沁水盆地南部煤层气井增产的储层生产控制探讨Reservoir Production Control in CBM Well Stimulation in Southern Qinshui Basin
李军军,桑树勋,李仰民,李梦溪,刘会虎,安士凯,王军鹏
摘要(Abstract):
以沁水盆地南部区块煤层气生产井的工程、测试、监测数据为依据,对影响煤层气井产能的储层生产控制因素进行了分析,探讨了优化储层生产控制、提高煤层气井产能的工程措施,重点研究了水力压裂工艺施工参数与煤层气井产能的关系,提出了有利于提高煤层气井产能的水力压裂工艺施工参数。结果表明:合理控制钻井液的密度与粘度,可提高煤层气井的产能;煤层气井的产能与固井工艺中的水泥浆密度与用量呈现负相关关系;水力压裂采用变砂比、控制压裂液、变排量等施工工艺和优化的工艺参数值可有效提高煤层气井气产量。
关键词(KeyWords): 水力压裂;储层生产控制;产能;煤层气井;沁水盆地
基金项目(Foundation): 华北油田公司科技项目、国家高技术研究发展计划项目课题(2007AA06Z220);; 教育部科学技术研究重大项目(307014)
作者(Author): 李军军,桑树勋,李仰民,李梦溪,刘会虎,安士凯,王军鹏
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