| 毛管压力曲线分析新方法及其在油气藏描述中的应用 |
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| 引用本文： | 廖明光 巫祥阳. 毛管压力曲线分析新方法及其在油气藏描述中的应用[J]. 西南石油大学学报(自然科学版), 1997, 19(2): 5-9. DOI: 10.3863/j.issn.1000-2634.1997.02.02 |
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| 作者姓名： | 廖明光 巫祥阳 |
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| 作者单位： | (1.勘探系；2.胜利油田临盘钻探公司) |
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| 摘 要： | 通过对毛管压力曲线的双曲线拟合,从压汞毛管压力资料中提取一个储层孔隙结构方面新的重要参数RA,其物理意义是汞在岩石中开始形成一个连续且内部连通良好的孔隙系统时的孔喉半径。并通过实例用RA顶点的大小评价储层的好坏及油气聚集部位,效果十分理想。
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| 关 键 词： | 孔隙结构 孔隙喉道半径 储集层评价 油气聚集 |
| 收稿时间： | 1996-10-18 |
A new pore-structure parameter RApex and its application in reservoir studies |
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| Liao Ming-guang Wu Xiang-yang. A new pore-structure parameter RApex and its application in reservoir studies[J]. Journal of Southwest Petroleum University(Seience & Technology Edition), 1997, 19(2): 5-9. DOI: 10.3863/j.issn.1000-2634.1997.02.02 |
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| Authors: | Liao Ming-guang Wu Xiang-yang |
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| Affiliation: | (Dept. of exploration, SWPI, Sichuan, 637001) |
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| Abstract: | Many parameters extracted from mercury injection curves have been used to describe the character of reservoir pore structures. In this paper, a new pore-structure parameter, RApex, derived from mercury injection capillary pressure data is introduced. The physical meaning of RApex is the pore throat radium of a pore system with good internal connection and continuity formed when mercury is injected into the rock sample. The procedure to obtain RApex is described. Applications of RApex are illustrated with a gas-field case study in which the parameter was used for grading reservoirs and delineating stratigraphic positions favorable for hydrocarbon accumulation, and satisfactory results were obtained. |
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| Keywords: | Pore structure Pore throat radius Reservoir evaluation Hydrocarbon accumulation |
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