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......

气井泥喷空气的压井，如果压井方法不当，措施不正确，不仅会导致压井失败，浪费人力，时间和材料，而且对油气产层还可能造成严重污染和损害。......