【摘 要】
：
川西低渗致密气藏类型复杂,不同类型气藏水平井开发动态差异性大,水平井的合理开发对策针对性较差.在气藏分类研究的基础上,采用动态分析及数值模拟技术,定量分析了不同类型
【机 构】
：
中国石化西南油气分公司勘探开发研究院
论文部分内容阅读
川西低渗致密气藏类型复杂,不同类型气藏水平井开发动态差异性大,水平井的合理开发对策针对性较差.在气藏分类研究的基础上,采用动态分析及数值模拟技术,定量分析了不同类型气藏水平井在不同开发阶段的储量动用及采出情况,揭示了导致不同类型气藏水平井存在动态差异性的原因.结果表明,储层厚度主要影响水平井初期的线性流阶段,储层越厚,则阶段动态储量越高、产量越高、稳产期越长、递减越慢、阶段采出程度越高;储层展布主要影响中后期径向流阶段,储层越连续、泄气半径越大,则生产期越长、阶段采出程度越高.
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