三维地震资料在深水油气勘探井场地质灾害评价中的运用——以南海琼东南海区为例
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摘要
在深水油气田勘探开发过程中,井场地质灾害的调查评价是一项不可缺少的重要环节。深水井场调查较浅水相比,投入成本巨大。利用三维高分辨率地震资料进行深水油气田井场地质灾害研究过程中,积累了一定经验,认为油气勘探过程中的三维地震浅层数据经高分辨率处理后,在一定条件下可满足深水油气田区井场地质灾害的研究和评价。以琼东南勘查区为例,介绍了利用三维地震数据经"三高"特殊处理,进行深水油气田井场地质灾害解释的初步成果。
Due to the complexity of geological conditions,there are a lot of geohazards in deepwater areas,which may turn to catastrophes without extensive and prudent consideration.Therefore,in the process of deepwater petroleum exploration and development,site investigation and geohazards assessment are indispensible.Comparing to shallow water area,the cost for conducting site investigation in deepwater is tremendous.In recent years,we have been using 3D exploration seismic data to indentify geohazards at well sites.After high-resolution reprocess,in some cases it is possible to use exploration seismic data to detect and assess geohazards.This paper introduces a case from the Qingdongnan block.
Due to the complexity of geological conditions,there are a lot of geohazards in deepwater areas,which may turn to catastrophes without extensive and prudent consideration.Therefore,in the process of deepwater petroleum exploration and development,site investigation and geohazards assessment are indispensible.Comparing to shallow water area,the cost for conducting site investigation in deepwater is tremendous.In recent years,we have been using 3D exploration seismic data to indentify geohazards at well sites.After high-resolution reprocess,in some cases it is possible to use exploration seismic data to detect and assess geohazards.This paper introduces a case from the Qingdongnan block.
引文
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[8]李斌,杨文达,李培廉.利用三维地震资料评估深水井位工程地质灾害[J].海洋地质与第四纪地质,2009,29(1):121-127.[LI Bin,YANG Wenda,LI Peilian.Deepwater well site engi-neering geohazard evaluation using 3dseismic data[J].MarineGeology&Quaternary Geology[J].Marine Geology and Qua-ternary Geology,2009,29(1):121-127.]
[9]杨文达,张异彪,李斌.南海琼东南深水海区地质灾害类型与特征[J].海洋石油,2011,31(1):1-7.[YANG Wenda,ZHANG Yibiao,LI Bin.Types and characteristics of deepwa-ter geologic hazard in Qiongdongnan of the South China Sea[J].Offshore Oil,2011,31(1):1-7.]
[10]王秀娟,吴时国,董冬冬,等.琼东南盆地气烟囱构造特点及其与天然气水合物的关系[J].海洋地质与第四纪地质,2008,28(3):103-108.[WANG Xiujuan,WU Shiguo,DONG Dong-dong,et al.Characteristics of gas chimney and its relation-ship to gas hydrate in Qiongdongnan basin[J].Marine Geolo-gy and Quaternary Geology,2008,28(3):103-108.]
[11]董冬冬,吴时国,孙运宝,等.琼东南盆地深水区流体势分析及其对天然气水合物成藏的意义[J].海洋地质与第四纪地质,2008,28(5):93-100.[DONG Dongdong,WU Shiguo,SUNYunbao,WANG Xiujuan.Analysis of fluid potential in theQiongdongnan basin and its implication to gas hydrate forma-tion[J].Marine Geology and Quaternary Geology,2008,28(5):93-100.]
[12]王大伟,吴时国,董冬冬,等.琼东南盆地第四纪块体搬运体系的地震特征[J].海洋地质与第四纪地质,2009,29(5):65-71.[WANG Dawei,WU Shiguo,DONG Dongdong,YAOGenshun1,CAO Quanbin.Seismic characteristics of quater-nary mass transport deposits in Qiongdongnan basin[J].Ma-rine Geology and Quaternary Geology,2009,29(5):65-71.]
[2]何家雄,施小斌,夏斌,等.南海北部边缘盆地油气勘探现状与深水油气资源前景[J].地球科学进展,2007,22(3):260-270.[HE Jiaxiong,SHI Xiaobin,XIA Bin,et al.The satus of thepetroleum exploration in the northern South China Sea and theresource potential in the deep-water areas[J].Advances inEarth Science,2007,22(3):260-270.]
