准噶尔盆地车排子地区滚动勘探开发技术
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摘要
准噶尔盆地车排子地区沙湾组薄砂体油藏埋藏浅、物性好、产量高,是中国石化胜利油田公司近年来重要的产能建设阵地,但由于油层较单一、砂体厚度薄、横向变化快、分布零散、隐蔽性强,一直没有取得重大突破,探井成功率不超过30%,滚动勘探开发风险较大。根据车排子地区沙湾组油藏发现井——排2井及其周围探井所获地质认识,依据高精度三维地震资料,从区域沉积相分析入手,查明沙湾组薄砂体成藏模式,利用正演模拟、滚动储集层描述、地震属性分析和油气检测等技术手段,形成了一套薄砂体滚动勘探开发技术,并利用其指导车排子地区滚动井位部署,取得了非常好的滚动勘探开发效果。
The Shawan Formation thin sandstone reservoir in the Chepaizi area of Junggar Basin is shallow,has good physical properties and high production,and it is the important production front of Sinopec Shengli Oilfield Company in recent years.Because the oil layer is single and the sandstone thickness is thin with rapid lateral variation and subtle distribution,there is no great breakthrough,the success ratio of exploration wells is less than 30%,and the rolling E&P risk is great.According to the geologic understanding of Well Pai 2 and high precision 3D seismic data,the reservoir-forming model of thin sandbody in Shawan Formation was figured out by analyzing the regional sedimentary facies distribution.Then,applying the techniques of forward modeling,rolling reservoir description,seismic attribute analysis and hydrocarbon detection,we summarized a set of progressing E&P techniques of thin sandbody to guide the deployment of progressing wells.Good progressing E&P results are obtained.
The Shawan Formation thin sandstone reservoir in the Chepaizi area of Junggar Basin is shallow,has good physical properties and high production,and it is the important production front of Sinopec Shengli Oilfield Company in recent years.Because the oil layer is single and the sandstone thickness is thin with rapid lateral variation and subtle distribution,there is no great breakthrough,the success ratio of exploration wells is less than 30%,and the rolling E&P risk is great.According to the geologic understanding of Well Pai 2 and high precision 3D seismic data,the reservoir-forming model of thin sandbody in Shawan Formation was figured out by analyzing the regional sedimentary facies distribution.Then,applying the techniques of forward modeling,rolling reservoir description,seismic attribute analysis and hydrocarbon detection,we summarized a set of progressing E&P techniques of thin sandbody to guide the deployment of progressing wells.Good progressing E&P results are obtained.
引文
[1]管树巍,李本亮,侯连华,等.准噶尔盆地西北缘下盘掩伏构造油气勘探新领域[J].石油勘探与开发,2008,35(1):17-22.Guan Shuwei,Li Benliang,Hou Lianhua,et al.Newhydrocarbon exploration areas in footwall covered structures innorthwestern margin of Junggar Basin[J].Petroleum Explorationand Development,2008,35(1):17-22.
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[10]祝彦贺,王英民,袁书坤,等.准噶尔盆地西北缘沉积特征及油气成藏规律———以五、八区佳木河组为例[J].石油勘探与开发,2008,35(5):576-580.Zhu Yanhe,Wang Yingmin,Yuan Shukun,et al.Sedimentarycharacteristics and hydrocarbon accumulation rules innorthwestern Junggar Basin:A case from Jiamuhe Formation ofNo.5 and 8 area[J].Petroleum Exploration and Development,2008,35(5):576-580.
[11]孙万军.多种地震属性参数在储层横向预测中的应用[J].石油地球物理勘探,2004,39(5):586-588.Sun Wanjun.Application of multiple seismic attributesparameters to lateral reservoir prediction[J].Oil GeophysicalProspecting,2004,39(5):586-588.
[12]张益明,张文,范廷恩.多种地震属性分析技术在LD20-1构造区储层预测和含气性检测中的应用[J].中国海上油气,2005,17(3):167-170.Zhang Yiming,Zhang Wen,Fan Tingen.An application ofseismic attribute analysis techniques to reservoir prediction andgas detection in LD20-1 structure area[J].China Offshore Oil andGas,2005,17(3):167-170.
[13]王景良,陶亚兰,潘坚,等.新肇油田滚动开发实践[J].石油地球物理勘探,2003,38(增刊):128-137.Wang Jingliang,Tao Yalan,Pan Jian,et al.The rollingdevelopment practice of Xinzhao Oilfield[J].Oil GeophysicalProspecting,2003,38(Supp.):128-137.
