本文選題：精細(xì)解釋 + 波阻抗�。� 參考：《東北石油大學(xué)》2017年碩士論文

【摘要】：隨著石油勘探工作的不斷深入,一些新的地震儲(chǔ)層預(yù)測(cè)技術(shù)的涌現(xiàn),特別是針對(duì)我國(guó)一些薄油層、砂泥巖交互沉積的地區(qū),應(yīng)用科學(xué)的分析方法和先進(jìn)的巖性預(yù)測(cè)軟件能大大地提高儲(chǔ)層的預(yù)測(cè)精度,可以有效地改善油田的鉆井開(kāi)發(fā)效果。喇嘛甸油田是大慶油田的老區(qū)之一,也是大慶油田穩(wěn)產(chǎn)的現(xiàn)實(shí)區(qū)塊,油田的開(kāi)發(fā)已經(jīng)進(jìn)入高含水期,剩余油零散分布,單純依靠測(cè)井資料難以進(jìn)行高含水后期精細(xì)剩余油挖潛工作。在認(rèn)真分析和借鑒前人研究成果的基礎(chǔ)上,充分利用地震、測(cè)井和鉆井資料,對(duì)喇嘛甸油田北東一區(qū)展開(kāi)了深入細(xì)致的研究,對(duì)該區(qū)的薩爾圖油層組進(jìn)行了精細(xì)解釋,共解釋26個(gè)層位;落實(shí)了微小斷層和微幅度構(gòu)造的分布特征。本文采用了InverTracePlus反演和地震參數(shù)反演結(jié)合的方法,取長(zhǎng)補(bǔ)短,把InverTracePlus反演的結(jié)果和地震參數(shù)反演結(jié)果的高頻部分合并,拓寬了InverTracePlus反演結(jié)果的頻帶,提高了縱向上識(shí)別小層的能力,通過(guò)對(duì)該區(qū)地層巖性、儲(chǔ)層敏感測(cè)井參數(shù)分析和一系列的反演實(shí)驗(yàn),發(fā)現(xiàn)自然電位能很好地區(qū)分砂、泥巖,因此我們選用SP重構(gòu)波阻抗來(lái)進(jìn)行反演,該方法能精細(xì)刻畫(huà)本區(qū)的主要儲(chǔ)層的空間展布,可有效識(shí)別厚度大于2m以上的砂體,對(duì)于1~2m厚度的砂巖在一定程度上也可以識(shí)別,反演結(jié)果比較可靠。有效地解決了喇嘛甸油田北東一區(qū)儲(chǔ)層反演的難題。通過(guò)本文研究,不僅可以為該區(qū)的油氣勘探開(kāi)發(fā)工作提供有價(jià)值的科學(xué)參考依據(jù),同時(shí)也為隱蔽油氣藏的勘探開(kāi)發(fā)積累了經(jīng)驗(yàn)。
[Abstract]:With the deepening of petroleum exploration, some new seismic reservoir prediction techniques have emerged, especially in some areas of China where thin oil layers, sand and mudstone deposits are interactively deposited. The application of scientific analysis method and advanced lithology prediction software can greatly improve the reservoir prediction accuracy and effectively improve the drilling and development effect of oil fields. Lamadian Oilfield is one of the old areas of Daqing Oilfield, and it is also a realistic block of stable production in Daqing Oilfield. The development of the oilfield has entered a period of high water cut, and the remaining oil is distributed scattered. It is difficult to excavate the potential of fine remaining oil in the late stage of high water cut by relying solely on logging data. On the basis of careful analysis and reference of previous research results, and making full use of seismic, logging and drilling data, a thorough and meticulous study has been carried out on the first area of the North East of Lamadian Oilfield, and a fine interpretation of the Saltu reservoir formation in this area has been carried out. A total of 26 horizons have been interpreted and the distribution characteristics of micro faults and micro amplitude structures have been implemented. In this paper, the method of combining InverTracePlus inversion with seismic parameter inversion is used to learn from each other, combining the result of InverTracePlus inversion with the high frequency part of the result of seismic parameter inversion, which widens the frequency band of InverTracePlus inversion results and improves the ability of identifying small layers vertically. Through the analysis of formation lithology, reservoir sensitive logging parameters and a series of inversion experiments, it is found that natural potential can distinguish sand and mudstone well, so we choose SP reconstructed wave impedance to carry out inversion. This method can accurately describe the spatial distribution of the main reservoirs in this area, and can effectively identify sand bodies more than 2m in thickness, and can also be recognized to a certain extent for sandstone with a thickness of 1 ~ 2 m, and the inversion results are relatively reliable. The problem of reservoir inversion in the first area of North East of Lamadian Oilfield has been solved effectively. The research in this paper not only provides a valuable scientific reference for the exploration and development of oil and gas in this area, but also accumulates experience for the exploration and development of subtle oil and gas reservoirs.
【學(xué)位授予單位】：東北石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：P618.13;P631.4

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