Study on instrument for oil tank multi-interface measure with capacitor method

In this paper,an online,real-time measure approach that used for measuring crude oil tank multi-interface has been proposed based on the theory of effective capacitor dielectric constant can be affected by water content ratio in crude oil and the character of water content ratio change with the height of the tank.Measurement theory is given,system configuration and working process are introduced in detail.It is proved by theory analysis,as well as experiment results,that the method is feasible for oil tank multi-interface measuring.Developing of this instrument really has practical value in control of oil qualities in oil fields.