稠油油藏火驱燃烧关键参数的计算及应用——以克拉玛依油田H1井区为例

Xinjiang Petroleum Geology(2020)

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Abstract
以克拉玛依油田H1井区火驱试验为例,从物质和能量守恒出发,推导了高温燃烧条件下地下燃烧参数的平衡关系式,分析了火驱过程中原油、岩石骨架、次生水体等的热量分配,对H1井区地下燃烧温度、空气消耗量、空气油比等参数进行了计算,结果表明,在实际生产过程中油层空气消耗量为350~400 m3/m3,地下燃烧温度约为550℃,对实验室数据进行了重新标定.在此基础上,为了进一步提高火驱开发效果,对湿烧注入方案进行计算,当空气消耗量为350 m3/m3时,湿烧水空气比为0.000 779 m3/m3,日注冷水量为49.9 m3.
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Key words
heavy oil reservoirs,key combustion parameters,wellblock h1,heavy oil
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