准噶尔盆地西北缘夏南斜坡区三叠系含油气性复电阻率法检测
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摘要
利用复电阻率法对准噶尔盆地西北缘乌夏断裂带夏南斜坡区开展油气检测工作,以降低钻探风险。在对成果剖面综合分析后,将研究区内8口已钻井的试油情况进行标定。结果表明,视充电率(> 9%)和电磁电阻率(<9Ω·m)是本次复电阻率法油气异常识别的阀值。根据阀值在剖面上识别了12个异常区域,结合已有勘探成果,综合分析各异常区的含油气性,认为夏南斜坡区整体异常较弱,夏039井处异常显示较好,钻探风险较低。复电阻率法在圈闭内含油气检测方面有其独特的技术优势及成本优势,可作为油气勘探的有效辅助检测手段。
In order to reduce exploration drilling risk,hydrocarbon detection was carried out through the complex resistivity( CR) method in the Xianan slope of Wu-Xia fault belt in the northwestern margin of Junggar Basin. After comprehensive analysis of the result profile,oils tests of eight wells in the study area were calibrated.The results show that the apparent resistivity of 9% and electromagnetic resistivity of 9 Ω·m are the thresholds for complex resistivity anomaly of oil and gas identification. 12 anomalies areas were identified in the profile based on the thresholds. Comprehensive analysis on these CR anomalies and the previous exploration results indicate that the Xianan slope in general showed weak anomaly,except the Well Xia039 that showed favorable anomaly. The complex resistivity method has its technical and cost advantages in the detection of trapped oil and gas and can be used as an effective auxiliary detection method for oil and gas exploration.
In order to reduce exploration drilling risk,hydrocarbon detection was carried out through the complex resistivity( CR) method in the Xianan slope of Wu-Xia fault belt in the northwestern margin of Junggar Basin. After comprehensive analysis of the result profile,oils tests of eight wells in the study area were calibrated.The results show that the apparent resistivity of 9% and electromagnetic resistivity of 9 Ω·m are the thresholds for complex resistivity anomaly of oil and gas identification. 12 anomalies areas were identified in the profile based on the thresholds. Comprehensive analysis on these CR anomalies and the previous exploration results indicate that the Xianan slope in general showed weak anomaly,except the Well Xia039 that showed favorable anomaly. The complex resistivity method has its technical and cost advantages in the detection of trapped oil and gas and can be used as an effective auxiliary detection method for oil and gas exploration.
引文
[1]何苗.准噶尔盆地西北缘三叠系沉积演化及地质背景研究:博士学位论文[D].北京:中国地质科学院,2015.HE Miao.Sedimentary evolution and geological background of the Triassic,NW Junggar:doctor's degree thesis[D].Beijing:Chinese Academy of Geological Sciences,2015.
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[7]许传建,徐自生,杨志成,等.复电阻率(CR)法探测油气藏的应用效果[J].石油地球物理勘探,2004,39(增刊):31-35.XU Chuan-jian,XU Zi-sheng,YANG Zhi-cheng,et al.Application effect of complex resistivity(CR)method for oil and gas reservoir detection[J].Oil Geophysical Prospecting,2004,39(Suppl.):31-35.
[8]隋风贵.准噶尔盆地西北缘构造演化及其与油气成藏的关系[J].地质学报,2015,89(4):779-793.SUI Feng-gui.Tectonic evolution and its relationship with hydrocarbon accumulation in the northwest margin of Junggar Basin[J].Acta Geological Sinica,2015,89(4):779-793.
[9]何登发,尹成,杜社宽,等.前陆冲断带构造分段特征:以准噶尔盆地西北缘断裂构造带为例[J].地学前缘,2004,11(3):91-101.HE Deng-fa,YIN Cheng,DU She-kuan,et al.Characteristics of structural segmentation of foreland thrust belts:a case study of the fault belts in the northwestern margin of Junggar Basin[J].Earth Science Frontiers,2004,11(3):91-101.
