3D VSP技术在辽河东部凹陷二次开发中的应用
|
摘要
在油田进入储层描述和开发、二次开发阶段,地面地震已不能满足储层精细描述、储层参数求取及高分辨率地震勘探的要求。为此,结合3D VSP的技术特点,确定了综合解释工作流程。首先利用准确的零井源距VSP时—深关系标定各种资料(测井、钻井、三维地面地震、3D VSP等)、确定储层参数,利用零井源距VSP资料筛选对储层敏感的属性。其次,利用3D VSP资料进行储层精细解释,识别研究区低幅度构造及小断层;通过波阻抗反演和属性分析等技术预测砂体展布及剩余油气分布。最后,结合前期分析结果综合评价储层,指出有利油气分布区,为开发评价部署提供依据。结果表明,研究区在经过一次开发后剩余油整体呈零散分布的状态,在构造高部位含油气性较差,剩余油主要分布在北东部斜坡的高部位。
In the secondary development stage of Eastern Liaohe Depression,surface seismic cannot meet reservoir exact characterization and reservoir parameter calculations.To overcome the problem,we use 3 DVSP data combined with other data to carry out a comprehensive interpretation.Firstly,the accurate time-depth relationship of zero-offset VSP is used to calibrate various data(logging,drilling,3 D seismic,and 3 D VSP data)to determine reservoir parameters.And reservoir-sensitive attributes are selected on zero-offset VSP data.Then,low-relief structures and faults in the study area are identified on 3 D VSP data,and the sand and remaining oil distributions are predicted with wave impedance inversion and attribute analysis.Finally,the favorable oil and gas distribution areas are predicted,which provides a basis for the development evaluation and deployment.Based on our study,the remaining oil mainly distributes in the high part of the north-eastern slope.
In the secondary development stage of Eastern Liaohe Depression,surface seismic cannot meet reservoir exact characterization and reservoir parameter calculations.To overcome the problem,we use 3 DVSP data combined with other data to carry out a comprehensive interpretation.Firstly,the accurate time-depth relationship of zero-offset VSP is used to calibrate various data(logging,drilling,3 D seismic,and 3 D VSP data)to determine reservoir parameters.And reservoir-sensitive attributes are selected on zero-offset VSP data.Then,low-relief structures and faults in the study area are identified on 3 D VSP data,and the sand and remaining oil distributions are predicted with wave impedance inversion and attribute analysis.Finally,the favorable oil and gas distribution areas are predicted,which provides a basis for the development evaluation and deployment.Based on our study,the remaining oil mainly distributes in the high part of the north-eastern slope.
引文
[1] 朱光明.垂直地面地震剖面法[M].北京:石油工业出版社,1988.
[2] 赵邦六,董世泰,曾忠.井中地震技术的昨天、今天和明天——井中地震技术发展及应用展望[J].石油地球物理勘探,2017,52(5):1112-1123.ZHAO Bangliu,DONG Shitai,ZENG Zhong.Borehole seismic development,status quo and future:Application prospect of borehole seismic[J].Oil Geophysical Prospecting,2017,52(5):1112-1123.
[3] 李彦鹏,陈沅忠,徐刚,等.大阵列3D-VSP技术在大庆油田的应用[J].石油地球物理勘探,2011,46(2):311-316.LI Yanpeng,CHEN Yuanzhong,XU Gang,et al.Large-array 3D-VSP technique applied to Daqing Oil Field[J].Oil Geophysical Prospecting,2011,46(2):311-316.
[4] Yu G,Cai Z,Chen Y,et al.Walkaway VSP using multimode optical fibers in a hybrid wireline[J].The Leading Edge,2016,35(7):615-619.
[5] Cai Z,Wang C,Li J,et al.Application of DAS-VSP for complex geologic structures[C].SEG Workshop,2017.
[6] 臧胜涛,王建华,杨哲,等.Walkaway VSP处理技术及应用[J].石油地球物理勘探,2017,52(增刊2):1-6.ZANG Shengtao,WANG Jianhua,YANG Zhe,et al.Walkaway VSP data processing[J].Oil Geophysical Prospecting,2017,52(S2):1-6.
[7] 王冲,张庆红,蔡志东,等.基于零井源距VSP资料的井地联合溶洞定位方法研究及应用[J].地球物理学进展,2017,32(6):2663-2669.WANG Chong,ZHANG Qinghong,CAI Zhidong,et al.Carbonate cave location method and application effect by the combination of Z-VSP and surface seismic[J].Progress in Geophysics,2017,32(6):2663-2669.
[8] Wang Y H,Zhang Q H,Cai Z D,et al.Remaining gas prediction with Walkaround-VSP data:A case study from Junggar basin,China.3rd EAGE Workshop on Borehole Geophysics[C],2014.
[9] 王冲,蔡志东,韩建信,等.利用Walkaway-VSP技术精细刻画火山岩形态[J].石油地球物理勘探,2018,53(1):147-152.WANG Chong,CAI Zhidong,HAN Jianxin,et al.Volcanic rock morphology characterization on Walkaway VSP data[J].Oil Geophysical Prospecting,2018,53(1):147-152.
[10] Boelle J L,Kaiser P,Maocec E.Difficulties and clues in 3D VSP processing[C].SEG Technical ProgramExpanded Abstracts,1998,17,SEG-1998-0373.
[11] 王维红,刘诗竹,裴江云,等.大庆油田M1井3D VSP成像方法与应用[J].地球物理学进展,2015,30(1):171-177.WANG Weihong,LIU Shizhu,PEI Jiangyun,et al.Imaging approach and application of 3D VSP seismic data in well M1 in Daqing oilfield[J].Progress in Geo-physics,2015,30(1):171-177.
