| 板桥凹陷带油环凝析气藏类型和成藏条件分析 |
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| 引用本文： | 李军,李凤霞,周立英,朱银霞,赵景茂. 板桥凹陷带油环凝析气藏类型和成藏条件分析[J]. 天然气地球科学, 2003, 14(4): 271-274. DOI: 10.11764/j.issn.1672-1926.2003.04.271 |
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| 作者姓名： | 李军 李凤霞 周立英 朱银霞 赵景茂 |
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| 作者单位： | 中国石油大港油田油气勘探开发技术研究中心; |
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| 摘 要： | 根据板桥凹陷勘探实际和该凹陷天然气的成因、演化、生储组合和烃类相态特征,将该凹陷天然气藏划分为3种类型(自生自储型带油环凝析气藏,下生上储型带油环凝析气藏,新生古储型带油环凝析气藏)。总结了带油环凝析气藏的成藏条件,认为:气源丰富是板桥凹陷带油环凝析气藏形成的物质基础;特殊的地质背景决定了带油环凝析气的“赋存”状态;次生孔隙发育为带油环凝析气聚集提供了有效储集空间;高压是带油环凝析气运移和聚集的动力;大型构造背景为带油环凝析气的聚集提供了场所。
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| 关 键 词： | 板桥地区 带油环凝析气藏 高温高压 成烃演化 成岩演化 |
| 文章编号： | 1672-1926(2003)04-0271-04 |
TYPES OF CONDENSATED GAS RESERVOIR WITH OIL RIM AND EXPLORATION TARGET IN BANQIAO SAG |
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| LI Jun,LI Feng-xia,ZHOU Li-ying,ZHU Yin-xia,ZHAO Jing-mao. TYPES OF CONDENSATED GAS RESERVOIR WITH OIL RIM AND EXPLORATION TARGET IN BANQIAO SAG[J]. Natural Gas Geoscience, 2003, 14(4): 271-274. DOI: 10.11764/j.issn.1672-1926.2003.04.271 |
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| Authors: | LI Jun LI Feng-xia ZHOU Li-ying ZHU Yin-xia ZHAO Jing-mao |
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| Affiliation: | Research Center of Petroleum Exploration and Development Technology, Dagang Oilfield, PetroChina, Tianjin, 300280, China |
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| Abstract: | Based on status of Banqiao exploration, according to natural gas origin, evolution, source-reservoir-seal assemblage, hydrocarbon phase characteristics, natural gas reservoir types are divided. After the summary of condensoted gas accumulation, the authors conclude that good source is the basis; the specific background leads to deep gas phase; secondary porosity offers the effective space; high pressure is the driving force of migration and accumulation and large-scale structural background offers the sites for deep gas accumulation. Therefore, these conclusions effectively instruct the deep gas exploration in Banqiao sag. |
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| Keywords: | Banqiao sag Condensated gas reservoir with oil rim High temperature and high pressure Hydrocarbon generation and evolution. |
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