本文選題：巖漿巖 + 巖相�。� 參考：《油氣地質(zhì)與采收率》2017年01期

【摘要】：黃河口凹陷南坡古近系巖漿巖內(nèi)鉆遇良好油氣顯示,但由于巖漿巖時空展布差異大、巖性復(fù)雜、非均質(zhì)性強,導(dǎo)致地震資料信噪比低、地震響應(yīng)差等,巖漿巖有利儲層預(yù)測難度較大。為此,通過系統(tǒng)分析壁心、測井及地震等資料,在建立巖漿巖巖相—測井相—地震相"三相"耦合關(guān)系的基礎(chǔ)上,應(yīng)用方差體、振幅類屬性和波阻抗反演等方法有效刻畫巖漿巖展布特征�；诿舾械卣饘傩�、反演結(jié)果與巖漿巖巖性組合關(guān)系,明確巖漿活動時空演化史并構(gòu)建不同時期的巖漿活動模式。最終綜合壁心、野外露頭資料,在詳細分析巖漿巖儲層特征和主控因素的基礎(chǔ)上,應(yīng)用古地貌背景約束下的振幅屬性和反演等方法,有效刻畫了巖漿巖有利儲層發(fā)育區(qū),并得到了實鉆驗證。
[Abstract]:The Paleogene magmatic rocks in the southern slope of Huanghekou depression are well exposed to oil and gas. However, due to the large spatial and temporal distribution of magmatic rocks, complex lithology and strong heterogeneity, the signal-to-noise ratio of seismic data is low and the seismic response is poor, etc.It is difficult to predict the favorable reservoir of magmatic rock.Therefore, based on the systematic analysis of wall core, logging and seismic data, and on the basis of establishing the "three-phase" coupling relationship between magmatic rock facies, logging facies and seismic facies, the variance body is applied.Amplitude attributes and wave impedance inversion are effective in characterizing the distribution of magmatic rocks.Based on the sensitive seismic attributes and the relationship between inversion results and magmatic lithologic assemblages, the temporal and spatial evolution history of magmatic activities and the magmatic activity models in different periods are established.Finally, synthesizing the wall core and outcrop data in the field, on the basis of the detailed analysis of the reservoir characteristics and main controlling factors of magmatic rock, and applying the amplitude attribute and inversion method under the constraints of paleogeomorphic background, the authors effectively depict the favorable reservoir development area of magmatic rock.It is verified by real drilling.
【作者單位】： 中海石油(中國)有限公司天津分公司;中國石油大學(xué)(華東)地球科學(xué)與技術(shù)學(xué)院;
【基金】：國家科技重大專項“近海大中型油氣田形成條件與分布”(2011ZX05023-006)
【分類號】：P618.13

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