【摘要】：薩中開發(fā)區(qū)位于薩爾圖背斜構造中部,呈西陡、東緩、中部比較平坦的形態(tài),是大慶長垣北部的一個局部構造。油藏精細描述發(fā)現(xiàn),全區(qū)共有斷層82條,絕大多數(shù)斷層在構造的軸部和西翼發(fā)育,且均為正斷層,多為北西、北北西方向延伸。其中,北一、二排西部位于薩爾圖背斜構造西翼北部,落實到高一油層組頂構造圖上,共發(fā)育11條斷層。研究表明,所研究區(qū)塊油層最初形成時由于地殼上升,水域不斷縮小,海(湖)岸線向海洋(湖心)一側退縮,因此一層砂石,一層泥相互交織沉積形成了三角洲-陸地河流形態(tài),該層段組成是白堊系。在油層孔滲特征上,總體表現(xiàn)為隨滲透率增大,平均孔隙半徑和半徑中值增大的特點。沉積相上表現(xiàn)為三角洲前緣相沉積,主要以外前緣相沉積為主,其砂體粒度細、泥質和鈣含量高、油層物性較差。非均質性上,整體表現(xiàn)為韻律段間差異、層間滲透率差異較小,平面上砂體發(fā)育較穩(wěn)定,連續(xù)性較好,油層相對較均質。采用容積法對儲量進行了精確計算,結果表明,北一、二排西部高臺子油層地質儲量為1372.1×104t,其中表內油層地質儲量為825.1×104t,表外油層地質儲量為448.5×104t,油水同層地質儲量為98.5×104t。隨著油田開發(fā)的深入,北一、二排西部高臺子油層開發(fā)矛盾越來越突出,集中體現(xiàn)在:一是現(xiàn)階段在高臺子油層所布的井網(wǎng)分屬不同時期,不同組合,統(tǒng)一調整工作比較復雜;二是對于注水量需求較大,目前的注水井滿足不了生產(chǎn)需要,這也造成許多油井產(chǎn)液量嚴重不足;三是采油井中高臺子和薩葡油層不分層開采會形成嚴重的層間干擾,使得高臺子油層受到影響而降低產(chǎn)液量。因此需要通過加密調整來改善開發(fā)效果。按照“整體研究、統(tǒng)一部署、細分層系、縮小井距”的原則設計高臺子油層加密井網(wǎng),以期達到減緩油層產(chǎn)量遞減速度,改善油層開發(fā)效果,提高油層采收率的目的。最終確定五點法面積井網(wǎng)開發(fā)高臺子油層,注采井數(shù)比確定為1:1.33更加合理。
[Abstract]:Sazhong Development Zone, located in the middle of Saltu anticline, is a local structure in the north of Daqing Placanticline. The detailed description of the reservoir shows that there are 82 faults in the whole area, most of which are developed in the axis and the western wing of the structure, and they are normal faults, most of which are north west, north west and north west extending. The north and west of the first and second rows are located in the north of the western wing of the Saltu anticline, and 11 faults have been developed on the top structural map of the Gaoyi formation. The study shows that when the oil layer of the block in question initially formed, because the crust was rising and the waters were shrinking, the shoreline of the sea (lake) retreated to the side of the ocean (the center of the lake), so it was a layer of sand and stone. A layer of mud interweaves to form a delta-land river form, which is composed of Cretaceous. The characteristics of porosity and permeability in reservoir are as follows: with the increase of permeability, the mean pore radius and median radius increase. The sedimentary facies are delta front facies, mainly outer front facies, with fine grain size of sand body, high content of mud and calcium, and poor physical properties of reservoir. In terms of heterogeneity, the overall performance is the difference between rhythmic segments, the difference of interlayer permeability is small, the development of sand body on the plane is more stable, the continuity is better, and the reservoir is relatively homogeneous. The volume method is used to accurately calculate the reserves. The results show that the geological reserves of the Gaotaizi reservoir in the first and second rows of North China are 1372.1 脳 10 ~ 4t, in which the geologic reserves of the oil layers in the surface are 825.1 脳 10 ~ 4t, the geological reserves of the oil reservoirs off the surface are 448.5 脳 10 ~ 4t, and the geological reserves of the same oil and water layers are 98.5 脳 10 ~ 4t. With the development of oil field, the contradiction of the development of Gaotaizi reservoir in the first and second rows of North China has become more and more prominent, which is embodied in the following aspects: firstly, the well pattern distributed in Gaotaizi reservoir belongs to different periods at the present stage, different combinations, and the unified adjustment work is more complicated; Second, there is a large demand for water injection, and the current water injection wells cannot meet the production needs, which also results in a serious shortage of liquid production in many wells; third, the unstratified production of Gao Taizi and Sapu reservoirs in the production wells will result in serious interlayer interference. The formation of Gaotaizi oil is affected and the liquid production is reduced. Therefore, encryption adjustment is needed to improve the development effect. According to the principle of "overall research, unified deployment, subdivision of strata, and reduction of well spacing", the infill well pattern of high Taizi reservoir is designed in order to slow down the rate of production decline, improve the effect of reservoir development and increase oil recovery. Finally, it is more reasonable to determine the number of injection-production wells to be 1: 1.33 for the development of Gaotaizi reservoir with five-point area pattern.
【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】：TE34

