| 莺歌海盆地深部地压气 |
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| 引用本文： | 张启明,张泉兴.莺歌海盆地深部地压气[J].海洋地质与第四纪地质,1992,12(1):1-14. |
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| 作者姓名： | 张启明 张泉兴 |
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| 作者单位： | 南海西部石油公司
(张启明)，南海西部石油公司(张泉兴) |
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| 摘 要： | 地压气承受地压,以四种形式存在于地下,由于高温高压的特定环境,它作为非常规天然气具有开采价值。它形成的地质背景是深、热、高压、海相、快速沉降的年青盆地。莺歌海盆地七条勘探成果说明盆地深部蕴藏地压气,乐东30—1砂岩体是其一例。
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| 关 键 词： | 地压 天然气 莺歌海盆地 非常规 |
DEEP GEOPRESSURED GAS IN THE YINGGEHAI BASIN |
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| Zhang Qiming,Zhang Quanxing.DEEP GEOPRESSURED GAS IN THE YINGGEHAI BASIN[J].Marine Geology & Quaternary Geology,1992,12(1):1-14. |
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| Authors: | Zhang Qiming Zhang Quanxing |
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| Abstract: | Geopressured gas consists of 4 kinds of natural gas, namely, dissolved gas and free gas in pore water of sandstone body, gas cap in sandstone body and natural gas in pore water of mudstone close to a sandstone body. Geopressured gas exists underground in these 4 forms, and is worth extracting due to being a non-conventional natural gas. It is formed at large depth and under high temperature and high pressure in Middle Miocene or Pleistocene layers in rapid-subsidence marine basins. Explorations in the Yinggehai Basin indicate that geopressured gas has been formed at the deep part of the basin. Ledong 30-1 (sandstone body) is an example. |
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| Keywords: | geopressured gas non-conventional natural gas Yingge-hai Basin petroleum geology |
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