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利用井測資料及最佳化法估算導電性地層含水飽和度

Estimation of Water Saturation in Conductive Formation by Using Well Logging Data and Optimization Technology

摘要


本研究的主要目的是建立導電性地層之含水飽和度估算模式(稱為MCRMM模式),並利用最佳化法求得X油田之含水飽和度估算模式中的區域性經驗常數(撓曲因子(a)、膠結因子(m)、飽和因子(n)及導電地層參數(b'))。利用X油田G-1井及G-2井之岩心資料及最佳化分析,本研究獲得了X油田之撓曲因子(a)、膠結因子(m)、飽和因子(n)及導電地層參數(b')等區域性經驗常數值。本研究所推導之MCRMM模式(配合最佳化分析之區域性經驗常數)計算所得之含水飽和度估算值與岩心含水飽和度結果為最佳。

並列摘要


The purpose of this study is to establish the water saturation estimation model (called MCRMM) for a conductive formation and to use the optimization technology to get the regional Archie parameters (tortuosity (a), cementation exponent (m), and saturation exponent (n)) and conductive formation parameter (b') of X-field. In this study, the optimum regional empirical parameters including the tortuosity (a), cementation exponent (m), saturation exponent (n), and conductive formation parameter (b') in M-formation of X-field are determined from the G-I well and G-2 well core data and optimization analysis, Our results show that the estimated water saturation from the MCRMM model (combined with the regional empirical parameters by optimization analysis) was the optimum.

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