本文選題：磁化率測井 + 磁化率��； 參考：《油氣地質(zhì)與采收率》2017年02期

【摘要】：磁化率測井是一種高效環(huán)保的測井手段,其理論和應(yīng)用方法的不完善是未在油氣田廣泛應(yīng)用的根本原因。以河套盆地第四系為研究對象,綜合研究區(qū)A,B,C鉆探孔取心資料和磁化率測井?dāng)?shù)據(jù),結(jié)合沉積構(gòu)型和地磁理論,確立磁化率測井與各項地質(zhì)因素的關(guān)系,明確磁化率測井響應(yīng)的主控因素,建立研究區(qū)磁化率測井與常規(guī)測井相結(jié)合的測井響應(yīng)模式。結(jié)果表明:磁化率在有機(jī)質(zhì)豐度高、(順)磁性礦物豐富、泥質(zhì)—粉砂質(zhì)夾層發(fā)育和泥漿侵入段呈現(xiàn)高幅度異常;磁化率與有機(jī)質(zhì)含量的變化趨勢高度吻合,研究區(qū)鉆探井段磁化率最大值為137×10-5SI,磁化率與磁性礦物相對含量的相關(guān)系數(shù)達(dá)0.87,與水平層理和泥漿侵入規(guī)模呈正相關(guān);磁化率標(biāo)準(zhǔn)偏差百分比曲線反映沉積環(huán)境和水動力條件的變化。結(jié)合測井響應(yīng)特征,磁化率測井可廣泛應(yīng)用于碎屑巖沉積層序研究、烴源巖評價、粘土礦物識別和精細(xì)儲層表征。
[Abstract]:Magnetic susceptibility logging is a kind of high efficiency and environmental protection logging tool. The imperfect theory and application method is the fundamental reason why it is not widely used in oil and gas fields. Taking the Quaternary system of the Hetao Basin as the object of study, the core-taking data and magnetic susceptibility logging data from the AZB C drilling hole in the study area, combined with the sedimentary configuration and geomagnetic theory, are used to establish the relationship between the magnetic susceptibility logging and various geological factors. The main control factors of the magnetic susceptibility logging response were determined and a logging response model combining magnetic susceptibility logging with conventional logging was established. The results show that the magnetic susceptibility is abundant in the high organic matter abundance (paramagnetic) minerals, the development of the muddy silty intercalation and the mud invasion section show high amplitude anomaly, and the magnetic susceptibility is highly consistent with the change trend of the organic matter content. The maximum value of magnetic susceptibility is 137 脳 10 ~ (-5) SI, and the correlation coefficient between magnetic susceptibility and relative content of magnetic minerals is 0.87, which is positively correlated with horizontal bedding and mud invasion scale. The percentage curve of standard deviation of magnetic susceptibility reflects the variation of sedimentary environment and hydrodynamic conditions. The magnetic susceptibility logging can be widely used in the study of depositional sequence of clastic rocks, source rock evaluation, clay mineral identification and fine reservoir characterization.
【作者單位】： 中國石油大學(xué)(北京)地球科學(xué)學(xué)院;中國地質(zhì)科學(xué)院地質(zhì)力學(xué)研究所;中國地震局地球物理研究所;
【基金】：中國地質(zhì)調(diào)查局項目“特殊地質(zhì)地貌區(qū)填圖試點巖石物性測量”(DD20160060)
【分類號】：P631.81

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本文編號：1806462