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    • 93. 发明申请
    • AIR LIFT PUMP
    • US20210355967A1
    • 2021-11-18
    • US17278441
    • 2019-10-09
    • University of Guelph
    • Wael Ahmed
    • F04F5/24F04F1/20
    • A pump comprises: a vertically-extending conduit having an intermediate portion extending between lower and upper portions, the intermediate portion having a cross-sectional area smaller than that of the upper portions, a lift arrangement including an array of ports arranged over a length of the lower portion, each port of the array having a terminus at the lower portion and extending horizontally away from the terminus such that the working fluid is directed towards a center of the conduit; and an injector having a terminus at the top of the intermediate portion and extending vertically downwardly such that the working fluid is directed vertically upwardly, the terminus of the injector being defined by a cylindrical groove, an annular chamber surrounding the injector, having a length and communicating with the injector through a row of apertures spaced a distance from the junction of the transition portion and the intermediate portion.
    • 97. 发明授权
    • Multi-well computerized control of fluid pumping
    • 流体泵送的多井计算机化控制
    • US6048175A
    • 2000-04-11
    • US160615
    • 1998-09-24
    • Edward A. CorlewHenry B. Steen, IIIJohn W. Smith
    • Edward A. CorlewHenry B. Steen, IIIJohn W. Smith
    • E21B43/12E21B43/34E21B43/40E21B47/00F04F1/08F04F1/20F04B17/00
    • F04F1/08E21B43/121E21B43/34E21B43/40E21B47/0007F04F1/20
    • A system for controlling one or more borehole pumps to enable pumping-on-demand is described. The system uses a computerized controller which, in combination with sensors, monitors and controls the activity of the pump, thereby controlling fluid in the borehole. The system is continually in one of three modes, the monitoring mode, the pump mode, and the recovery mode. Within each cycle of modes, the system performs multiple checks on the apparatus involved. The data obtained during the check is stored in appropriate databases as well as checked against predetermined norms. In the event of a malfunction within the apparatus, or other supervised and/or monitored functions, the system can activate a notification system, such as a centralized monitoring facility. A pump is disclosed with a fluid sensor to detect the presence of fluid and transmit this presence to the computerized monitoring system. A slug sensor notifies the computer of the beginning and end of a predetermined quantity of fluid. An exterior housing with a lightning protector can be placed over the borehole to contain the monitoring computer and associated read outs. At least one shunt valve is affixed along the propellant and return lines inline to accommodate accumulation of fluid. A receiver/separator tank has a separator member to separate the gas from the fluid.
    • 描述了一种用于控制一个或多个钻孔泵以实现按需泵送的系统。 该系统使用计算机控制器,其与传感器结合,监测和控制泵的活动,从而控制钻孔中的流体。 系统持续处于监控模式,泵模式和恢复模式三种模式之一。 在每个模式循环中,系统对所涉及的装置执行多次检查。 在检查期间获得的数据存储在适当的数据库中,并根据预定的规范进行检查。 在设备内部或其他受监督和/或监视功能发生故障的情况下,系统可以激活通知系统,例如集中式监控设备。 公开了一种具有流体传感器的泵以检测流体的存在并将该存在传送到计算机化的监控系统。 块塞传感器通知计算机预定量的流体的开始和结束。 具有防雷器的外壳可以放置在钻孔上,以容纳监控计算机和相关的读出。 至少有一个分流阀沿着推进剂固定并返回管线,以适应流体的积聚。 接收器/分离器罐具有用于将气体与流体分离的分离器构件。
    • 98. 发明授权
    • Nozzle-venturi gas lift flow control device
    • 喷嘴文丘里气举流量控制装置
    • US5743717A
    • 1998-04-28
    • US917879
    • 1997-08-27
    • Zelimir Schmidt
    • Zelimir Schmidt
    • E21B43/12F04F1/18F04F1/20
    • E21B43/123Y10T137/2934
    • A gas flow control device for injecting gas into a production string for recovering pressure and reducing frictional losses, so that critical flow can be reached at lower pressure drops and higher production pressure, includes a nozzle having first and second ends, and a flow path therebetween, and a Venturi having first and second ends, and a flow path therebetween. The first end of the Venturi is disposed adjacent to the second end of the nozzle. The Venturi flow path is aligned with the nozzle flow path to provide a continuous flow path through the valve.
    • 一种用于将气体注入用于回收压力并减少摩擦损失的生产线中的气体流量控制装置,使得可以在较低的压降和较高的生产压力下达到临界流量,包括具有第一和第二端的喷嘴及其间的流动路径 和具有第一和第二端的文氏管以及它们之间的流路。 文丘里管的第一端设置成与喷嘴的第二端相邻。 文丘里流动路径与喷嘴流动路径对准,以提供穿过阀门的连续流动路径。