任闽燕,张仲平,曹嫣镔,殷方好,郝婷婷

• 1:中国石油大学(北京)石油工程学院
• 2:中石化胜利油田分公司技术发展处
• 3:中国石化胜利油田分公司采油工艺研究院

摘要(Abstract)：

针对稠油油藏氮气泡沫调剖技术选井选层困难的问题,结合已实施氮气泡沫调剖井的生产效果和油藏数值模拟计算结果,基于模糊综合评判理论,建立了氮气泡沫调剖效果预测模型,并在此基础上分析了油藏非均质性、原油黏度、油层厚度、可采储量的采出率、距油水边界距离等因素对氮气泡沫调剖效果的影响规律,总结出了适合氮气泡沫调剖的油藏条件:渗透率级差小于4,原油黏度小于40 000 mPa·s,油层厚度在4～12 m,措施时机为多轮次吞吐中后期,距离油水边界300～500 m.现场实施效果表明,该方法提高了氮气泡沫调剖技术的针对性和有效性,有效地改善了稠油油藏中高轮次蒸汽吞吐的效果.

关键词(KeyWords)： 氮气泡沫调剖;数值模拟;油藏适应性;模糊综合评判

Abstract:

Keywords:

基金项目(Foundation): 中石化股份公司科技攻关项目“水平井蒸汽驱提高采收率关键技术研究”(编号:P12123)

作者(Author): 任闽燕,张仲平,曹嫣镔,殷方好,郝婷婷

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