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1. 发明授权

EP3234547B1 DUAL COMPONENT DENSITY SAMPLER APPARATUS 有权
公开(公告)号：EP3234547B1
公开(公告)日：2019-04-17
申请号：EP15870763.8
申请日：2015-12-11
申请人： Unico, Inc.
发明人： MCCRICKARD, James P. , PETERSON, Ronald G. , BECK, Thomas L. , MACDONALD, Michael A. , DRY, Michael D.
IPC分类号： G01N9/00 , G01N1/10 , G01N1/18 , G01F1/84 , G01N9/36 , G01N33/28 , G01F1/74 , G01N9/32 , B01D17/02 , G01F15/08

2. 发明公开

EP2971771A1 WINCHED ROD PUMP APPARATUS AND METHOD 审中-公开
标题翻译： WINDUNGSSTANGEN-PUMP装置及其方法
公开(公告)号：EP2971771A1
公开(公告)日：2016-01-20
申请号：EP14770736.8
申请日：2014-03-05
申请人： Unico, Inc.
发明人： GREGORY, Benjamin J. , BECK, Thomas L. , PETERSON, Ronald G. , MACDONALD, Michael A.
IPC分类号： F04B47/02 , F04B47/12
CPC分类号： E21B43/127 , F04B47/022 , F04B47/028 , Y10T29/49236
摘要： An apparatus and method for pumping fluids with a winched rod pumping apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump. A winched rod pumping apparatus, includes a motor driven winch drum and cable mechanical actuator arrangement. The winch drum and cable mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump. The vertical moveable member is coupled to one end of the cable and the other end of the cable is coupled to the winch drum. The winch drum is configured to rotate in one direction to index the rod in a vertical up direction and to index the rod in a vertical down direction, with the winch drum completing at least one full rotation and the rod completing one cycle. The rod cycle is in relation to a pumping cycle for the down hole pump.

3. 发明公开

EP2035702A2 LINEAR ROD PUMP APPARATUS AND METHOD 失效转让
标题翻译：线性杆式泵和方法
公开(公告)号：EP2035702A2
公开(公告)日：2009-03-18
申请号：EP07798436.7
申请日：2007-06-12
申请人： Unico, Inc.
发明人： BECK, Thomas L. , ANDERSON, Robb G. , PETERSON, Ronald G. , MACDONALD, Michael A.
IPC分类号： F04B17/00 , E21B19/18 , F04B35/04
CPC分类号： F04B47/04 , F04B47/022
摘要： An apparatus and method for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, include a linear rod pump having a mechanical rack and pinion drive arrangement, adapted for attachment to a pumping mechanism, such as the polished rod at the top of a rod string in a hydrocarbon well. The rack gear, of the rack and pinion drive arrangement, is adapted for connection to, and movement with, the polished rod. The pinion gear does not translate with the rack gear, and is driven by a reversible motor for affecting up and down reciprocating motion of the rack gear and pumping mechanism. Some forms of the invention include a compressible gas counter-balance arrangement. Some forms of the invention include an electronic drive configured for dealing with electric power generated by the motor during a portion of the pumping cycle.

4. 发明授权

EP2409036B1 INDUCTION MOTOR TORQUE CONTROL IN A PUMPING SYSTEM 有权转让
公开(公告)号：EP2409036B1
公开(公告)日：2018-10-31
申请号：EP10753985.0
申请日：2010-03-16
申请人： Unico, Inc.
发明人： BECK, Thomas L. , DRY, Michael D. , GARLOW, Mark E. , LUCAS, Michael O. , MACDONALD, Michael A. , PETERSON, Ronald G.
IPC分类号： H02P9/04 , H02P27/06
CPC分类号： H02P9/04 , H02P27/06
摘要： A system and method are provided for controlling the speed of a motor driving a load that is electrically connected to a generator driven by an engine, through use of a first control feedback loop configured to control the rotor flux of the motor by controlling the field excitation of the generator, and a second control feedback loop configured to control the speed of the motor by controlling the throttle position of the engine.

5. 发明授权

EP2718566B1 CRANKED ROD PUMP APPARATUS AND METHOD 失效转让
标题翻译：曲轴泵装置及其方法
公开(公告)号：EP2718566B1
公开(公告)日：2016-12-07
申请号：EP12860691.0
申请日：2012-05-16
申请人： Unico, Inc.
发明人： GREGORY, Benjamin J. , BECK, Thomas L. , PETERSON, Ronald G. , MacDONALD, Michael A. , DRY, Michael D.
IPC分类号： F04B9/02 , E21B43/16 , E21B43/12
CPC分类号： E21B43/127 , E21B43/126 , E21B2043/125 , F03G6/00 , F04B17/006 , F04B47/02 , F04B47/022 , F04B47/026 , F24T10/10 , F24T2010/56 , Y02E10/12 , Y02E10/46 , Y02P80/158 , Y10T29/49716
摘要： An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing.

