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准噶尔盆地西缘车排子地区岩性油气藏成藏主控因素 被引量:46

KEY FACTORS TO CONTROL FORMATION CONDITIONS OF STRATIGRAPHIC POOLS IN CHEPAIZI AREA,THE WEST OF THE JUNGGAR BASIN
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摘要 在分析准噶尔盆地西缘车排子地区地层、构造、沉积相和油气等石油地质条件的基础上,统计该区油气藏类型,通过解剖典型油气藏的油源条件、储集层特征、输导特征和圈闭及其保存条件等成藏条件,并结合钻井成功与失利的成效分析,发现车排子地区以岩性圈闭为主,具有良好的油气源条件,断层与不整合组成了良好的阶梯型复式输导系统,有利储集相带及储层物性控制了油气聚集,圈闭条件和保存条件决定了油气最终是否成藏。在进一步集中成藏条件的基础上,认为储层物性和圈闭及保存条件是该区岩性油气藏的成藏主控因素。 Based on analysis of strata,structure,facies and petroleum in Chepaizi area in the west of the Junggar Basin,accumulation types in this region have been counted.Studies of source condition,reservoir characteristics,conducting characteristics and trap preservation,together with drilling success and failure effectivity,have indicated that,traps in Chepaizi area are mainly lithologic ones.Source condition is good.Faults and unconformities work as complex conducting system.Favorable reservoir facies and physical properties control petroleum accumulation.Trap condition and its preservation are the keys for final accumulation.Reservoir physical property and reservation are the main factors controlling lithologic pool formation in this area.
出处 《石油实验地质》 CAS CSCD 北大核心 2007年第4期377-383,共7页 Petroleum Geology & Experiment
关键词 成藏条件 成藏主控因素 岩性油气藏 车排子凸起 准噶尔盆地西缘 accumulation condition main controlling factors lithologic pools the Chepaizi Arch the west of the Junggar Basin
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