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    • 3. 发明申请
    • APPARATUS AND METHOD FOR FLUID PHASE FRACTION DETERMINATION USING X-RAYS
    • 使用X-RAYS进行流体相分离测定的装置和方法
    • WO2013046159A1
    • 2013-04-04
    • PCT/IB2012055179
    • 2012-09-28
    • SCHLUMBERGER SERVICES PETROLSCHLUMBERGER TECHNOLOGY BVSCHLUMBERGER HOLDINGSSCHLUMBERGER CA LTDPRAD RES & DEV LTDKORKIN ROMANZAKHAROV LEVZHDANEEV OLEG
    • KORKIN ROMANZAKHAROV LEVZHDANEEV OLEG
    • G01N23/087G01N23/12G01N33/28
    • G01N23/12G01F1/34G01N23/083G01N23/087G01N33/28G01N33/2823G01N2223/605G01N2223/635G01N2223/637
    • An apparatusfor determining fluid phase fraction of a multiphase fluid mixture (13) comprises: - a x-ray generator (20) arranged to emit a x-ray radiation spectrum comprising a low energy region and a high energy region, the high energy region including a Bremsstrahlung spectrum; - a pipe section (27) through which the multiphase fluid mixture (13) flows comprising a measurement section (28), said measurement section (28) being coupled to said x-ray generator (20); -a detector (30) coupled to said measurement section (28) and arranged to detect x-ray radiation that has passed through said multiphase fluid mixture (13), the detector (30) being coupled to a multichannel analyzer (32) producing a measurement output comprising a low energy (LE) and high energy (HE) measurement counts; wherein the measurement output further comprises a low energy (LV) and high energy (HV) control counts, in a low energy and high energy control windows located on an edge of the Bremsstrahlung spectrum, respectively; and wherein the apparatus further comprises an electrical parameter control arrangement (33) coupled to the x-ray generator (20) and the detector (30), the electrical parameter control arrangement (33) being arranged to calculate a first ratio of the high energy control count relative to the low energy control count (RV=HV/LV)and a second ratio of the high energy measurement count relative to the low energy measurement count(RE=HE/LE), and to adjust the electrical operation of the x-ray generator (20) based on an electrical parameter control function (FC(V)) of said ratios that minimize a dependence of the electrical operation of the x-ray generator on the fluid phase fraction of the multiphase fluid mixture (13) flowing in the measurement section (28).
    • 一种用于确定多相流体混合物(13)的流体相分数的装置包括: - x射线发生器(20),其布置成发射包括低能区域和高能区域的X射线辐射谱,所述高能区域包括 Bre鸣谱 - 所述多相流体混合物(13)流过的管段(27),包括测量部分(28),所述测量部分(28)联接到所述x射线发生器(20); - 检测器(30),耦合到所述测量部分(28)并被布置成检测已经通过所述多相流体混合物(13)的x射线辐射,所述检测器(30)耦合到多通道分析器(32),产生 测量输出包括低能量(LE)和高能量(HE)测量计数; 其中所述测量输出还分别包括位于所述Bre致辐射谱的边缘上的低能量和高能量控制窗口中的低能量(LV)和高能量(HV)控制计数; 并且其中所述装置还包括耦合到所述x射线发生器(20)和所述检测器(30)的电参数控制装置(33),所述电参数控制装置(33)被布置成计算所述高能量的第一比率 相对于低能量控制计数(RV = HV / LV)的控制计数和高能量测量计数相对于低能量测量计数(RE = HE / LE)的第二比例,并且调整x的电气操作 基于所述比率的电参数控制功能(FC(V)),使所述x射线发生器的电气操作对流动的多相流体混合物(13)的流体相分数的依赖性最小化的射线发生器(20) 在测量部分(28)中。