本文選題：松遼盆地肇 + 10井區(qū)沉積微相儲層特征儲量豐度評價��； 參考：《中國地質(zhì)大學(北京)》2015年碩士論文

【摘要】：松遼盆地肇10井區(qū)位置處于黑龍江省大慶市肇州縣境內(nèi),面積為8.21km2。井區(qū)葡萄花油層是典型的低滲透油藏,其存在地質(zhì)特征認知不清,評價級次較低等問題,論文結(jié)合前人的研究成果,充分運用構(gòu)造地質(zhì)學、沉積巖石學和石油地質(zhì)學等理論,對葡萄花油藏的地質(zhì)特征進行了深入的分析與總結(jié)。通過對該區(qū)的構(gòu)造特征、沉積微相、儲層與油藏特征進行的研究分析,最終對井區(qū)的儲量進行綜合評價,并提出了新井部署方案,取得的認識成果主要有:(1)深化了區(qū)塊構(gòu)造特征,研究區(qū)斷層分布復(fù)雜,主要發(fā)育近南北向與近東西向斷層相互切割而成棋盤狀斷塊構(gòu)造。(2)識別出井區(qū)內(nèi)葡萄花油層主要發(fā)育水下分流河道、河口壩、席狀砂和前緣泥4種沉積微相。指出各小層沉積微相的展布具有相似性,主體發(fā)育為一條從西北方向進入向東南方向延伸的水下分流河道,局部發(fā)育河口壩,并廣泛分布席狀砂。(3)明確井區(qū)儲層整體表現(xiàn)為低孔低滲的特征,根據(jù)孔隙度、滲透率和泥質(zhì)含量3項參數(shù)將儲層具體劃分為三類,以集中分布在水下分流河道和席狀砂中的B類儲層為主。(4)井區(qū)油藏類型主要為受構(gòu)造控制的斷塊油氣藏。將井區(qū)劃分為8個小斷塊,并根據(jù)儲量豐度對其進行了評價,評價出Ⅰ級斷塊4個,Ⅱ級斷塊4個,重點對評價級別高的斷塊進行井位部署。
[Abstract]:Zhaozhou County, Daqing City, Heilongjiang Province is located in Zhao10 well area of Songliao Basin with an area of 8.21km2. The Putaohua reservoir in well area is a typical low permeability reservoir, which has some problems such as unclear cognition of geological characteristics and low evaluation level. In this paper, the theories of tectonic geology, sedimentary petrology and petroleum geology are fully utilized in combination with the previous research results. The geological characteristics of grape flower reservoir are analyzed and summarized. Through the study and analysis of the structural characteristics, sedimentary microfacies, reservoir and reservoir characteristics in this area, the reserves in the well area are evaluated synthetically, and a new well arrangement scheme is put forward. The main results obtained are as follows: (1) deepening the structural characteristics of the block, and the distribution of faults in the study area is complex. A chessboard fault block structure, which is mainly cut from the nearly north-south and near-east-west faults, is used to identify four sedimentary microfacies in the Gaohua oil reservoir in the well area, such as underwater distributary channel, estuarine dam, sheet sand and front mud. It is pointed out that the distribution of sedimentary microfacies in each layer is similar, and the main body is an underwater distributary channel extending from northwest to southeast, and the estuarine dam is locally developed. It is clear that the reservoir in the well area is characterized by low porosity and low permeability. According to the three parameters of porosity, permeability and muddy content, the reservoir can be classified into three categories. The type B reservoir in the subaqueous distributary channel and sheet sand is the main reservoir type in the well area. The reservoir type is mainly fault-block oil and gas reservoir controlled by structure. The well area is divided into 8 small fault blocks and evaluated according to the reserve abundance, and 4 grade I and II fault blocks are evaluated, with emphasis on well location deployment of high grade fault blocks.
【學位授予單位】：中國地質(zhì)大學(北京)
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TE31;P618.13

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本文編號：1796294