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泸州古隆起嘉陵江组油气运聚规律与成藏 被引量:26

Oil and gas migration and accumulation and reservoir formation in Jialingjiang Formation of Luzhou paleo-uplift
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摘要 在确定烃源岩的基础上,通过岩心薄片镜下沥青观察、流体包裹体分析及其均一温度的研究,并结合烃源岩的热演化史、地温史,按照油气生成、运移、聚集的阶段性理论,发现并证实泸州古隆起核部存在一个印支期古油藏。指出连通嘉陵江组至下伏烃源岩的深大断裂和基底断裂及其伴生的断层为烃类运聚的主要途径,是油气成藏的“烃源断层”。该区油气成藏关键时期为中三叠世、中侏罗世前后和晚白垩世前后。 Based on the research of hydrocarbon sources, with the help of microscopic observation of asphaltine in thin section of core, liquid inclusion analysis as well as its homogenous temperature research, in combination with thermal evolution history and paleo-temperature history of source rock, and according to the stage theory of hydrocarbon generation, migration and accumulation, it is found that there is a paleo-reservoir accumulated in the core of Luzhou paleo-uplift during Indosinian orogeny. The deep and huge faults and base-rock faults as well as the associated faults connecting Jialingjiang Formation with the underlying source rock acted as the major channel for hydrocarbon to migrate and accumulate, and the hydrocarbon-source faults for oil and gas reservoir. There are three key episodes of oil and gas accumulations in the study area, including Middle Triassic, Middle Jurassic and Late Cretaceous. The author establishes and illustrates the oil and gas reservoir formation model of Jialingjiang Formation in Luzhou paleo-uplift.
出处 《石油勘探与开发》 SCIE EI CAS CSCD 北大核心 2005年第5期20-24,共5页 Petroleum Exploration and Development
基金 四川省重点学科建设项目(SZD0414)
关键词 古油藏 运移聚集 成藏模式 嘉陵江组 泸州古隆起 paleo-reservoir migration and accumulation reservoir formation model Jialingjiang Formation Luzhou paleo-uplift
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