the algorithm for solving the wellbore pressure using Romberg numerical integration is derived by analysis of Mathematic......

　　During the exploitation process, quite serious sulfur deposition happened in some gas well of carbonatite occurred, ......

随着气田开发时间的延长，盆5气田所属各井产量、压力、气水比变化加大，投产10年来先后有8口气井因低压、低产、高含水等原因停产关井......