| 川南地区古岩溶与阳新统天然气局部富集关系的探讨 |
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| 引用本文： | 陈立官,王洪辉,陆正元,刘文碧,姜鸿,颜朝荣,张富成,张隆华.川南地区古岩溶与阳新统天然气局部富集关系的探讨[J].成都理工大学学报(自然科学版),1992(4). |
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| 作者姓名： | 陈立官 王洪辉 陆正元 刘文碧 姜鸿 颜朝荣 张富成 张隆华 |
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| 作者单位： | 成都地质学院
(陈立官，王洪辉，陆正元，刘文碧)，四川石油管理局川南矿区
(姜鸿，颜朝荣，张富成)，四川石油管理局川南矿区(张隆华) |
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| 摘 要： | 在相同岩性和岩性组合条件下,褶皱前古岩溶发育地段更易产生断裂和裂缝。当古岩溶发育又有超压流体存在时,断层延伸方向将向与构造应力关系不大的方向偏转,因而可以根据断裂与构造的组合关系判断古岩溶是否发育。文章提出了6种与岩溶有关的地质模式;指出岩溶、断裂与有利构造部位三者的组合,是天然气局部富集的主要场所。
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| 关 键 词： | 古岩溶 断裂 天然气局部富集 |
DISSCUSSION ON THE RELATIONSHIP BETWEEN LOCAL GAS ACCUMATION AND PALEOKARST IN THE YANGXIN LIMESTONES IN SOUTHERN SICHUAN |
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| Chen Liguan,Wang Honghui,Lu Zhengyuan,Liu Wenbi,Jiang Hong,Yan Chaorong,Zhang Fucheng,Zhang Longhua.DISSCUSSION ON THE RELATIONSHIP BETWEEN LOCAL GAS ACCUMATION AND PALEOKARST IN THE YANGXIN LIMESTONES IN SOUTHERN SICHUAN[J].Journal of Chengdu University of Technology: Sci & Technol Ed,1992(4). |
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| Authors: | Chen Liguan Wang Honghui Lu Zhengyuan Liu Wenbi Jiang Hong Yan Chaorong Zhang Fucheng Zhang Longhua |
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| Affiliation: | Chen Liguan;Wang Honghui;Lu Zhengyuan;Liu Wenbi;Jiang Hong;Yan Chaorong;Zhang Fucheng;Zhang Longhua |
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| Abstract: | During folding, fracture and fault are most Likely formed where in the strata paleokarst hadbeen developed. Fault strike could deviate from tectonic stress in the strata in which developed pale-okarst and filled with high-abnormal pressure fluid. The existence of paleokarst may be distinquisheddepending upon the relationship between fault and structure. 6 kind of models distinquishing paleokarstare established. It is stressed that the local gas accumulation is in the combination area of paleokarst,fault and favourable parts of structure in the Yangxin Limestones in Southern Sichuan. |
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| Keywords: | paleokarst fault local gas accumulation |
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