NODAL SYSTEM ANALYSIS METHOD AND ITS APPLICATION FOR ELECTRIC SUBMERSIBLE PUMP WELL WITH POLYMER FLOODING

According to the seepage flow mechanics theory, non-Newton fluid mechanics theory, production technology theory and nodal system analysis theory, a full description, analysis, derivation to the fluid’s flow behavior of the production system of electric submersible pump well with polymer flooding was made. Using Visual Basic 5.0 language, a software of it was developed. With a good interface and high visual degree, the software is manipulated simply. It was used to test and analysis the production data of 11 electric submersible pump wells in 6th production factory of Daqing Oilfield. In compare with the calculated and tested bottom-hole flow pressure, the maximum relative error rate is 13.1%, the average relative error rate is 5.3%.