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題 名 | 儲集岩電測分析參數 a-m-n 特性在電測分析上之應用=The Application of Logging Parameters a-m-n Characteristic in Log Analysis for a Specific Reserveoir Rock |
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作 者 | 陳大麟; 吳世雄; | 書刊名 | 探採研究彙報 |
卷 期 | 21 1998.11[民87.11] |
頁 次 | 頁425-448 |
分類號 | 457.2 |
關鍵詞 | 電測解釋; 折曲度係數; 膠結因數; 飽和度指數; Log interpretation; Tortuosity coefficient; Cementation factor; Saturation exponent; |
語 文 | 中文(Chinese) |
中文摘要 | 電阻是電測分析中最主要的岩石物性,因其可以估算地層之含水飽和度,這是油 氣層蘊藏量評估中最重要的參數之一。地層電阻與含水飽和度之間存在著亞奇方程式的關係 , 其中的參數 a、m、n 就是串聯這些關係的重要參數,本研究之目的即在於以岩心實際量 測這些參數。 本研究以離心法改變岩心之含水飽和度, 並以 Berea 砂岩先行驗證,可獲致合理的結果。 接著再以 CFC-12 及 CFC-16 兩井之岩心進行試驗, 研究結果顯示 CFC-12 岩心之 a 值為 0.93、m 值為 1.83、n 值則為 2.06,CFC-16 岩心之 m 值介於 1.77 至 1.98 之間。 |
英文摘要 | Electrical resistivity is a key rock property to estimate water saturation by the log analysis. Since water saturation is one of the most important parameters to evaluate the reserve in reservoir, it is necessary to study the correlation named Archie's equations. The Archie's equations relate the electrical resistivity and water saturation by the parameters a, m, and n. These parameters need to be determined and can be obtained by the experimental measurements. The purpose of this study is measured these parameters by core analysis. In this study, centrifuge was used to alter the water saturation of core plug. To verify the procedure and treatment during the experiments. Berea sandstone was used for the measurement first and a reasonable result was obtained. Then the reservoir cores were used in the experiments. In the case of CFC12, a, m, and n are 0.93, 1.83, and 2.06, respectively. In the core of CFC-16 m is in the range of 1.77 to 1.98. |
本系統中英文摘要資訊取自各篇刊載內容。