西南石油学院承担的中国石油天然气集团公司科研项目“四川气藏欠平衡钻井理论与软件开发”于 2 0 0 1年 8月 11日通过了由中国石油天然气集团公司科技发展部组织的验收。该项目通过攻关试验、现场 5口井的试验 ,取得了较好的效果。(1)初步建立了孔隙性和裂缝性储层欠平衡钻井 The research project “Underbalanced Drilling Theory and Software Development of Sichuan Gas Reservoir” undertaken by China National Petroleum Corporation on Southwest Petroleum Institute was approved by the Ministry of Science and Technology Development of China National Petroleum Corporation on August 11, 2001. The project has achieved good results by tackling key problems and testing on 5 wells in the field. (1) The initial formation of the pore and fractured reservoir underbalanced drilling