聂春林
NIE Chunlin

• 1:中国石油大庆油田有限责任公司勘探开发研究院

摘要(Abstract)：

针对油层非均质性影响复合驱开发效果、导致井组间动态差异大的问题,通过对2个二类油层复合驱试验区(BYDD、LBD)单井数据统计及数值模拟的研究结果表明,非均质越强油层动用比例越低、动用均衡程度越差,视吸水指数降幅后期下降速度越快,采液指数下降幅度越大、后期差异缩小,含水率下降幅度越小、下降越早且回升速度越快。通过分析不同非均质油层开发动态差异,确定了油层非均质性增强是使开发效果变差的原因,探讨了针对不同油层非均质条件复合驱开发动态差异的个性化驱油方案和跟踪调整措施,并为改善不同非均质性油层的复合驱开发效果确定了应对措施。
Aiming at the problems of the influence of oil reservoir heterogeneity on the ASP flooding developed effects and the large dynamic difference between well patterns, single well data statistics and numerical simulation study for 2 ClassⅡ reservoir test areas by ASP flooding(Block BYDD and Block LBD) show that the stronger the reservoir heterogeneity is, the lower the producing ratio is, the poorer the producing equilibrium degree is, the faster the decline rate of apparent injectivity index at the later stage is, the greater the decline range of liquid production index is, the less the later differences and the water cut decrease range is, the earlier the water cut decrease is, and the faster the reincrease spead is. By analyzing the development performance differences of different heterogeneity oil reservoirs, the causes for the poorer developed effects by the increased reservoir heterogeneity are determined. In the light of the development performance difference of ASP flooding in different reservoir heterogeneity conditions, the individualized oil displacing scheme designs, the opportunity and mode of tracking adjusting measures are discussed, which determine the corresponding measures for improving the development effects of ASP flooding in different heterogeneity oil reservoirs.

关键词(KeyWords)： 三元复合驱;油层非均质;剖面动用;注采能力;调整措施;大庆油田
ASP flooding;reservoir heterogeneity;profile producing;injection-production capacity;adjusting measure;Daqing Oilfield

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项“大庆长垣特高含水油田提高采收率示范工程”(2016ZX05054)

作者(Author): 聂春林
NIE Chunlin

DOI: 10.19597/j.issn.1000-3754.202102017

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