本文選題：松遼盆地北部 + 泰康隆起帶��； 參考：《東北石油大學(xué)》2017年碩士論文

【摘要】：松遼盆地為國內(nèi)一個(gè)非海相沉積盆地,目前油氣資源在世界上是最富饒的。隨著勘探的深入以及日趨完善的理論,構(gòu)造控制形成的油氣藏發(fā)現(xiàn)幾率逐步減小,這就迫使在尋找油氣資源中完成中淺層油氣勘探由構(gòu)造控制的油氣藏向巖性地層控制的油氣藏的轉(zhuǎn)變。巖性地層圈閉形成的核心條件是地層、巖性在橫向上不連續(xù)。巖性圈閉識(shí)別及評(píng)價(jià)研究為潛在油氣勘探與井位優(yōu)選部署提供地質(zhì)理論依據(jù),對(duì)于突破松北西斜坡區(qū)姚家組油氣勘探的新動(dòng)態(tài)具有舉足輕重的實(shí)踐意義和現(xiàn)實(shí)借鑒價(jià)值。本文選取的研究對(duì)象是松北泰康隆起帶,以鉆井、測(cè)井、取芯、地震、地質(zhì)綜合資料為基礎(chǔ),充分運(yùn)用采用層序地層學(xué)、沉積學(xué)以及構(gòu)造等地質(zhì)理論與技術(shù)方法,深化基礎(chǔ)地質(zhì)認(rèn)識(shí),借助前人研究理論、方法及成果,來構(gòu)建松北西泰康隆起帶層序地層格架,解析縱向上儲(chǔ)-蓋組合形成難易程度、對(duì)油氣成藏形成是否有利等,綜合評(píng)價(jià)尋找有利的圈閉目標(biāo)。通過研究取得了如下結(jié)論和認(rèn)識(shí):1.對(duì)泰康隆起帶姚家組進(jìn)行四級(jí)層序劃分,建立了精細(xì)層序地層格架。通過單井四級(jí)層序旋回的劃分,完成了數(shù)口單井的沉積相剖面圖,和四級(jí)層序單元的工業(yè)化制圖,為后續(xù)研究奠定了基礎(chǔ)。2.在四級(jí)層序劃分的基礎(chǔ)上,井震結(jié)合建立了泰康隆起帶二維區(qū)目標(biāo)沉積體的高頻層序地層格架。完成了目的層細(xì)分層系的地震地質(zhì)沉積相剖面10條,明確了四級(jí)層序格架內(nèi)目標(biāo)沉積體的空間展布及發(fā)育特點(diǎn)。為精細(xì)落實(shí)沉積體范圍奠定了基礎(chǔ)。3.建立了研究區(qū)姚家組組的層序地層格架,姚家組為一個(gè)三級(jí)層序SQ6。4.研究明確了西斜坡區(qū)姚家組沉積體系域中發(fā)育地層超覆與三角洲前緣砂體形成的地層-巖性圈閉。5.松北西斜坡區(qū)三角洲前緣相發(fā)育,與其相關(guān)的地層、巖性圈閉類型較多。通過構(gòu)造和巖性體的綜合研究落實(shí)了各種類型的圈閉。SQ6-LST地層超覆尖滅和前緣砂體配置構(gòu)成地層-巖性圈閉;SQ6-HST三角洲前緣相砂體與鼻狀構(gòu)造疊合構(gòu)成構(gòu)造-巖性圈閉。6.在研究沉積體展布和構(gòu)造配置關(guān)系的基礎(chǔ)上,對(duì)泰康隆起帶部分二維區(qū)構(gòu)造-巖性圈閉、地層-巖性圈閉等進(jìn)行綜合分析評(píng)價(jià),SQ6-HST(姚二+三段)的3個(gè)圈閉為有利圈閉。7.研究認(rèn)為在泰康隆起帶斜坡部位易形成巖性上傾尖滅帶或地層-巖性超覆帶,砂體厚度適中,縱向上易形成良好的儲(chǔ)蓋組合,是有利的成藏。在有利圈閉評(píng)價(jià)的基礎(chǔ)上,通過對(duì)姚一段(SQ6-LST)、姚二+三段(SQ6-HST)形成的各種類型的有利圈閉進(jìn)行深入的綜合評(píng)價(jià),在西斜坡區(qū)優(yōu)選有利目標(biāo)圈閉1個(gè)。
[Abstract]:The Songliao basin is a non marine sedimentary basin in China. At present, the oil and gas resources are the most abundant in the world. With the deepening of the exploration and the increasingly perfect theory, the discovery probability of the oil and gas reservoirs formed by structural control gradually decreases, which forces the oil and gas exploration in the search for oil and gas to complete the lithology of the oil and gas reservoirs controlled by the structure. The core conditions for the formation of lithostratigraphic traps are strata and lithology in lateral discontinuity. The identification and evaluation of lithologic traps provide geological theoretical basis for potential oil and gas exploration and well location optimization, which is very important for breaking through the new developments in the oil and gas exploration of the Yao family in the west slope area of Songbei. The research object of this paper is the Matsukita Taeko uplift zone, which is based on drilling, logging, core extraction, seismic and geological comprehensive data, and using sequence stratigraphy, sedimentology and tectonics and other geological theories and techniques to deepen the basic geological knowledge, with the help of previous research theories, methods and achievements. The sequence stratigraphic framework of the West Taikang uplift zone, Songbei, is constructed to analyze the difficulty of formation of reservoir cap assemblage in the longitudinal direction, to find out whether the formation of oil and gas accumulation is favorable, and to find a favorable trap for comprehensive evaluation. Through the study, the following conclusions and understanding are obtained: 1. the four sequence stratigraphy of the Yao Jia formation in Taikang uplift was divided and the fine sequence stratigraphy was established. By dividing the four order sequence cycles of single well, the sedimentary facies profiles of several single wells and the industrial mapping of the four sequence sequence units are completed. Based on the division of the four order sequence, the well seismic combination has established the high frequency sequence stratigraphic framework of the two-dimensional area target sedimentary body of the Taikang uplift zone. 10 sections of the seismic geological sedimentary facies section of the stratified stratified strata have clearly defined the spatial distribution and development characteristics of the target sedimentary bodies in the four order sequence framework. For the fine implementation of the sedimentary range, the sequence stratigraphic framework of the Yao Jia formation in the study area was established by.3.. The Yao Jia formation has defined the Yao's family in the west slope area for a sequence of three sequence SQ6.4.. In the sedimentary system, the stratigraphic and lithologic traps formed by the stratigraphic and delta front sand bodies are developed in the delta front of the Songbei west slope area of.5., and there are many types of lithologic traps in the strata related to it. On the basis of the relationship between the structure and structure of the sedimentary bodies, the structure lithologic trap.6. of the SQ6-HST delta front edge facies sand body and the nasal structure formed a comprehensive analysis and evaluation of some two-dimensional tectonic lithologic traps and stratigraphic lithologic traps in the Taikang uplift zone, and 3 cycles of SQ6-HST (Yao two + three section). The study on the favorable trap.7. suggests that lithologic dip and lithologic overlying zones are easily formed on the slope of the Taikang uplift zone, and the sand body is moderate in thickness, and is easy to form a good reservoir cap assemblage in the longitudinal direction. On the basis of favorable trap evaluation, various classes of Yao Yi section (SQ6-LST), Yao two + three segment (SQ6-HST) are formed. A comprehensive evaluation of the favorable traps is carried out, and 1 favorable target traps are selected in the west slope area.
【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)：1927640