【相似文獻】

相關期刊論文 前10條

1 ;北一鑄造:依托技術創(chuàng)新贏得市場[J];特種鑄造及有色合金;2010年07期

2 李晨巖;;大慶油田北一區(qū)斷西產(chǎn)能項目建設方式的改進[J];油氣田地面工程;2011年04期

3 趙樹忠;;X62W銑床快速進給傳動的改進[J];機械制造;1990年05期

4 韋佩昌,歐陽健彪,鄭壯志;海南北一主礦體深部開拓運輸方案的探討[J];中國礦業(yè);2000年S1期

5 ;海南礦業(yè)北一地采項目動工[J];現(xiàn)代礦業(yè);2010年01期

6 邱其祥;劉昊;賁飛;白國良;;應用“三帶”理論對北一東2_(-3)煤層上行開采的研究與應用[J];礦山測量;2014年04期

7 何建宇;湯進;;植根油田綻春蕾——記大慶油田采油四廠一礦北一隊李雪蓮[J];中國石油和化工;2010年09期

8 李瑜慧,曹廣勝,劉曉娟,閻亞茹,劉啟;大慶北一區(qū)斷西薩零組油層開發(fā)可行性分析[J];大慶石油學院學報;2003年02期

9 劉園;;旗人繁華在這里延伸[J];中華手工;2011年06期

10 謝世誠;而今邁步——徐靜訪談[J];信息系統(tǒng)工程;2003年03期

相關會議論文 前2條

1 崔志成;;堅持戰(zhàn)略引領,實現(xiàn)創(chuàng)新發(fā)展[A];CCMT2010創(chuàng)新發(fā)展高層論壇文集[C];2010年

2 范黎波;王肅;;基于組織學習視角的跨國公司成長戰(zhàn)略——基于北一并購德國科堡的案例分析[A];第六屆（2011）中國管理學年會——組織與戰(zhàn)略分會場論文集[C];2011年

相關重要報紙文章 前10條

1 本報記者　 隆學武 朱婭瓊;北一搬遷：惹眼的多幕劇[N];中國工業(yè)報;2006年

2 本報記者 蘭海俠;斬獲高額訂單 北一技術主打戰(zhàn)略彰顯[N];機電商報;2007年

3 本報記者 蘭海俠;北一：做一家受人尊敬的企業(yè)[N];機電商報;2008年

4 柏通;主打高端戰(zhàn)略 北一成功秘訣[N];中國企業(yè)報;2009年

5 本報記者 蘭海俠;北一:高端市場的不懈追求者[N];機電商報;2009年

6 燕子;海外抄底“走出去”“北一模式”成焦點[N];中國企業(yè)報;2009年

7 本報記者 蘭海俠;北一大隈機床:請您近觀[N];機電商報;2009年

8 北京第一機床廠廠長 王記生;新世紀 新北一[N];中國機電日報;2001年

9 王振生 尹亞昌;北一搬遷記[N];中國工業(yè)報;2003年

10 崔玉平 劉海芬;北一通變臉 京城環(huán)保發(fā)力[N];中國工業(yè)報;2004年

相關碩士學位論文 前4條

1 朱斌;北一區(qū)斷西東塊二類油層微相約束精細數(shù)值模擬研究[D];東北石油大學;2014年

2 韓玉華;基于儲量精細計算的大慶北一區(qū)斷東剩余油開采研究[D];浙江大學;2008年

3 宋e，

本文編號：2124762