Research On The Characteristics Of Oil And Gas Multiphase Pipelines And Transportation Limit Distance In Low Permeable Oil Field

Gas-liquid mixture transportation in oil and gas gatheirng and transportation system isvery common and economical. But we still can’t accurately calculate the pressure drop oftwo-phase lfow while the calculation of single-phase flow is very accurate. This paper will doa research of the characteirstics of gas-liquid mixture transportation. And ifnd the inlfuence ofmany parameters on liquid holdup, pressure drop and temperature drop. I will research ofseveral formula with pattern identification, liquid holdup, pressure drop and temperature drop.The calculated results will compare with oil field data^and choose the best formula tocalculate the transportation limit.This paper established sotfware to calculate the pressure drop of two-phase flow andtemperature drop in oil ifeld. This sotfware can not only calculate the pressure drop oftwo-phase lfow in different conditions, but also can make single-phase fluid processcalculation. This sotfware can greatly reduce the labor intensity of engineeirng design andimprove the design calculation.