基于HALL曲线的复合驱注采能力适应性ADAPTABILITY OF THE INJECTION-PRODUCTION CAPABILITY OF ASP FLOODING BASED ON HALL CURVE
么世椿,赵群,王昊宇,赵长久
YAO Shichun,ZHAO Qun,WANG Haoyu,ZHAO Changjiu
摘要(Abstract)：
复合驱过程中伴随含水率下降注采能力也出现降低,保持高注采能力是复合驱试验取得好效果的重要因素之一。通过总结矿场试验的动态变化特征,首次将HALL曲线的应用从注入端扩展到注、采两端,依据曲线形态变化,明确了化学驱过程中注采能力降低的影响因素,提出了有效的矿场调整措施。结果表明,采用150 n左右井距的五点法井网推广复合驱技术,注入端的阻力系数应控制在2以内,采出端的阻力系数保持在3以内。
Injection-production capability decreases with the decline of water cut in the course of ASP flooding.Sustaining the high Injection-production capability is one of important factors to achieve good results of the flooding.Through the summary of the dynamic characteristics of the field test,HALL curve application is expanded from injection end to both the injection and production ends;and then according to the changes of the curve configuration,the influencing factors on the capability decrease in the chemical flooding are made clear,finally the effective adjusting measures are presented.The research results show that when adopting 150 m well spacing of five-spot pattern in popularizing the ASP flooding,the resistance coefficient at the injection end should be controlled less than 2 and that at the production end should be kept less than 3.
关键词(KeyWords)：
三元复合驱;HALL曲线;注采能力;阻力系数
ASP flooding;HALL curve;injection-production capability;resistance coefficient
基金项目(Foundation): 国家重大专项示范工程(2011ZX05052)
作者(Author):
么世椿,赵群,王昊宇,赵长久
YAO Shichun,ZHAO Qun,WANG Haoyu,ZHAO Changjiu
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