[10]牛海青,陈世悦,鄢继华,等.准噶尔盆地乌夏断裂带三叠系沉积相研究[J].新疆石油地质,2007,28(4):425-427.NIU Hai-qing,CHEN Shi-yue,YAN Ji-hua,et al.Sedimentary facies of Triassic in Wu-Xia fault belt,Junggar Basin[J].Xinjiang Petroleum Geology,2007,28(4):425-427.
[11]杨振威,许江涛,赵秋芳,等.复电阻率法(CR)发展现状与评述[J].地球物理学进展,2015,30(2):899-904.YANG Zhen-wei,XU Jiang-tao,ZHAO Qiu-fang,et al.Current tituation and review of complex resistivity[J].Progress in Geophysics,2015,30(2):899-904.
[12]崔先文,吴之训,郑建南.大功率复电阻率法直接探测深部油气藏的应用效果[C]//中国地球物理学会第11届年会,荆沙,1995.CUI Xian-wen,WU Zhi-xun,ZHENG Jian-nan.Application effect of high power complex resistivity method to directly detect deep reservoir[C]//11th Annual Meeting of the Chinese Geophysical Society,Jingsha,1995.
[13]徐自生,张丽,唐伟,等.复电阻率法(CR)在内蒙古那吉河铅锌矿探测中的应用[J].矿产勘查,2015,6(2):165-170.XU Zi-sheng,ZHANG Li,TANG Wei,et al.Application of complex resistivity method(CR)in prospecting lead-zinc deposit in Inner Mongolia[J].Mineral Exploration,2015,6(2):165-170.
[14]夏云.复电阻率法油气检测机理与激电谱提取方法:硕士学位论文[D].武汉:长江大学,2012.XIA Yun.CR Method for oil and gas detection mechanism and extraction method of spectral parameter in spectrum induced polarization:master's degree thesis[D].Wuhan:Yangtze University,2012.
[15]张丽,吴凯,王秋璇,等.复电阻率(CR)法在江苏某地金属矿上的应用[J].中国石油和化工标准与质量,2017,37(16):90-91.ZHANG Li,WU Kai,WANG Qiu-xuan,et al.Application of complex resistivity(CR)method in a metal mine in Jiangsu Province[J].China Petroleum and Chemical Standard and Quality,2017,37(16):90-91.
[2]郭建钢,方琳浩,何周,等.准噶尔盆地乌夏地区三叠系油气成藏控制因素分析[J].天然气地球科学,2008,19(5):647-651.GUO Jian-gang,FANG Lin-hao,HE Zhou,et al.Controlling factors of Triassic oil and gas accumulation in Wuerhe-Xiazijie area,NW Junggar Basin[J].Natural Gas Geoscience,2008,19(5):647-651.
[3]王伦.准噶尔盆地乌夏地区多层系油气成藏主控因素研究:硕士学位论文[D].西安:西安石油大学,2017.WANG Lun.Wu Xia area of Junggar basin multi series of main controlling factors for hydrocarbon accumulation study:master's degree thesis[D].Xi'an:Xi'an Shiyou University,2017.
[4]邱贻博.准噶尔盆地西北缘乌-夏地区断裂控油气规律研究:博士学位论文[D].青岛:中国石油大学(华东),2007.QIU Yi-bo.Study on fault-controlling oil and gas law in Wuxia region on the northwestern margin of Junggar Basin:doctor's degree thesis[D].Qingdao:China University of Petroleum(East China),2007.
[5]陈建平,查明,柳广弟,等.准噶尔盆地西北缘斜坡区不整合面在油气成藏中的作用[J].石油大学学报,2000,24(4):75-79.CHEN Jian-ping,ZHA Ming,LIU Guang-di,et al.Importance of unconformity in oil and gas accumulation in the north-western slope of Junggar Basin[J].Journal of the University of Petroleum,2000,24(4):75-78.
