After water is carried in gas Wells, status of fluid flow and medium distribution become more complicated, its production performance detection will be more difficult.
气井出现载水现象后，井筒中流体的流动状态和介质分布将变得复杂，其生产动态监测更为困难。
The measurement sensitive field of ERT sensor is affected greatly by medium distribution. Such soft field character is one of major difficulties in image reconstruction of ERT.
ERT传感器测量敏感场受被测介质分布的影响，这一软场特性是ERT图像重建中的主要困难之一。
By using multiphase medium with different permittivity, the image of medium distribution could be obtained through measuring the obtained permittivity by capacitance sensor.
它是利用多相介质具有不同的介电常数，通过电容传感器测量获得介电常数分布而获得介质分布的图像。
By using multiphase medium with different permittivity, the image of medium distribution could be obtained through measuring the obtained permittivity by capacitance sensor.
它是利用多相介质具有不同的介电常数，通过电容传感器测量获得介电常数分布而获得介质分布的图像。
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