渤海湾盆地垦利断裂带构造与油气关系研究
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引用本文:褚庆忠,张树林.2004.渤海湾盆地垦利断裂带构造与油气关系研究[J].地球学报,25(1):73-78.
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作者单位
褚庆忠 燕山大学河北秦皇岛066004 
张树林 中国地质大学湖北武汉430074 
基金项目:国家区测项目“1∶5 0 0 0 0区域地质调查”(J5 0E0 0 5 0 15 )资助
中文摘要:本文在分析垦利断裂带断裂构造特征的基础上,探讨了该地区断裂构造对油气运聚的控制作用。研究表明,垦利断裂带油气沿断层运聚主要有2种模式:①沿断层垂向运移和聚集;②横穿断层的运移和聚集。油气大规模地横穿断层的运移和聚集主要发生在垦利和垦东6断层的深部和浅部层段。根据在垦利断裂带已发现的油田(藏)总结出4种成藏模式,即同层成藏、潜山成藏、跨断层成藏和沿断层成藏,认为该地区的油气分布受构造因素控制,并对该地区隐蔽圈闭(油气藏)的勘探前景作了分析。
中文关键词:垦利断裂带  断层  成藏模式  油气运聚  隐蔽圈闭
 
Structural Characteristics Related to Hydrocarbon Migration and Accumulation in the Kenli Fault Zone, Bohai Gulf
Abstract:Faults constitute an important factor in petroliferous basins and control oil gas distribution. Based on a study of characteristics of Kenli faulted zone, this paper deals with faults controlled oil gas migration and accumulation in this area. It is concluded that hydrocarbon migration and accumulation in the Kenli faulted zone follow two main models:① Vertical migration and accumulation along the faults: the migration of early oil gas from Gunan depression occurred along Kenli faulted zone mainly in the form of continous phase. When large quantities of hydrocarbon were generated from the Fulin depression, Kenli fault had stopped activity, and hence hydrocarbon could not but migrate together with periodic Es 3 overpressure fluid along the Kenli fault in the form of dispersed and free phase. ② Migration and accumulation through the faults: considerable oil gas migration and accumulation across the faults mainly occurred in the deep and shallow parts of Kenli faulted zone and Kendong No. 6 fault. Finally, this paper has summed up four oil gas accumulation models, i.e., accumulation in the same layer, accumulation in buried hills, accumulation through faults and accumulation along faults.
keywords:Kenli fault zone  fault  accumulation model  hydrocarbon migration and accumulation  concealed trap
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