[12] 陈林.三维VSP技术的应用与展望[J].勘探地球物理进展,2007,30(3):162-167.CHEN Lin.Application of 3-D VSP technology and its outlook[J].Progress in Exploration Geophysics,2007,30(3):162-167.
[13] 冯有奎,王宇超.三维VSP方法实践及应用前景评价[J].西北油气勘探,2005,17(2):58-65.
[14] 刘洋.三维VSP资料处理和解释技术研究[C].我国近海油气勘探开发高技术发展研讨会,2005.
[15] 李阳.油藏综合地球物理技术在垦71井区的应用[J].石油物探,2008,47(2):107-115.LI Yang.Application of integrated geophysics technique in reservoirs[J].Geophysical Prospecting for Petroleum,2008, 47(2):107-115.
[16] 丁日新.大阵列3D VSP和全方位地面三维地震联合采集、处理及解释在火山岩气藏中的应用——以XS21-1井区为例[J].地球物理学进展,2011,26(6):2143-2152.DING Rixin.Large array 3D VSP and full three-dimensional surface seismic joint acquisition,processing and interpretation of the volcanic gas reservoir:A case study of XS21-1 well[J].Progress in Geophysics,2011,26(6):2143-2152.
[17] 盛述超,毕建军,李维振,等.关于地震波形指示模拟反演(SMI)方法的研究[J].内蒙古石油化工,2015(21):147-151.
[2] 赵邦六,董世泰,曾忠.井中地震技术的昨天、今天和明天——井中地震技术发展及应用展望[J].石油地球物理勘探,2017,52(5):1112-1123.ZHAO Bangliu,DONG Shitai,ZENG Zhong.Borehole seismic development,status quo and future:Application prospect of borehole seismic[J].Oil Geophysical Prospecting,2017,52(5):1112-1123.
[3] 李彦鹏,陈沅忠,徐刚,等.大阵列3D-VSP技术在大庆油田的应用[J].石油地球物理勘探,2011,46(2):311-316.LI Yanpeng,CHEN Yuanzhong,XU Gang,et al.Large-array 3D-VSP technique applied to Daqing Oil Field[J].Oil Geophysical Prospecting,2011,46(2):311-316.
[4] Yu G,Cai Z,Chen Y,et al.Walkaway VSP using multimode optical fibers in a hybrid wireline[J].The Leading Edge,2016,35(7):615-619.
[5] Cai Z,Wang C,Li J,et al.Application of DAS-VSP for complex geologic structures[C].SEG Workshop,2017.
[6] 臧胜涛,王建华,杨哲,等.Walkaway VSP处理技术及应用[J].石油地球物理勘探,2017,52(增刊2):1-6.ZANG Shengtao,WANG Jianhua,YANG Zhe,et al.Walkaway VSP data processing[J].Oil Geophysical Prospecting,2017,52(S2):1-6.
[7] 王冲,张庆红,蔡志东,等.基于零井源距VSP资料的井地联合溶洞定位方法研究及应用[J].地球物理学进展,2017,32(6):2663-2669.WANG Chong,ZHANG Qinghong,CAI Zhidong,et al.Carbonate cave location method and application effect by the combination of Z-VSP and surface seismic[J].Progress in Geophysics,2017,32(6):2663-2669.
[8] Wang Y H,Zhang Q H,Cai Z D,et al.Remaining gas prediction with Walkaround-VSP data:A case study from Junggar basin,China.3rd EAGE Workshop on Borehole Geophysics[C],2014.
[9] 王冲,蔡志东,韩建信,等.利用Walkaway-VSP技术精细刻画火山岩形态[J].石油地球物理勘探,2018,53(1):147-152.WANG Chong,CAI Zhidong,HAN Jianxin,et al.Volcanic rock morphology characterization on Walkaway VSP data[J].Oil Geophysical Prospecting,2018,53(1):147-152.
[10] Boelle J L,Kaiser P,Maocec E.Difficulties and clues in 3D VSP processing[C].SEG Technical ProgramExpanded Abstracts,1998,17,SEG-1998-0373.
[11] 王维红,刘诗竹,裴江云,等.大庆油田M1井3D VSP成像方法与应用[J].地球物理学进展,2015,30(1):171-177.WANG Weihong,LIU Shizhu,PEI Jiangyun,et al.Imaging approach and application of 3D VSP seismic data in well M1 in Daqing oilfield[J].Progress in Geo-physics,2015,30(1):171-177.
[12] 陈林.三维VSP技术的应用与展望[J].勘探地球物理进展,2007,30(3):162-167.CHEN Lin.Application of 3-D VSP technology and its outlook[J].Progress in Exploration Geophysics,2007,30(3):162-167.
[13] 冯有奎,王宇超.三维VSP方法实践及应用前景评价[J].西北油气勘探,2005,17(2):58-65.
[14] 刘洋.三维VSP资料处理和解释技术研究[C].我国近海油气勘探开发高技术发展研讨会,2005.
[15] 李阳.油藏综合地球物理技术在垦71井区的应用[J].石油物探,2008,47(2):107-115.LI Yang.Application of integrated geophysics technique in reservoirs[J].Geophysical Prospecting for Petroleum,2008, 47(2):107-115.
[16] 丁日新.大阵列3D VSP和全方位地面三维地震联合采集、处理及解释在火山岩气藏中的应用——以XS21-1井区为例[J].地球物理学进展,2011,26(6):2143-2152.DING Rixin.Large array 3D VSP and full three-dimensional surface seismic joint acquisition,processing and interpretation of the volcanic gas reservoir:A case study of XS21-1 well[J].Progress in Geophysics,2011,26(6):2143-2152.
[17] 盛述超,毕建军,李维振,等.关于地震波形指示模拟反演(SMI)方法的研究[J].内蒙古石油化工,2015(21):147-151.