| 琼东南盆地N区陵水组油气运移聚集条件分析 |
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| 引用本文： | 刘福宁. 琼东南盆地N区陵水组油气运移聚集条件分析[J]. 石油学报, 1992, 13(3): 36-43. DOI: 10.7623/syxb199203006 |
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| 作者姓名： | 刘福宁 |
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| 作者单位： | 南海西部石油公司研究院 524057 |
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| 摘 要： | 通过对影响地震速度的岩性、孔隙流体性质、孔隙流体压力、沉积年代等因素的分析,认为地震速度可以反映地下流体压力的变化.从盆地边缘到中心建立了单层速度趋势方程,用单层等效深度法计算了地层压力,推算了水势和气势,分析了纵横向的水动力条件,以及油气运移方向和可能的聚集带.
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| 关 键 词： | 琼东南盆地 地层压力 层速度 水动力条件 油气运移 油气聚集 |
| 收稿时间： | 1990-11-17 |
AN ANALYSIS OF THE CONDITIONS FOR OIL AND GAS MIGRATION AND ACCUMULATION OF LINSHUI GROUP IN REGION N,QIONGDONGNAN BASIN |
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| Liu Funing. AN ANALYSIS OF THE CONDITIONS FOR OIL AND GAS MIGRATION AND ACCUMULATION OF LINSHUI GROUP IN REGION N,QIONGDONGNAN BASIN[J]. Acta Petrolei Sinica, 1992, 13(3): 36-43. DOI: 10.7623/syxb199203006 |
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| Authors: | Liu Funing |
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| Affiliation: | Research Institute, Western Nanhai Petroleum Corp |
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| Abstract: | By an analysis of factors affecting the velocity of seismic wave,such as Lithology,propertices of porefluids,porefluid pressure,and age of sedimentation,it is considered that seismic wave velocity can reflecte the change of subsurface fluid pressure,Trend equations of interval velocity in a single formation from boarder to the centre in a basin are established,formation pressures and water potentials as well as gas potentials are easily estimated by means of an equivalent formation depth technique,and then vertical and horizontal hydrodynamic conditions are analyzed to give an interpretation of the direction of oil and gas migration and point out the possible petroleum accumulation zone. |
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