN204025002U 采油井助抽装置 Production wells pumping device help |
| 12/17/2014 | CN204025001U 深井泵 Deep well pump |
| 12/17/2014 | CN204025000U 深井泵 Deep well pump |
| 12/17/2014 | CN204024999U 柱塞总成及使用该柱塞总成的抽油泵 Plunger assembly and use of the plunger pump assembly |
| 12/17/2014 | CN204024998U 深井泵 Deep well pump |
| 12/17/2014 | CN204024997U 一种用于火驱采油双防抽油泵 A fire EOR double anti-pump |
| 12/17/2014 | CN204024996U 一种稠油泵 One kind of heavy oil |
| 12/17/2014 | CN204024572U 井筒防喷开关器及采油泵组件 BOP bore switcher and mining pump assembly |
| 12/17/2014 | CN104214084A 一种柱塞泵凡尔体 Seoul where one kind of piston body |
| 12/16/2014 | US8910718 System and method for a combined submersible motor and protector |
| 12/10/2014 | CN204003392U 一种新型防气高效长柱塞抽油泵 A new anti-gas efficient long plunger pump |
| 12/10/2014 | CN204003391U 实心柱塞防砂抽油泵 Solid plunger pump sand |
| 12/10/2014 | CN204003390U 一种上下柱塞等径液力反馈抽油泵 Equal - upper and lower hydraulic piston pump feedback |
| 12/10/2014 | CN204003389U 多级弹性密封三柱塞水平井抽油泵 Multi-level elastic sealing three horizontal wells pump plunger |
| 12/10/2014 | CN204003388U 一种强启闭阀双固定阀总成式抽油泵 A potent dual fixed valve opening and closing the valve cartridge type oil pump |
| 12/10/2014 | CN204002720U 一种高压能量重复利用的液驱无杆采油装置 A high-pressure liquid energy reuse oil rodless drive unit |
| 12/10/2014 | CN204002649U 油井清砂器活塞抽吸装置 Piston oil sand suction device |
| 12/10/2014 | CN102606112B 一种抽油机 One kind of pumping |
| 12/09/2014 | US8905727 Isolated pressure compensating electric motor connection and related methods |
| 11/25/2014 | US8894380 Reciprocating compressor |
| 11/25/2014 | US8893777 Liquid aeration plunger with chemical chamber |
| 11/25/2014 | US8893775 Multiple electric submersible pump system |
| 11/20/2014 | US20140341755 Horizontal and vertical well fluid pumping system |
| 11/04/2014 | US8878465 System and method for motor drive control pad and drive terminals |
| 11/04/2014 | US8875781 Pumping assembly |
| 10/30/2014 | US20140322049 Solar Drive Control System for Oil Pump Jacks |
| 10/30/2014 | US20140322033 Offset valve bore in a reciprocating pump |
| 10/28/2014 | US8869902 Dynamic seal pad plunger arrangement |
| 10/21/2014 | US8863837 Plunger lift control system arrangement |
| 10/21/2014 | US8863826 Top-mounted digital-control tower pumping unit |
| 10/14/2014 | US8858187 Reciprocating rod pump for sandy fluids |
| 10/07/2014 | US8851165 Compact cable suspended pumping system for lubricator deployment |
| 10/07/2014 | US8851162 Sucker rod apparatus and method |
| 10/02/2014 | US20140294603 Synchronized dual well variable stroke and variable speed pump down control with regenerative assist |