提取抽油井液位回音信号中液位值的方法

Method of Extraction Fluid Level from the Echo Signal of Fluid Level in Rod Jumping Well

分析了抽油井液位回音曲线的特性 ,给出了检测曲线中特性脉冲的电路原理 ,介绍了根据统计规律计算声速和液位值的方法。该方法与计算机结合可以消除在测量中人为读数和干扰的影响 ,使得测量变得精确、方便、直接。

The curve from the echo fluid level in rod jumping well is analyzed,the electrocircuit principium of characteristic pulse in the detecting curve is put forward,the method for calculating velocity of sound & fluid level from statistical rule is also introduced.The method,linking the computer,removes the influence of artificial reading & disturb in the measurement,makes the measurement accurate,easy,and direct.The way has been well applied in practice.