本文選題：巖性油氣藏 + 沉積微相�。� 參考：《東北石油大學(xué)》2017年碩士論文

【摘要】：長豐鎮(zhèn)構(gòu)造帶位于霸縣凹陷文安斜坡南部,是文安斜坡四個鼻狀構(gòu)造帶之一。該構(gòu)造帶為東抬西傾繼承性發(fā)育的斜坡,斷裂不發(fā)育,為一弱構(gòu)造活動區(qū)。而構(gòu)造不發(fā)育也讓該區(qū)成為整個斜坡區(qū)勘探程度最低的區(qū)帶,鉆井密度僅為0.1067/km2。目前只在S88井區(qū)、W96井區(qū)發(fā)現(xiàn)油田。受限于地震資料品質(zhì)差、沉積儲層研究不系統(tǒng)、油氣成藏機理不明,近年來對該區(qū)微幅構(gòu)造和巖性油藏的勘探進展不大。本文首先以層序地層學(xué)為指導(dǎo),綜合鉆井、地震和分析化驗等資料為基礎(chǔ),建立長豐鎮(zhèn)地區(qū)統(tǒng)一的三級或四級等時地層格架。劃分出6個三級層序,并在層序劃分的基礎(chǔ)上,在主要目的層?xùn)|三段、沙一段劃分出了四級層序;利用層序標(biāo)定對15個層序界面精細構(gòu)造解釋,搭建層序格架。在高分辨率層序格架內(nèi)分析層序界面、古地貌控砂機理對該區(qū)的沉積背景和物源方向進行解剖;運用地震屬性分析、測井約束反演等技術(shù),對各層序沉積相類型、沉積特征和砂體平面分布規(guī)律進行研究,預(yù)測有利儲層分布相帶和分布地區(qū);結(jié)合該區(qū)成藏特征分析,指出下步勘探的油藏類型和巖性油藏發(fā)育區(qū)。
[Abstract]:Changfengzhen structural belt is located in the south of Wenan slope in Baxian sag, which is one of the four nose-like structural belts of Wenan slope. The tectonic belt is an inherited slope of eastward uplift and westward inclination. The fault is not developed, and it is a weak tectonic active area. The lack of structural development also makes the region the lowest exploration zone in the entire slope area, with a drilling density of only 0.1067 / km ~ (2). At present, only oil fields are found in well W96 in well S88. Limited by the poor quality of seismic data, the study of sedimentary reservoir is not systematic, the mechanism of oil and gas accumulation is not clear, and the exploration of microstructural and lithologic reservoirs in this area has not made much progress in recent years. In this paper, based on sequence stratigraphy and comprehensive drilling, seismic and analytical data, a unified third or fourth order isochronous stratigraphic framework is established in Changfeng town. On the basis of the division of the sequence, the third member of the main target layer and the first member of the main target layer are divided into four sequences, and the sequence framework is constructed by using sequence calibration to interpret the fine structure of the 15 sequence interfaces. In order to analyze the sequence interface in the high-resolution sequence framework, the paleogeomorphic sand control mechanism is used to dissect the sedimentary background and source direction of the area, and the types of each sequence sedimentary facies are analyzed by using seismic attribute analysis, logging constrained inversion and other techniques. The sedimentary characteristics and the horizontal distribution of sand bodies are studied to predict the favorable reservoir distribution facies belt and distribution area, and the reservoir types and lithologic reservoir development areas of the next exploration are pointed out in combination with the analysis of the reservoir forming characteristics in this area.
【學(xué)位授予單位】：東北石油大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：P618.13

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