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公开(公告)号：EP1306659B1
公开(公告)日：2006-06-07
申请号：EP02257460.2
申请日：2002-10-28
CPC分类号： E21B47/06 , E21B47/101 , E21B49/08 , E21B2049/085 , G01F1/8409 , G01F1/8413 , G01F1/8436 , G01F1/849 , G01F1/8495 , G01H11/02 , G01N9/002 , G01N11/167 , G01N2009/006
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公开(公告)号：EP1306659A3
公开(公告)日：2004-03-24
申请号：EP02257460.2
申请日：2002-10-28
CPC分类号： E21B47/06 , E21B47/101 , E21B49/08 , E21B2049/085 , G01F1/8409 , G01F1/8413 , G01F1/8436 , G01F1/849 , G01F1/8495 , G01H11/02 , G01N9/002 , G01N11/167 , G01N2009/006
摘要： A measurement device is provided that determines fluid properties from vibration frequencies of a sample cavity. The measurement device includes a sample flow tube (108), a vibration source (110) and a detector (112) mounted on the tube, and a measurement module. The sample flow tube receives a flow of sample fluid for characterization. The measurement module employs the vibration sources to generate vibrations in the tube. The measurement module combines the signals from the vibration detector on the tube to determine properties of the sample fluid, such as density, viscosity, compressibility, water fraction, and bubble size. The measurement module may further detect certain flow patterns such as slug flow, for example. To measure the sample fluid density, the measurement module determines the resonant frequency of the sample flow tube. The density can then be calculated according to a formula that compensates for the temperature and pressure of the system. Other fluid properties may be determined from the sample tube's resonance peak amplitude, peak width and/or peak shape. Variation of the density measurements may be used to detect and characterize multiple phase fluid flow. The use of a vibration source and detector are arranged in a manner that greatly enhances the accuracy and reliability of the measurement device over a range of temperatures, pressures, and shock accelerations such as those that may be found downhole in a well.
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公开(公告)号：EP1306659A2
公开(公告)日：2003-05-02
申请号：EP02257460.2
申请日：2002-10-28
CPC分类号： E21B47/06 , E21B47/101 , E21B49/08 , E21B2049/085 , G01F1/8409 , G01F1/8413 , G01F1/8436 , G01F1/849 , G01F1/8495 , G01H11/02 , G01N9/002 , G01N11/167 , G01N2009/006
摘要： A measurement device is provided that determines fluid properties from vibration frequencies of a sample cavity. The measurement device includes a sample flow tube (108), a vibration source (110) and a detector (112) mounted on the tube, and a measurement module. The sample flow tube receives a flow of sample fluid for characterization. The measurement module employs the vibration sources to generate vibrations in the tube. The measurement module combines the signals from the vibration detector on the tube to determine properties of the sample fluid, such as density, viscosity, compressibility, water fraction, and bubble size. The measurement module may further detect certain flow patterns such as slug flow, for example. To measure the sample fluid density, the measurement module determines the resonant frequency of the sample flow tube. The density can then be calculated according to a formula that compensates for the temperature and pressure of the system. Other fluid properties may be determined from the sample tube's resonance peak amplitude, peak width and/or peak shape. Variation of the density measurements may be used to detect and characterize multiple phase fluid flow. The use of a vibration source and detector are arranged in a manner that greatly enhances the accuracy and reliability of the measurement device over a range of temperatures, pressures, and shock accelerations such as those that may be found downhole in a well.
摘要翻译： 提供了一种测量装置，其从样品腔的振动频率确定流体特性。 测量装置包括样品流管（108），安装在管上的振动源（110）和检测器（112），以及测量模块。 样品流管接收用于表征的样品流体流。 测量模块采用振动源在管中产生振动。 测量模块将来自振动检测器的信号组合在管上，以确定样品流体的性质，例如密度，粘度，压缩性，水分和气泡尺寸。 测量模块可以进一步检测某些流动模式，例如，团状流。 为了测量样品流体密度，测量模块确定样品流管的共振频率。 然后可以根据补偿系统的温度和压力的公式计算密度。 其他流体特性可以从样品管的共振峰值振幅，峰宽和/或峰形来确定。 密度测量的变化可用于检测和表征多相流体流动。 使用振动源和检测器以这样的方式布置，其在一定范围的温度，压力和冲击加速度（例如在井中可能被发现的冲击加速度）内大大提高测量装置的精度和可靠性。
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