井深测量通常是指方钻杆补心高度，如补心高度8327英尺，就意味着在方钻杆补心以下有8327英尺的深度。
Depth measurements are commonly referenced to the KB, such as 8327 ft KB, meaning 8327 feet below the kelly bushing.
井深测量是综合录井最为重要的参数之一，在录井仪井深测量系统研制过程中，绞车传感器信号处理是否合理，将直接影响井深测量的精度。
During developing well depth measurement system for mud logging unit, it directly affects the accuracy of well depth measurement whether winch sensor signal processing is rational or not.
下井仪器沿井深对泥浆流速、温度、压力进行数字化测量，并将测量数据存储在下井仪器内部的存储器中。
The well-logging probe digitally measures flow velocity, temperature and pressure of mud and memorizes those data in the memory of the probe.
随着井深增加，水温对水头高度的影响越来越大，需要采用下井仪器测量井底压力。
The influence of water temperature on water head height becomes bigger as the well depth increases. The pressure at the well bottom has to be measured by instruments in the well.
随着井深增加，水温对水头高度的影响越来越大，需要采用下井仪器测量井底压力。
The influence of water temperature on water head height becomes bigger as the well depth increases. The pressure at the well bottom has to be measured by instruments in the well.
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