6. 发明授权

EP2209994B1 CRANKED ROD PUMP APPARATUS AND METHOD 有权
标题翻译：曲柄杆泵装置和方法
公开(公告)号：EP2209994B1
公开(公告)日：2018-04-11
申请号：EP08839890.4
申请日：2008-10-15
申请人： Unico, Inc.
发明人： BECK, Thomas L. , PETERSON, Ronald G. , MACDONALD, Michael A. , DRY, Michael D.
IPC分类号： F04B47/02 , E21B43/12
CPC分类号： F04B47/02 , E21B43/126 , Y02E10/46
摘要： An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing.

7. 发明公开

EP3140547A1 SUBTERRANEAN PUMP WITH PUMP CLEANING MODE 有权转让
标题翻译：不孕不育尿液麻醉剂PUMPENREINIGUNGSMODUS
公开(公告)号：EP3140547A1
公开(公告)日：2017-03-15
申请号：EP15788917.1
申请日：2015-05-06
申请人： Unico, Inc.
发明人： PETERSON, Ronald G. , BENDER, Jonathan D.
IPC分类号： F04B47/02 , F04B49/00
摘要： A method to dislodge debris from a pump system in which the pump system includes a down-hole pump coupled by a rod string to an above-ground pump actuator, which is coupled to a controller configured to operate the pump system, and where the actuator has an adjustable stroke length. The method also includes determining that the pump system should begin operating in a pump clean mode, implementing the pump clean mode configured in the controller, and cycling the pump actuator at a preset command speed using a preset starting stroke length, preset acceleration rate and a preset deceleration rate. The method also includes continuing to cycle the pump actuator while incrementally decreasing the stroke length by a preset stroke length increment resulting in increased pump cycling frequencies. Further, the method calls for determining that the pump clean mode is complete, and returning the pump system to a normal operation mode.
摘要翻译：一种从泵系统移除碎屑的方法，其中泵系统包括通过杆串耦合到地面泵致动器的井下泵，该井下泵连接到被配置为操作泵系统的控制器。该方法还包括确定泵系统应该以泵清洁模式开始运行，并且实现在控制器中配置的泵清洁模式。该方法还包括在至少一个泵循环的泵冲程的一部分期间施加预设的振动频率。此外，该方法要求确定泵清洁模式完成，并且将泵系统返回到正常操作模式。

8. 发明公开

EP2718566A2 CRANKED ROD PUMP APPARATUS AND METHOD 失效转让
标题翻译：曲轴泵装置及其方法
公开(公告)号：EP2718566A2
公开(公告)日：2014-04-16
申请号：EP12860691.0
申请日：2012-05-16
申请人： Unico, Inc.
发明人： GREGORY, Benjamin J. , BECK, Thomas L. , PETERSON, Ronald G. , MacDONALD, Michael A. , DRY, Michael D.
IPC分类号： F04B9/02 , E21B43/16
CPC分类号： E21B43/127 , E21B43/126 , E21B2043/125 , F03G6/00 , F04B17/006 , F04B47/02 , F04B47/022 , F04B47/026 , F24T10/10 , F24T2010/56 , Y02E10/12 , Y02E10/46 , Y02P80/158 , Y10T29/49716
摘要： An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing.

9. 发明公开

EP2409036A2 INDUCTION MOTOR TORQUE CONTROL IN A PUMPING SYSTEM 有权转让
标题翻译：转矩控制一个INDUKTIONSMOTUR在泵系统
公开(公告)号：EP2409036A2
公开(公告)日：2012-01-25
申请号：EP10753985.0
申请日：2010-03-16
申请人： Unico, Inc.
发明人： BECK, Thomas L. , DRY, Michael D. , GARLOW, Mark E. , LUCAS, Michael O. , MACDONALD, Michael A. , PETERSON, Ronald G.
IPC分类号： F04B49/06 , H02P27/06
CPC分类号： H02P9/04 , H02P27/06
摘要： A system and method are provided for controlling the speed of a motor driving a load that is electrically connected to a generator driven by an engine, through use of a first control feedback loop configured to control the rotor flux of the motor by controlling the field excitation of the generator, and a second control feedback loop configured to control the speed of the motor by controlling the throttle position of the engine.

10. 发明公开

EP2209994A1 CRANKED ROD PUMP APPARATUS AND METHOD 有权
标题翻译： CRP DEVICE（CRP - 曲杆泵）和方法
公开(公告)号：EP2209994A1
公开(公告)日：2010-07-28
申请号：EP08839890.4
申请日：2008-10-15
申请人： Unico, Inc.
发明人： BECK, Thomas L. , PETERSON, Ronald G. , MACDONALD, Michael A. , DRY, Michael D.
IPC分类号： F04B47/02
CPC分类号： F04B47/02 , E21B43/126 , Y02E10/46
摘要： An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing.

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