本文關(guān)鍵詞： 隔夾層 分布樣式 河口壩 構(gòu)型級次 勝坨油田　出處：《西南石油大學(xué)學(xué)報(自然科學(xué)版)》2017年02期 　論文類型：期刊論文

【摘要】：以勝坨油田二區(qū)沙二段8砂組為例,利用豐富的巖芯、動態(tài)監(jiān)測資料及密井網(wǎng)條件,采用層次約束和動態(tài)擬合的研究方法,分析河口壩儲層內(nèi)部隔夾層的類型、成因和表征級次,討論不同級次隔夾層的發(fā)育位置、沉積產(chǎn)狀、規(guī)模及分布樣式。研究表明,河口壩儲層內(nèi)部發(fā)育泥質(zhì)、物性隔夾層和鈣質(zhì)夾層3類。5級界面處的隔夾層限定河口壩復(fù)合體,位于復(fù)合河口壩頂部,泥質(zhì)、物性隔夾層側(cè)向拼接,呈連片狀,沿單層較連續(xù)分布,鈣質(zhì)夾層延伸規(guī)模小,呈孤立狀,離散分布;4級界面處發(fā)育泥質(zhì)夾層、物性夾層和鈣質(zhì)夾層,限定單一河口壩,位于單一河口壩相互疊置處,順單一河口壩頂部延伸,側(cè)向與5級界面斜交,離散分布;3級界面處的泥質(zhì)夾層、物性夾層和鈣質(zhì)夾層,限定單一河口壩內(nèi)部的增生體,數(shù)量多,厚度薄,分布離散,向湖心方向以低角度傾斜。
[Abstract]:Taking the 8 sand formation of the second member of Shahejie formation in Shengtuo Oilfield as an example, using abundant core, dynamic monitoring data and conditions of dense well pattern, using the method of hierarchical constraint and dynamic fitting, the types of intercalation inside the reservoir of estuarine dam are analyzed. The development location, sedimentary occurrence, scale and distribution pattern of intercalation in different grades are discussed. The study shows that mud is developed in the reservoir of estuarine dam. The estuarine dam complex, located at the top of the composite estuarine dam, is located at the top of the composite estuarine dam. The intercalation of physical property and the calcareous intercalation at the interface of grade 5 of class 5 is connected and flaky, and distributes continuously along the monolayer. The calcareous intercalation is small, isolated and discrete. The mud intercalation, physical intercalation and calcareous intercalation are developed at the interface of grade 4, which limits the single estuary dam, which is located at the superposition of the single estuary dam, extending along the top of the single estuary dam, oblique with the interface of grade 5, and distributed discretely. The muddy intercalation, physical intercalation and calcareous intercalation at the interface of grade 3 limit the number, thickness and dispersion of accretive bodies in a single estuary dam, and tilt to the center of the lake at a low angle.
【作者單位】： 中國地質(zhì)大學(xué)(北京)能源學(xué)院;中國石油大學(xué)(北京)地球科學(xué)學(xué)院;中國石油川慶鉆探工程有限公司地質(zhì)勘探開發(fā)研究院;
【基金】：國家科技重大專項(2011ZX05009-002;2011ZX05011-001)
【分類號】：TE33;P618.13
【正文快照】： 弓|言 布樣式,以期為河口壩儲層開發(fā)調(diào)整及剩余油挖潛提供地質(zhì)依據(jù),同時加深對河控三角洲河口壩儲層河控三角洲以河流建設(shè)作用為主,河道建設(shè)大 內(nèi)部隔夾層研究的認(rèn)識。大超過波浪和潮汐作用的改造[1]。由于河流能量充足,攜帶的沉積物多,河口壩砂體最為發(fā)育,也具備1地質(zhì)概況良

【參考文獻】

相關(guān)期刊論文 前10條

1 袁靜;梁繪媛;宋t，

本文編號：1459866