[2]杨勇,查明.准噶尔盆地乌尔禾—夏子街地区不整合发育特征及其在油气成藏中的作用[J].石油勘探与开发,2007,34(3):304-309.Yang Yong,Zha Ming.Development of unconformity and itseffect on the migration and accumulation of hydrocarbon in Wu’erhe-Xiazijie area,Junggar Basin[J].Petroleum Exploration andDevelopment,2007,34(3):304-309.
[3]孔祥星.准噶尔盆地南缘西部山前断褶带油源分析[J].石油勘探与开发,2007,34(4):413-418.Kong Xiangxing.Oil source of foothill fault-fold structural belt inwestern part of the southern margin,Junggar Basin[J].Petroleum Exploration and Development,2007,34(4):413-418.
[4]向奎,鲍志东,庄文山.准噶尔盆地滩坝砂石油地质特征及勘探意义———以排2井沙湾组为例[J].石油勘探与开发,2008,35(2):195-200.Xiang Kui,Bao Zhidong,Zhuang Wenshan.Petroleum geologyand exploration of beach sandbar in Junggar Basin,NW China:Acase from the Shawan Formation in Well Pai 2[J].PetroleumExploration and Development,2008,35(2):195-200.
[5]王萍.地震储层描述技术的应用效果[J].物探与化探,2003,27(2):88-97.Wang Ping.Application of seismic reservoir description[J].Geophysical and Geochemical Exploration,2003,27(2):88-97.
[6]肖阳,朱敏,朱文奎,等.测井约束反演技术在油藏描述中的应用[J].石油地球物理勘探,2001,36(5):633-639.Xiao Yang,Zhu Min,Zhu Wenkui,et al.Application of logging-constrained inversion in reservoir description[J].Oil GeophysicalProspecting,2001,36(5):633-639.
[7]赵铭海.常用叠后波阻抗反演技术评价[J].油气地质与采收率,2004,11(1):36-38.Zhao Minghai.Evaluation and analysis on the post-stack waveimpedance inversion technique in common use[J].Oil&GasRecovery Technology,2004,11(1):36-38.
[8]徐旺林,王天琦,魏立花,等.沿层属性分析在储层研究中的应用[J].石油地球物理勘探,2002,37(增刊):83-87.Xu Wangling,Wang Tianqi,Wei Lihua,et al.Application ofhorizontal seismic attribute in reservoir study[J].Oil GeophysicalProspecting,2002,37(Supp.):83-87.
[9]许慧华,王志高.地震属性分析及其在胜利探区的应用[J].石油仪器,2002,16(5):21-24.Xu Huihua,Wang Zhigao.Application of seismic attributeanalysis in Shengli exploration area[J].Petroleum Instruments,2002,16(5):21-24.
[10]祝彦贺,王英民,袁书坤,等.准噶尔盆地西北缘沉积特征及油气成藏规律———以五、八区佳木河组为例[J].石油勘探与开发,2008,35(5):576-580.Zhu Yanhe,Wang Yingmin,Yuan Shukun,et al.Sedimentarycharacteristics and hydrocarbon accumulation rules innorthwestern Junggar Basin:A case from Jiamuhe Formation ofNo.5 and 8 area[J].Petroleum Exploration and Development,2008,35(5):576-580.
[11]孙万军.多种地震属性参数在储层横向预测中的应用[J].石油地球物理勘探,2004,39(5):586-588.Sun Wanjun.Application of multiple seismic attributesparameters to lateral reservoir prediction[J].Oil GeophysicalProspecting,2004,39(5):586-588.
[12]张益明,张文,范廷恩.多种地震属性分析技术在LD20-1构造区储层预测和含气性检测中的应用[J].中国海上油气,2005,17(3):167-170.Zhang Yiming,Zhang Wen,Fan Tingen.An application ofseismic attribute analysis techniques to reservoir prediction andgas detection in LD20-1 structure area[J].China Offshore Oil andGas,2005,17(3):167-170.
[13]王景良,陶亚兰,潘坚,等.新肇油田滚动开发实践[J].石油地球物理勘探,2003,38(增刊):128-137.Wang Jingliang,Tao Yalan,Pan Jian,et al.The rollingdevelopment practice of Xinzhao Oilfield[J].Oil GeophysicalProspecting,2003,38(Supp.):128-137.
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