A New Method for Evaluating Gas Well Boundary Characteristics

Abstract In evaluating the reservoir physical properties and boundary characteristics of gas wells, the well test interpretation method is mainly employed currently to obtain K, KH, S and boundary characteristics of the reservoir. This method requires a test system for gas wells and a pressure gauge to record the data of flowing bottom hole pressure (FBHP) at the middle depth of the gas reservoir, with long testing time and high cost. Therefore, productivity testing and test pressure recovery data are only performed for some gas wells, and we cannot get reservoir physical property parameters by well test interpretation. It is considered that this method can better meet the needs of practical work, and has high popularization and application value.