| 四川盆地下二叠统,上三叠统水动力场与天然气保存 |
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| 引用本文： | 王红,秦成明.四川盆地下二叠统,上三叠统水动力场与天然气保存[J].石油勘探与开发,1997,24(5):29-32. |
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| 作者姓名： | 王红 秦成明 |
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| 作者单位： | [1]石油大学 [2]四川石油管理局 |
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| 基金项目： | 国家重点科技攻关项目,!85－102－06 |
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| 摘 要： | 下二叠统和上三叠统储集层是四川盆地油气主力产层。在对其水动力场控制因素分析研究的基础上，对实测地层压力资料进行数据处理，分别建立了Ｐ１和Ｔ３地层压力预测模型。地层埋深，孔隙度，构造抬升率和褶皱强度等为现今水动力场的主要控制因素，其中地层埋深对地层压力的影响最大。
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| 关 键 词： | 盆地 早二叠纪 晚三叠纪 水动力场 天然气 |
THE LOWER PERMIAN AND UPPER TRIASSIC HYDRODYNAMIC FIELD AND GAS PRESERVATION IN SICHUAN BASIN |
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| Wang Hong.THE LOWER PERMIAN AND UPPER TRIASSIC HYDRODYNAMIC FIELD AND GAS PRESERVATION IN SICHUAN BASIN[J].Petroleum Exploration and Development,1997,24(5):29-32. |
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| Authors: | Wang Hong |
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| Abstract: | The Lower Permian and Upper Triassic formations are the main gas bearing zones in Sichuan basin. Based on the study of thecontrol factors to the Lower Permian and Upper Triassic hydrodynamic field, and processing the formation pressures, thispaper builds up a model for predicting formation pressure and confirms that the buried depth, porosity, rise ratio, foldintensity of structure etc. are the main control factors pf the present hydrodynamic field, of which the strongest factorscontrolling formation pressure is the buried depth. The present hydrodynamic field is unitedly formed after intensivetransform and incision by the Himalayan orogeny' The Permeated water system has destroy action to preserve gas, thereservoir only distributed in the sedimentary water system and the middle-normal pressure region is the favourabIe place togas preservation. |
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| Keywords: | Sichuan basin Early Permian epoch Late Triassic epoch Hydrodynamic condition Formation pressure Prediction Mathematical model Reservoir preservation condition (Control factor) |
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