Because the coercibility of the gas, it was very difficult to obtain the flux of the twophase flow of gas-liquid from the mathematical model of the multiphase of oil-water and gas.

• 因气体的可压缩性,建立通过油、气、水三相流测量来求取液体流量和含水率的模型十分困难,因而在三相流情况下,由涡轮流量计很难测准液体的流量。