| 威远震旦系天然气与油气生运聚 |
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| 引用本文： | 尹长河,王廷栋,王顺玉,林峰.威远震旦系天然气与油气生运聚[J].地球与环境,2000,28(1):78-82. |
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| 作者姓名： | 尹长河 王廷栋 王顺玉 林峰 |
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| 作者单位： | 西南石油学院天然气地质研究室,四川南充,637001 |
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| 基金项目： | “九五”国家科技攻关项目!项目编号 :96-110 -02-03-04 |
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| 摘 要： | 根据威远震旦系气藏天然气组成、同位素特征、储层包裹体的对比研究 ,我们认为该气藏的天然气主要来源于下寒武统筇竹寺组泥岩 ,其天然气主要是干酪根裂解气 ,次为油的裂解气。威远震旦系气藏是喜山期形成的 ,威远的天然气无论是干酪根裂解气还是油裂解气都由北面古构造聚集的干酪根裂解气和油裂解气转移而来 ,威远构造之所以能形成工业聚集的重要原因就是威远构造的形成与北面古构造的消失的良好匹配关系
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| 关 键 词： | 干酪根裂解气 油裂解气 天然气组成 非烃组成 碳同位素 |
NATURAL GAS AND PETROLEUM GENERATION, MIGRATION AND ACCUMULATION IN SINIAN RESERVOIRS OF WEIYUAN AREA, SICHUAN |
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| Yin Changhe,Wang Tingdong,Wang Shunyu,Lin Feng.NATURAL GAS AND PETROLEUM GENERATION, MIGRATION AND ACCUMULATION IN SINIAN RESERVOIRS OF WEIYUAN AREA, SICHUAN[J].Earth and Environment,2000,28(1):78-82. |
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| Authors: | Yin Changhe Wang Tingdong Wang Shunyu Lin Feng |
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| Institution: | Yin Changhe Wang
Tingdong Wang Shunyu Lin Feng
(Southwest Institute of Petroleum, Nanchong 637001) |
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| Abstract: | As viewed from the composition, carbon isotope and reservoir inclusion data of natural gases in the Weiyuan area, the source rock of natural gases is the Lower Cambrian black shale. Natural gases are derived from cracking of oil and kerogen, but the latter is more important. Natural gases, whether primary cracking of kerogen or secondary cracking of oil, come from kerogen\| and oil\|cracking gas of older structures north of the Weiyuan area. Big\| and medium\|sized gas fields were developed in the Weiyuan area because the formation of the Weiyuan structure and disappearance of older structures are almost contemporaneous. |
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| Keywords: | cracking and kerogen\|cracking gases natural gas composition nonhydrocarbon composition carbon isotope |
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