川西南段大邑地区深层碳酸盐岩油气成藏探讨

TE122.2%P618.13; 川西南段大邑地区所处的区域,其深层处于勘探的空白区,深入探讨该区海相油气成藏条件,不但能更新该区构造地质认识,也能为川西深层下一步油气勘探提供理论.基于研究区及周边钻井岩心、岩屑及地震等资料,对川西南段大邑地区深层油气地质条件进行综合分析.研究结果表明:①川西南段地层剥蚀至下寒武统筇竹寺组黑色泥页岩,该套烃源层广泛分布,为成藏提供了物质基础;②大邑深层发育多套储层,包括灯影组白云岩、栖霞组和茅口组白云岩、峨眉山玄武岩组玄武岩、嘉陵江组与雷口坡组白云岩,露头和探井都显示具有良好的储集条件;③纵向上发育中-下三叠统膏盐岩和巨厚的陆相碎屑岩盖层,具有很好的封挡条件....

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Published in科学技术与工程 Vol. 23; no. 27; pp. 11570 - 11583
Main Authors 钟川楠, 孙玮, 李泽奇, 徐宏远, 邓宾, 吴娟, 宋金民, 常雨琪
Format Journal Article
LanguageChinese
Published 油气藏地质及开发工程国家重点实验室,成都 610059%油气藏地质及开发工程国家重点实验室,成都 610059 2023
自然资源部构造成矿成藏重点实验室,成都 610059
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Abstract TE122.2%P618.13; 川西南段大邑地区所处的区域,其深层处于勘探的空白区,深入探讨该区海相油气成藏条件,不但能更新该区构造地质认识,也能为川西深层下一步油气勘探提供理论.基于研究区及周边钻井岩心、岩屑及地震等资料,对川西南段大邑地区深层油气地质条件进行综合分析.研究结果表明:①川西南段地层剥蚀至下寒武统筇竹寺组黑色泥页岩,该套烃源层广泛分布,为成藏提供了物质基础;②大邑深层发育多套储层,包括灯影组白云岩、栖霞组和茅口组白云岩、峨眉山玄武岩组玄武岩、嘉陵江组与雷口坡组白云岩,露头和探井都显示具有良好的储集条件;③纵向上发育中-下三叠统膏盐岩和巨厚的陆相碎屑岩盖层,具有很好的封挡条件.野外露头及钻井岩心中普遍可见储层大量沥青,说明形成过古油藏;④桐湾运动和加里东运动形成的不整合面在研究区叠加形成优质输导体系,加之大邑背斜带形成的有利纵向沟源断裂输导体系.大邑构造带古圈闭保持完整,与油气运移相匹配,有利于天然气的保藏,是未来深层天然气有利的潜在勘探区.
AbstractList TE122.2%P618.13; 川西南段大邑地区所处的区域,其深层处于勘探的空白区,深入探讨该区海相油气成藏条件,不但能更新该区构造地质认识,也能为川西深层下一步油气勘探提供理论.基于研究区及周边钻井岩心、岩屑及地震等资料,对川西南段大邑地区深层油气地质条件进行综合分析.研究结果表明:①川西南段地层剥蚀至下寒武统筇竹寺组黑色泥页岩,该套烃源层广泛分布,为成藏提供了物质基础;②大邑深层发育多套储层,包括灯影组白云岩、栖霞组和茅口组白云岩、峨眉山玄武岩组玄武岩、嘉陵江组与雷口坡组白云岩,露头和探井都显示具有良好的储集条件;③纵向上发育中-下三叠统膏盐岩和巨厚的陆相碎屑岩盖层,具有很好的封挡条件.野外露头及钻井岩心中普遍可见储层大量沥青,说明形成过古油藏;④桐湾运动和加里东运动形成的不整合面在研究区叠加形成优质输导体系,加之大邑背斜带形成的有利纵向沟源断裂输导体系.大邑构造带古圈闭保持完整,与油气运移相匹配,有利于天然气的保藏,是未来深层天然气有利的潜在勘探区.
Author 吴娟
宋金民
李泽奇
邓宾
钟川楠
孙玮
常雨琪
徐宏远
AuthorAffiliation 油气藏地质及开发工程国家重点实验室,成都 610059%油气藏地质及开发工程国家重点实验室,成都 610059;自然资源部构造成矿成藏重点实验室,成都 610059
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Author_FL ZHONG Chuan-nan
XU Hong-yuan
SONG Jin-min
LI Ze-qi
WU Juan
SUN Wei
DENG Bin
CHANG Yu-qi
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Issue 27
Keywords system of transmission
petroleum entrapment
油气成藏
深层勘探
输导体系
Southwest Sichuan Section
川西南段
deep exploration
Dayi tectonic belt
大邑构造带
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自然资源部构造成矿成藏重点实验室,成都 610059
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Title 川西南段大邑地区深层碳酸盐岩油气成藏探讨
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