發(fā)布時間：2018-04-14 04:21

  本文選題：西部斜坡區(qū) + 薩爾圖油層　； 參考：《東北石油大學》2015年碩士論文

【摘要】：利用油氣鉆探和油氣顯示資料開展了西部斜坡區(qū)層序地層學、地震沉積學、構(gòu)造演化特征、油氣藏精細解剖和油氣分布規(guī)律等的系統(tǒng)研究,深入剖析了油氣成藏的主控因素和油氣富集區(qū)帶的分布規(guī)律,明確了下步勘探的重點方向。落實4個鼻狀構(gòu)造帶和1個地層尖滅帶,指出了鼻狀構(gòu)造帶及地層尖滅帶是油氣聚集富集的有利區(qū)帶,劃分了5個油氣聚集帶,且不同油氣藏聚集帶控制著不同類型油氣藏的分布。西部斜坡區(qū)具有三個主要物源區(qū),西北部物源、北部物源及西南部短物源區(qū),形成西北部物源沉積體系、北部物源沉積體系及西南部物源沉積體系。通過編制了薩爾圖油層細分層沉積相圖,明確了薩爾圖油層不同時期砂體分布規(guī)律及沉積充填特征,總結(jié)了沉積演化規(guī)律,指出了三角洲前緣及濱淺湖砂體是西斜坡成藏的有利儲集相帶。西斜坡富拉爾基-江橋地區(qū)主要含油層位為S23油層組;阿拉新-泰康地區(qū)主要含油層位為S0、S1;平洋主要含油層位為S0、S1,局部為S23。油氣聚集區(qū)的成藏特征和富集程度明顯受構(gòu)造和沉積砂體類型的共同控制,發(fā)育微幅度構(gòu)造油藏、巖性-構(gòu)造油藏、構(gòu)造-巖性及砂巖上傾尖滅、砂巖透鏡體巖性等多種油氣藏類型。結(jié)合構(gòu)造、斷裂、沉積及油氣運移等因素,建立了研究區(qū)域成藏模式,綜合分析了控藏的主要因素,認定鼻狀構(gòu)造帶、斷裂帶和地層尖滅部位最有利油氣富集成藏。S23劃分了5個有利油氣富集帶,S1劃分了4個有利油氣富集帶,明確油氣富集的有利部位。
[Abstract]:A systematic study of sequence stratigraphy, seismic sedimentology, structural evolution characteristics, fine anatomy of oil and gas reservoirs and distribution of oil and gas was carried out in the western slope using oil and gas drilling and oil gas display data.The main controlling factors of oil and gas accumulation and the distribution law of oil and gas rich areas are deeply analyzed, and the key direction of next exploration is defined.Four nasal structural zones and one stratigraphic pinnacle zone are implemented. It is pointed out that the nasal structural zone and the stratigraphic pinnacle zone are favorable zones for hydrocarbon accumulation and enrichment, and five oil and gas accumulation zones have been divided.Different oil and gas accumulation zones control the distribution of different types of oil and gas reservoirs.There are three main provenances in the western slope region, the northwest provenance, the northern provenance and the southwest short provenance region, which form the northwestern provenance system, the northern provenance system and the southwest provenance system.By compiling the sedimentary facies diagram of the subdivision layer in Saltu reservoir, the distribution law of sand body and the characteristics of sedimentary filling in different periods of Saltu reservoir are clarified, and the sedimentary evolution law is summarized.It is pointed out that the delta front and shallow lake sandbody are favorable reservoir facies zone for the west slope.The main oil-bearing formation of Fulargi-Jiangqiao area on the western slope is the S23 oil formation, the main oil-bearing horizon of Araxin-Taikang area is S0S1, and the main oil-bearing horizon of Pingyang is S0S1 with S23.The characteristics and enrichment of oil and gas accumulation area are obviously controlled by the types of structure and sedimentary sand body, and the micro-amplitude structural reservoir, lithology-structural reservoir, tectonic-lithology and sandstone updip pinnacle are developed.Sandstone lens lithology and other oil and gas reservoir types.Combined with the factors of structure, fault, sedimentation and oil and gas migration, the model of reservoir formation in the study area was established, and the main factors of controlling reservoir were analyzed synthetically, and the nasal structural zone was identified.S23, the most favorable oil-gas accumulation reservoir in fault zone and formation pinnacle, is divided into five favorable oil-gas enrichment zones and four favorable oil-gas enrichment zones.
【學位授予單位】：東北石油大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：P618.13

【參考文獻】

相關(guān)期刊論文 前1條

1 董春梅;張憲國;林承焰;;地震沉積學的概念、方法和技術(shù)[J];沉積學報;2006年05期

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本文編號：1747693