It is not needed to punch the tubing when this sensor is used to measure the internal pressure, which guarantees the oil string with higher mechanical strength and keeps Wells in normal production.
由于该传感器不需要在油管柱上打孔取压，从而保证了油管柱有较高的机械强度，在测量时不影响油气井的正常生产。
The normal production of oil Wells will be influenced greatly when liquid is accumulated in the bottom of the Wells.
当油气井井底存在积液时，会极大地影响油井的正常生产。
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