| 琼西莺歌海盆地中深层天然气成藏条件分析及其与浅层成藏条件的比较 |
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| 引用本文： | 何家雄,夏斌,刘宝明,张树林.琼西莺歌海盆地中深层天然气成藏条件分析及其与浅层成藏条件的比较[J].地质通报,2005,24(1):9-15. |
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| 作者姓名： | 何家雄 夏斌 刘宝明 张树林 |
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| 作者单位： | 1. 中国科学院广州地球化学研究所边缘海地质与矿产资源重点实验室,广东,广州,510640;中海石油南海西部研究院,广东,湛江,524057
2. 中国科学院广州地球化学研究所边缘海地质与矿产资源重点实验室,广东,广州,510640 |
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| 基金项目： | 国家“九五”重点科技攻关项目《中国大中型气田勘探开发研究》(编号:96-110-07-01-02)资助。 |
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| 摘 要： | 莺歌海盆地浅层天然气勘探和研究程度相对较高，绝大部分探井和发现的天然气储量亦主要集中于浅层。但迄今为止，浅层好的勘探目标、规模较大的局部构造大多已钻探，剩余好的勘探目标不多，故天然气勘探潜力不容乐观、本区中深层勘探领域则探井甚少，勘探和研究程度非常低，故发现并落实的天然气储量亦少，通过叶浅层与中深层勘探领域天然气成藏地质条件的综合分析、类比和评价，指出和强调中深层天然气成藏地质条件优于浅层、中深层应是本区手找大中型气田的勘探方向。
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| 关 键 词： | 莺歌海盆地 中深层新领域 烃源岩特征 勘探前景分析 |
| 文章编号： | 1671-2552(2005)01-0009-07 |
| 修稿时间： | 2004/7/22 0:00:00 |
Analysis of conditions of formation of middle-and deep-level gas accumulations in the Yinggehai basin west of Hainan Island and their comparison with those of shallow-level gas accumulations. |
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| Abstract: | The level of shallow gas exploration and research in the Yinggehai basin is relatively high, and the gas reserves discovered by most exploratory wells in the area are also concentrated in the shallow strata. Up to now, however, the good exploration targets and large-scale local structures at shallow depths have been mostly drilled and there are scarce remaining good targets. So gas exploration potential is not optimistic. Limited gas geological reserves have been found and identified in the area mainly because of few exploratory wells and low exploration and research level in middle- and deep-level strata in the area. By a comprehensive analysis, comparison and evaluation of the geological conditions of gas accumulation formation in the shallow-level strata and the middle- and deep-level strata, the authors explicitly point out and emphasize that the geological conditions of gas accumulation formation and the middle- and deep-level strata are better than in the shallow-level strata, and the middle- and deep-level strata should be exploration targets for looking for large and medium-sized gas fields. |
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| Keywords: | Yinggehai basin new field in middle- and deep-level strata feature of source rock gas prospect analysis |
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