| 准噶尔盆地陆梁地区断裂-不整合面输导体系与油气运聚 |
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| 引用本文：陈中红,吴孔友,查明,朱筱敏.2006.准噶尔盆地陆梁地区断裂-不整合面输导体系与油气运聚[J].地球学报,27(1):63-68. |
| DOI：10.3975/cagsb.2006.01.09 |
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| 基金项目:中国石油天然气集团“九五”重大科技攻关项目(编号:960007-01) |
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| 中文摘要:断裂是准噶尔盆地陆梁隆起油气远距离从源(盆1井西凹陷)到藏(陆梁油田)的主要通道,其中基东断裂作为油源断裂起了关键性的作用。不整合面也是该区油气顺利从源到藏的必要条件,不整合面分布的非均质性是造成该区油气分布差异性的一个重要影响因素。断裂与不整合面形成的断裂-不整合面输导体系是一个高效的输导网络,是油气顺利运聚、成藏的重要条件:二叠系顶面的不整合面与深部断裂组成的输导体系是沟通盆1井西凹陷二叠系油源向上部侏罗系运移的主要通道,而白垩系底面的区域不整合面与中浅层正断层组成的输导体系是头屯河组和呼图壁河组油气成藏的主要因素。 |
| 中文关键词:准噶尔盆地 断裂 不整合面 输导体系 通道 运聚 |
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| Relationship between Passage Systems of Faults-Unconformities and Hydrocarbon Migration: A Case Study of the Luliang Uplift in the Junggar Basin |
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| Abstract:Faults are main passages for long-distance hydrocarbon migration from source rocks to pools in Luliang uplift, and Jidong fault has played a key role in this aspect. The existence of unconformities makes up a prerequisite for hydrocarbon accumulation, and the inhomogeneity of unconformities seems to be an important factor for the differences in hydrocarbon accumulations in this area. The passage systems formed by faults and unconformities are effective pathway networks which are very important for hydrocarbon migration and accumulation. The passage system formed by the unconformity surface of Permian strata and the reverse faults at depth is a key factor for hydrocarbon migration from source rocks to Jurassic strata, and the passage system formed by the unconformity surface at the bottom of Cretaceous strata and the normal faults in Jurassic strata is a necessary element for hydrocarbon migration from Jurassic to Cretaceous strata. |
| keywords:Junggar basin fault unconformity passage system migration pathway migration and accumulation |
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