本文選題：三肇凹陷 + 扶余油層�。� 參考：《東北石油大學(xué)》2017年碩士論文

【摘要】：三肇凹陷扶余油層勘探開發(fā)研究已有五十多年,卻未能在不同區(qū)塊之間以及多個開發(fā)區(qū)塊形成一套統(tǒng)一、精細(xì)的地層分層方案,并尚未對全區(qū)儲層沉積特征開展整體性的研究認(rèn)識。本文根據(jù)研究區(qū)內(nèi)巖心數(shù)據(jù)、測井?dāng)?shù)據(jù)、錄井?dāng)?shù)據(jù)、區(qū)域地質(zhì)資料并參考室內(nèi)綜合分析化驗研究,經(jīng)過反復(fù)篩選有利井位并進(jìn)行了構(gòu)造確認(rèn),從而建立區(qū)域性封閉骨架剖面;經(jīng)過對比測井曲線特征并進(jìn)行單砂體級沉積界面識別,多個開發(fā)區(qū)和不同區(qū)塊之間逐級閉合,最終在研究區(qū)建立等時地層格架�；诜治鰠^(qū)域沉積背景并結(jié)合地層厚度同時參考砂巖厚度特征,通過分析重礦物組合特征并精細(xì)解剖開發(fā)區(qū),三肇凹陷扶余油層存在兩套沉積物源體系,其南部主要受西南�？滴镌纯刂�,北部主要受東北拜泉—青岡物源影響,完成對三肇凹陷扶余油層1相2亞相15微相測井微相模式的研究。結(jié)合錄井資料,根據(jù)泥巖顏色厘定出FⅠ11~FⅠ42以及FⅢ42~FⅢ52湖盆范圍。在此基礎(chǔ)上,根據(jù)重礦物分布、油層組地層厚度、時間單元地層厚度以及砂體的展布規(guī)律,進(jìn)而厘定出每個時間單元的南北物源分界,繼而通過結(jié)合測井相模式、沉積相模式、地層等厚圖以及砂巖等厚圖對重點開發(fā)區(qū)以及全區(qū)沉積特征進(jìn)行系統(tǒng)研究,并歸納認(rèn)為三肇凹陷扶余油層總體上呈先水退后水進(jìn)的沉積演化序列,在FⅢ油層組表現(xiàn)為齒狀,為非常緩慢持續(xù)的水退,扶Ⅱ油層組表現(xiàn)為震蕩式水退,FⅠ油層組表現(xiàn)為緩慢水進(jìn),在扶Ⅰ油層下部表現(xiàn)為間歇性水進(jìn),在FⅠ4發(fā)育主力砂層,扶Ⅰ上部表現(xiàn)為緩慢水進(jìn),在最頂部FⅠ11水下分流河道相對發(fā)育,水還是相對比較淺,但是在扶Ⅰ頂為三套油頁巖,這個演化過程較為迅速的,水退最大期位于扶余油層中部的FⅡ1小層。
[Abstract]:Although the exploration and development of Fuyu reservoir in Sanzhao depression has been studied for more than 50 years, it has not been able to form a set of unified and fine stratigraphic layering schemes between different blocks and many development blocks. There is no overall understanding of reservoir sedimentary characteristics in the whole area. Based on the core data, logging data, regional geological data and laboratory comprehensive analysis and laboratory research, this paper establishes the regional closed skeleton profile by repeatedly screening the favorable well location and confirming the structure. By contrasting the logging curve and identifying the sedimentary interface of single sand body, several development zones and different blocks are closed step by step, and finally an isochronous stratigraphic framework is established in the study area. Based on the analysis of regional sedimentary background and the combination of formation thickness and sandstone thickness, by analyzing the characteristics of heavy mineral assemblage and fine dissecting the development zone, there are two sets of sediment source systems in Fuyu reservoir of Sanzhao sag. The southern part of the reservoir is mainly controlled by the southeastern Baokang provenance, and the northern part is mainly influenced by the Baiquan-Qinggang provenance in the northeast. The study on the microfacies model of 1 phase 2 subfacies 15 microfacies of Fuyu oil reservoir in Sanzhao sag has been completed. Based on the mud logging data, F 鈪，

本文編號：2110812