[3]李绪宣,李维新,张益明,等.琼东南盆地天然气成藏特征及地震识别技术[J].中国海上油气,2006,18(2):79-86.[IU Xuxu-an,LI Weixin,ZHANG Yiming,et al.Gas accumulation char-acteristics and seismic identification techniques in Qiongdong-nan basin[J].China Offshore Oil and Gas,2006,18(2):79-86.]
[4]周小鹰,魏魁生.QND盆地层序地层及生储盖组合分析[J].石油与天然气地质,2000(3):244-248.[ZHOU Xiaoying,WEIKuisheng.Sequence stratigraphy and source reservoir cap rockassemblage of QND basin[J].Oil&Gas Geology,2000(3):244-248.]
[5]魏魁生,崔旱云,叶淑芬,等.琼东南盆地高精度层序地层学研究[J].地球科学—中国地质大学学报,2001,26(1):59-66.[WEI Kuisheng,CUI Hanyun,YE Shufen,et al.High-preci-sion sequence stratigraphy in Qiongdongnan basin[J].EarthScience(Journal of China University of Geosciences),2001,26(1):59-66.]
[6]刘铁树,何仕斌,南海北部陆缘盆地深水区油气勘探前景[J].中国海上油气(地质),2001,15(3):164-170.[LIU Tieshu,HE Shibin.Deepwater hydrocarbon potential along the north-continental margin,the South China Sea[J].China OffshoreOil and Gas,2001,15(3):164-170.]
[7]杜振川,丁述理,魏魁生.琼东南盆地第三纪高分辨率层序地层划分特征[J].辽宁工程技术大学学报,2002,21(6)709-712.[DU Zhenchuan,DING Shuli,WEI Kuisheng.High-resolu-tion sequence division and its petroleugeological significance intertiary period of qiongdongnan[J].Journal of Liaoning Tech-nical University,2002,21(6):709-712.]
[8]李斌,杨文达,李培廉.利用三维地震资料评估深水井位工程地质灾害[J].海洋地质与第四纪地质,2009,29(1):121-127.[LI Bin,YANG Wenda,LI Peilian.Deepwater well site engi-neering geohazard evaluation using 3dseismic data[J].MarineGeology&Quaternary Geology[J].Marine Geology and Qua-ternary Geology,2009,29(1):121-127.]
[9]杨文达,张异彪,李斌.南海琼东南深水海区地质灾害类型与特征[J].海洋石油,2011,31(1):1-7.[YANG Wenda,ZHANG Yibiao,LI Bin.Types and characteristics of deepwa-ter geologic hazard in Qiongdongnan of the South China Sea[J].Offshore Oil,2011,31(1):1-7.]
[10]王秀娟,吴时国,董冬冬,等.琼东南盆地气烟囱构造特点及其与天然气水合物的关系[J].海洋地质与第四纪地质,2008,28(3):103-108.[WANG Xiujuan,WU Shiguo,DONG Dong-dong,et al.Characteristics of gas chimney and its relation-ship to gas hydrate in Qiongdongnan basin[J].Marine Geolo-gy and Quaternary Geology,2008,28(3):103-108.]
[11]董冬冬,吴时国,孙运宝,等.琼东南盆地深水区流体势分析及其对天然气水合物成藏的意义[J].海洋地质与第四纪地质,2008,28(5):93-100.[DONG Dongdong,WU Shiguo,SUNYunbao,WANG Xiujuan.Analysis of fluid potential in theQiongdongnan basin and its implication to gas hydrate forma-tion[J].Marine Geology and Quaternary Geology,2008,28(5):93-100.]
[12]王大伟,吴时国,董冬冬,等.琼东南盆地第四纪块体搬运体系的地震特征[J].海洋地质与第四纪地质,2009,29(5):65-71.[WANG Dawei,WU Shiguo,DONG Dongdong,YAOGenshun1,CAO Quanbin.Seismic characteristics of quater-nary mass transport deposits in Qiongdongnan basin[J].Ma-rine Geology and Quaternary Geology,2009,29(5):65-71.]
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