【摘要】：江橋南地區(qū)位于松遼盆地北部西部斜坡上,前期對(duì)于油氣的認(rèn)識(shí)主要集中于中深層,對(duì)其淺層構(gòu)造及儲(chǔ)層認(rèn)識(shí)不足。為了加快油氣勘探開發(fā),拓展油氣勘探領(lǐng)域,針對(duì)江橋南地區(qū)淺層,本文從構(gòu)造解釋和儲(chǔ)層預(yù)測(cè)方面進(jìn)行重點(diǎn)研究,對(duì)其進(jìn)行精細(xì)構(gòu)造解釋,研究其構(gòu)造特征、形態(tài)以及圈閉特征,優(yōu)選有利方法進(jìn)行儲(chǔ)層預(yù)測(cè),從而為下一步油氣勘探開發(fā)奠定堅(jiān)實(shí)的基礎(chǔ)。研究區(qū)構(gòu)造形態(tài)簡(jiǎn)單,整體為西高東低的斜坡構(gòu)造背景。本文利用三維地震資料進(jìn)行精細(xì)構(gòu)造解釋,落實(shí)了該區(qū)的構(gòu)造特征,研究認(rèn)為該區(qū)經(jīng)歷多次構(gòu)造運(yùn)動(dòng)之后,形成一個(gè)貫穿南北的區(qū)域大斷層,該斷層多期活動(dòng),早期控盆、后期逆沖反轉(zhuǎn)沿?cái)鄬訓(xùn)|側(cè)形成南北向條帶狀的褶皺帶,并在淺層形成繼承性發(fā)育的背斜構(gòu)造圈閉。其余斷層為發(fā)育規(guī)模較小、橫向延伸長(zhǎng)度短、中部斷層南北方向多、東北部斷層北北東向的特點(diǎn)。該區(qū)儲(chǔ)層厚度不均,厚薄互層。本文以測(cè)井資料為基礎(chǔ),建立各層段井震對(duì)比格架,將研究區(qū)淺層劃分為16個(gè)基本預(yù)測(cè)單元,利用地質(zhì)統(tǒng)計(jì)學(xué)反演方法開展儲(chǔ)層反演巖性預(yù)測(cè),認(rèn)為研究區(qū)淺層砂巖發(fā)育,其中嫩三段儲(chǔ)層最為有利,為淺層有利層段。最后,綜合研究區(qū)構(gòu)造及其儲(chǔ)層特征,優(yōu)選淺層嫩三段為有利區(qū)帶。
[Abstract]:Jiangqiao South area is located on the western slope of the northern Songliao Basin. The previous understanding of oil and gas is mainly concentrated in the middle and deep layers, but the shallow structure and reservoir are not well understood. In order to speed up the exploration and development of oil and gas and expand the field of oil and gas exploration, aiming at the shallow layer in Jiangqiao South area, this paper focuses on structural interpretation and reservoir prediction, carries out fine structural interpretation and studies its structural characteristics. In order to lay a solid foundation for oil and gas exploration and development in the next step, the morphology, trap characteristics and favorable selection method are used for reservoir prediction. The structure of the study area is simple, the whole is the west high east low slope structure background. In this paper, three dimensional seismic data are used for fine structural interpretation, and the structural characteristics of the area are carried out. It is considered that after many tectonic movements, the area has formed a large fault running through the north and south, the fault is active in many phases, and the basin is controlled in the early stage. The late thrusting inversion formed a north-south zonal fold belt along the east side of the fault and formed inherited anticline structural traps in the shallow layer. The other faults are characterized by small development scale, short transverse extension length, more north-south direction of the central fault and NNE direction of the northeast fault. The reservoir in this area is uneven in thickness and interbedded in thickness. On the basis of logging data, this paper establishes a well seismic correlation framework for each interval, divides the shallow layer in the study area into 16 basic prediction units, uses the method of geostatistical inversion to predict the reservoir inversion lithology, and considers that the shallow sandstone is developed in the study area. Among them, the third member of Nen formation is the most favorable reservoir, which is the shallow favorable formation. Finally, synthesizing the structure and reservoir characteristics of the study area, the favorable zone is selected as the third member of shallow layer.
【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
【分類號(hào)】：P618.13

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本文編號(hào)：2143337