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    • 3. 发明授权
    • Flow meter system and method for measuring an amount of liquid in a largely gaseous multiphase flow
    • 用于测量大部分气体多相流中的液体量的流量计系统和方法
    • US08939033B2
    • 2015-01-27
    • US13814134
    • 2011-07-20
    • Andrew Charles BakerCosan Ayan
    • Andrew Charles BakerCosan Ayan
    • G01F1/74G01F1/44G01F1/704G01F25/00
    • G01F1/74G01F1/44G01F1/704G01F25/0007
    • Both a flow meter system and method are provided for accurately measuring the percentage amounts of liquid and gas phases in a multiphase flow through a conduit when the liquid phase constitutes a small minority portion (e.g., less than about 20%) of the multiphase flow. The system includes a flow meter that includes a differential pressure sensor connected across a Venturi in the conduit, and a dual energy fraction meter, each of which is operably connected to a digital processor. The system further includes a pump connected to the conduit upstream of the flow meter that introduces at least one pulse of a known quantity of liquid, the pulse being sufficient in volume to temporarily increase the liquid phase by a detectable amount. After the liquid pulse is introduced into the multi-phase flow, the digital processor computes the changes in the percentage amounts of the liquid and gas phases which should have occurred as a result of the pulse, and compares the computed changes with the actual changes measured by the flow meter in order to calibrate the flow meter. The measured increase in the liquid flow is then subtracted from the total measured liquid flow to determine the actual percentage of liquid flow.
    • 提供了一种流量计系统和方法,用于当液相构成多相流的少量部分(例如,小于约20%)时,精确地测量通过导管的多相流中的液相和气相的百分比量。 该系统包括流量计,该流量计包括连接在管道中的文氏管两端的差压传感器,以及双能量分数表,每个能量分数表可操作地连接到数字处理器。 该系统还包括连接到流量计上游的导管的泵,其引入已知量的液体的至少一个脉冲,该脉冲的体积足以临时将液相增加可检测量。 在将液体脉冲引入多相流之后,数字处理器计算作为脉冲结果应该发生的液相和气相百分比的变化,并将计算出的变化与测量的实际变化进行比较 通过流量计来校准流量计。 然后从总测量的液体流中减去所测量的液体流量的增加,以确定液体流量的实际百分比。
    • 4. 发明申请
    • Apparatus for Measuring at Least One Characteristic Value of a Multiphase Fluid Mixture
    • 用于测量多相流体混合物的至少一个特征值的装置
    • US20130319132A1
    • 2013-12-05
    • US13990797
    • 2011-06-27
    • Alexandre LupeauAndrew Charles Baker
    • Alexandre LupeauAndrew Charles Baker
    • G01F1/36
    • G01F1/36G01F1/74G01N33/2823
    • An apparatus (1) for measuring at least one characteristic value of a multiphase fluid mixture (13) comprises: a pipe section (20) having a main flow path through which the multiphase fluid mixture (13) flows, the main flow path comprising a throat (22) between an upstream part (21) and a downstream part (23) of the main flow path such as to generate a pressure drop between the upstream part (21) and the downstream part (23); a first sensing arrangement (28, 33, 29, 34, 35, 36) to measure a first characteristic value of the multiphase fluid mixture (13) flowing into the main flow path; -a channel (25) being positioned within the wall of the pipe section (20) such as to maintain similar operating conditions as in the main flow path, the channel (25) being coupled to the main flow path by an inlet (24) at the up-stream part (21), or the throat (22), and by an outlet (26) at the downstream part (23), or the throat (22), such that the pressure drop generates an aspiration effect diverting a sample of the multiphase fluid mixture (13) flowing through the main flow path into the channel (25), the channel (25) having an internal diameter (70) such that said multiphase fluid mixture sample flows in successive separated enriched phase samples (42, 52) within the channel (25); and a second sensing arrangement (30) to measure a second characteristic value of one of the phase of the multiphase fluid mixture sample flowing into the channel (25).
    • 一种用于测量多相流体混合物(13)的至少一个特征值的装置(1),包括:具有多个流体混合物(13)流过的主流路的管段(20),所述主流路包括 在主流路的上游部分(21)和下游部分(23)之间的喉部(22),以在上游部分(21)和下游部分(23)之间产生压降; 第一感测装置(28,33,29,34,35,36),用于测量流入主流路的多相流体混合物(13)的第一特征值; - 通道(25)定位在管部分(20)的壁内,以便保持与主流路相似的操作条件,通道(25)通过入口(24)联接到主流路, 在上游部分(21)或喉部(22)处,以及通过下游部分(23)或喉部(22)处的出口(26),使得压力下降产生吸入效应, 流过主流路的多相流体混合物(13)的样品进入通道(25),通道(25)具有内径(70),使得所述多相流体混合物样品在连续分离的富相阶段样品(42 ,52); 以及第二感测装置(30),用于测量流入通道(25)的多相流体混合物样品的相的一个的第二特征值。