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| 孝泉构造侏罗系“次生气藏”的形成条件和富集规律 | |
| 引用本文： | 耿玉臣. 孝泉构造侏罗系“次生气藏”的形成条件和富集规律[J]. 石油实验地质, 1993, 15(3): 263-271. doi: 10.11781/sysydz199303263 |
| 作者姓名： | 耿玉臣 |
| 作者单位： | 地质矿产部西南石油地质局第十一普查勘探大队, 四川 绵阳 621000 |
| 摘 要： | 孝泉构造侏罗系气藏是以须家河组深源气为气源、受有效储集体及裂缝系统控制的"次生气藏"。气藏的形成条件及富集规律是:具有直接盖层和上覆区域性盖层的双重盖层,天然气显示范围广,多藏,有一定的富集带,具"次生"的高异常压力,高产带位于高压带;气藏各成独立系统,属无边水、底水定容封闭的纯天然气藏。 |
| 关 键 词： | 孝泉构造 成藏条件 富集规律 成藏模式 |
| 收稿时间： | 1991-05-14 |
PRELIMINARY STUDIES ON THE FORMATION AND THE ACCUMULATIVE REGULARITY OF THE JURASSIC SECONDARY GAS POOLS IN THE XIAOQUAN STRUCTURE |
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| Geng Yucheng. PRELIMINARY STUDIES ON THE FORMATION AND THE ACCUMULATIVE REGULARITY OF THE JURASSIC SECONDARY GAS POOLS IN THE XIAOQUAN STRUCTURE[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1993, 15(3): 263-271. doi: 10.11781/sysydz199303263 | |
| Authors: | Geng Yucheng |
| Affiliation: | Southwest China Bureau of Petroleum Geology, MGMR |
| Abstract: | The Jurassic gas pools in the Xiaoquan Structure are the secondary gas pools controlled by effective reservoirs and fracture system with the source from the Xujiahe Fr. deep gas. The formative condition and the accumulative regularity are characterized by double seals with direct seal beds and regional covers,and the natural gas illustrates its wide distribution and multiple pools,consisting of a certain accumulative belt with "secondary" high abnormal pressure. The high productive gas belt is generally distributed on the high pressure zones and the gas pools have their own independent systems without edge and bottom water seals,attributed to pure gas pools. |
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