[6]倪振,丁超,王贵文,等.准噶尔盆地乌夏断裂带复式油气成藏特征[J].石油地质与工程,2016,30(2):45-48.NI Zhen,DING Chao,WANG Gui-wen,et al.Hydrocarbon accumulation characteristics of compliicated reservoirs in Wuxia fault belt of Junggar Basin[J].Petroleum Geology and Engineering,2016,30(2):45-48.
[7]许传建,徐自生,杨志成,等.复电阻率(CR)法探测油气藏的应用效果[J].石油地球物理勘探,2004,39(增刊):31-35.XU Chuan-jian,XU Zi-sheng,YANG Zhi-cheng,et al.Application effect of complex resistivity(CR)method for oil and gas reservoir detection[J].Oil Geophysical Prospecting,2004,39(Suppl.):31-35.
[8]隋风贵.准噶尔盆地西北缘构造演化及其与油气成藏的关系[J].地质学报,2015,89(4):779-793.SUI Feng-gui.Tectonic evolution and its relationship with hydrocarbon accumulation in the northwest margin of Junggar Basin[J].Acta Geological Sinica,2015,89(4):779-793.
[9]何登发,尹成,杜社宽,等.前陆冲断带构造分段特征:以准噶尔盆地西北缘断裂构造带为例[J].地学前缘,2004,11(3):91-101.HE Deng-fa,YIN Cheng,DU She-kuan,et al.Characteristics of structural segmentation of foreland thrust belts:a case study of the fault belts in the northwestern margin of Junggar Basin[J].Earth Science Frontiers,2004,11(3):91-101.
[10]牛海青,陈世悦,鄢继华,等.准噶尔盆地乌夏断裂带三叠系沉积相研究[J].新疆石油地质,2007,28(4):425-427.NIU Hai-qing,CHEN Shi-yue,YAN Ji-hua,et al.Sedimentary facies of Triassic in Wu-Xia fault belt,Junggar Basin[J].Xinjiang Petroleum Geology,2007,28(4):425-427.
[11]杨振威,许江涛,赵秋芳,等.复电阻率法(CR)发展现状与评述[J].地球物理学进展,2015,30(2):899-904.YANG Zhen-wei,XU Jiang-tao,ZHAO Qiu-fang,et al.Current tituation and review of complex resistivity[J].Progress in Geophysics,2015,30(2):899-904.
[12]崔先文,吴之训,郑建南.大功率复电阻率法直接探测深部油气藏的应用效果[C]//中国地球物理学会第11届年会,荆沙,1995.CUI Xian-wen,WU Zhi-xun,ZHENG Jian-nan.Application effect of high power complex resistivity method to directly detect deep reservoir[C]//11th Annual Meeting of the Chinese Geophysical Society,Jingsha,1995.
[13]徐自生,张丽,唐伟,等.复电阻率法(CR)在内蒙古那吉河铅锌矿探测中的应用[J].矿产勘查,2015,6(2):165-170.XU Zi-sheng,ZHANG Li,TANG Wei,et al.Application of complex resistivity method(CR)in prospecting lead-zinc deposit in Inner Mongolia[J].Mineral Exploration,2015,6(2):165-170.
[14]夏云.复电阻率法油气检测机理与激电谱提取方法:硕士学位论文[D].武汉:长江大学,2012.XIA Yun.CR Method for oil and gas detection mechanism and extraction method of spectral parameter in spectrum induced polarization:master's degree thesis[D].Wuhan:Yangtze University,2012.
[15]张丽,吴凯,王秋璇,等.复电阻率(CR)法在江苏某地金属矿上的应用[J].中国石油和化工标准与质量,2017,37(16):90-91.ZHANG Li,WU Kai,WANG Qiu-xuan,et al.Application of complex resistivity(CR)method in a metal mine in Jiangsu Province[J].China Petroleum and Chemical Standard and Quality,2017,37(16):90-91.