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    • 1. 发明授权
    • System and method for proppant transfer
    • 支撑剂转移系统和方法
    • US09169087B2
    • 2015-10-27
    • US13062292
    • 2009-09-04
    • John MackenziePeter WrightJan Thore Eia
    • John MackenziePeter WrightJan Thore Eia
    • E21B21/06B65G53/12B63B27/00
    • B65G53/12B63B27/20E21B21/065E21B21/066
    • A method of transferring proppant materials, wherein the method includes providing a first pressurized container (102) containing proppant materials on a first vessel (106). The method also includes connecting the first pressurized container (102) on the first vessel (106) to a second container (102) on a second vessel (114) and transferring pneumatically, proppant materials from the first pressurized container (102) on the first vessel (106) to the second container (102) on the second vessel (114). Also, a method of transferring proppant materials, the method including removing a wellbore fluid comprising excess proppant materials from a well, and screening the excess proppant materials from the wellbore fluid. The method also includes transferring the excess proppant materials to a first pressurized container (102) and transferring pneumatically, the excess proppant materials from the first pressurized container to a second pressurized container.
    • 一种转移支撑剂材料的方法,其中所述方法包括在第一容器(106)上提供含有支撑剂材料的第一加压容器(102)。 该方法还包括将第一容器(106)上的第一加压容器(102)连接到第二容器(114)上的第二容器(102),并将第一加压容器(102)上的气动支撑剂材料从第一加压容器 容器(106)到第二容器(114)上的第二容器(102)。 而且,一种转移支撑剂材料的方法,该方法包括从井中除去包含过量支撑剂材料的井眼流体​​,以及从井眼流体中筛选过量的支撑剂材料。 该方法还包括将过量的支撑剂材料转移到第一加压容器(102)并将气态地传递过量的支撑剂材料从第一加压容器转移到第二加压容器。
    • 4. 发明申请
    • SYSTEM AND METHOD FOR PROPPANT TRANSFER
    • 用于传播的系统和方法
    • US20110162838A1
    • 2011-07-07
    • US13062292
    • 2009-09-04
    • John MackenziePeter WrightJan Thore Eia
    • John MackenziePeter WrightJan Thore Eia
    • E21B43/00B65G53/12B63B27/24
    • B65G53/12B63B27/20E21B21/065E21B21/066
    • A method of transferring proppant materials, wherein the method includes providing a first pressurized container (102) containing proppant materials on a first vessel (106). The method also includes connecting the first pressurized container (102) on the first vessel (106) to a second container (102) on a second vessel (114) and transferring pneumatically, proppant materials from the first pressurized container (102) on the first vessel (106) to the second container (102) on the second vessel (114). Also, a method of transferring proppant materials, the method including removing a wellbore fluid comprising excess proppant materials from a well, and screening the excess proppant materials from the wellbore fluid. The method also includes transferring the excess proppant materials to a first pressurized container (102) and transferring pneumatically, the excess proppant materials from the first pressurized container to a second pressurized container.
    • 一种转移支撑剂材料的方法,其中所述方法包括在第一容器(106)上提供含有支撑剂材料的第一加压容器(102)。 该方法还包括将第一容器(106)上的第一加压容器(102)连接到第二容器(114)上的第二容器(102),并将第一加压容器(102)上的气动支撑剂材料从第一加压容器 容器(106)到第二容器(114)上的第二容器(102)。 而且,一种转移支撑剂材料的方法,该方法包括从井中除去包含过量支撑剂材料的井眼流体​​,以及从井眼流体中筛选过量的支撑剂材料。 该方法还包括将过量的支撑剂材料转移到第一加压容器(102)并将气态地传递过量的支撑剂材料从第一加压容器转移到第二加压容器。
    • 6. 发明申请
    • Push-pull inverter with snubber energy recovery
    • 具有缓冲能量回收的推挽逆变器
    • US20060092676A1
    • 2006-05-04
    • US10980006
    • 2004-11-03
    • Julius LiptakMark KocherJohn MacKenzie
    • Julius LiptakMark KocherJohn MacKenzie
    • H02H7/122
    • H02M3/337
    • An exemplary power inverter comprises a push-pull inverter circuit that includes a transformer having a primary winding coupled to a DC bus and a secondary winding coupled to an AC bus, main power switches coupling each end of the primary winding to a DC return, and one or more supplemental power switches coupling at least one end of the primary winding to a snubber bus. The supplemental switch at a given end of the primary winding forms a buck-mode converter in combination with the primary winding and the associated free-wheeling diode at that end of the primary winding, and can be controlled by a switching controller to effect energy transfer between the snubber bus and DC bus. The switching controller can be configured to control power flow between the DC, AC, and snubber buses by controlling the common-mode and differential-mode voltages of the primary winding via main/supplemental power switch control.
    • 示例性的功率逆变器包括推挽逆变器电路,其包括具有耦合到DC总线的初级绕组和耦合到AC总线的次级绕组的变压器,将初级绕组的每一端耦合到DC回路的主电源开关,以及 一个或多个辅助功率开关将初级绕组的至少一端耦合到缓冲母线。 初级绕组给定端的辅助开关与初级绕组和初级绕组末端的相关续流二极管组合形成降压模式转换器,并且可由开关控制器控制以实现能量传递 缓冲巴士和直流母线之间。 开关控制器可以配置为通过主/辅助电源开关控制来控制初级绕组的共模和差模电压来控制直流,交流和缓冲母线之间的功率流。