The source and detector, however, are arranged to be sensitive to the density of material in the annulus and can distinguish between fluid and cement behind the casing.
This paper gives a brief introduction to the structure of suspension-water interface detector, work principle and application condition of measuring density flow in the reservoir.
本文简要介绍了清浑水界面探测器的结构、工作原理及其在水库异重流测量中的应用情况。
3
The dual-detectordensity logging response relation has been widely used, but some factors have been neglected.