三维叠前时间偏移剖面揭示的百58井地区断裂带构造特征
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摘要
准噶尔盆地西北缘百58井区是一个被多条断裂切割的复杂断块区,地层倾角变化大,断裂分布多.百58井地区已有三维地震资料成果剖面显示,地震波组连续性差,断裂带附近资料成像模糊,断面很难进行准确的空间识别与追踪,地层的接触关系不清楚,无法进行精细构造解释,制约了该区的深化勘探.为此,在详细分析原始资料特点和存在的问题的基础上,对该区已有三维地震资料开展了叠前时间偏移处理技术研究.获得了归位精度高、复杂构造成像清晰、断点清楚的剖面,真实地揭露了该区百-乌断裂带断裂发育特征、空间展布及平面组合关系,发现和确定了二叠系、三叠系和侏罗系的各类圈闭,为后续的精细构造解释、储层预测等提供了可靠的依据.
Baiquan area on the northwestern margin of Junggar basin is a complex fault-block area cut by multiple faults with Variable dip of layers and the distribution of multiple faults.The old sections of 3D seismic data in Bai58 well region show the poor continuity of seismic events,poor imaging data near the fault zone,and the unclear contact relationship between strata.So it is difficult to explain fine structure and the deepening exploration has been constrained.According to these issues,we use several processing softwares such as Omega,CGG and Geodepth to do fine"three-high-accurate"processing and pre-stack time migration on base of the analysis of the raw seismic data and problem,and obtain the realistic section.The migration profile revealed the development characteristics,spatial distribution patterns and the relationship of surface composition of Bai-Wu fault,and various types of traps of Permian,Triassic,Jurassic-Cretaceous structural layer are found.This provides some reliable evidence for subsequent fine structure interpretation and reservoir prediction.
Baiquan area on the northwestern margin of Junggar basin is a complex fault-block area cut by multiple faults with Variable dip of layers and the distribution of multiple faults.The old sections of 3D seismic data in Bai58 well region show the poor continuity of seismic events,poor imaging data near the fault zone,and the unclear contact relationship between strata.So it is difficult to explain fine structure and the deepening exploration has been constrained.According to these issues,we use several processing softwares such as Omega,CGG and Geodepth to do fine"three-high-accurate"processing and pre-stack time migration on base of the analysis of the raw seismic data and problem,and obtain the realistic section.The migration profile revealed the development characteristics,spatial distribution patterns and the relationship of surface composition of Bai-Wu fault,and various types of traps of Permian,Triassic,Jurassic-Cretaceous structural layer are found.This provides some reliable evidence for subsequent fine structure interpretation and reservoir prediction.
引文
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[13]邹振,刘洪,刘红伟.Kirchhoff叠前时间偏移角度道集[J].地球物理学报,2010,53(5):1207-1214. Zou Z,Liu H,Liu H W.Common-angle gathers based on Kirchhoff pre-stack time migration[J].Chinese J.Geophys. (in Chinese),2010,53(5):1207-1214.
[14]程玖兵,王楠,马在田.表驱三维角度域Kirchhoff叠前时间偏移成像方法[J].地球物理学报,2009,52(3),792-800. Cheng J B,Wang N,Ma Z T.Table-driven 3-D angledomain imaging approach for Kirchhoff prestack time migration[J].Chinese J.Geophys.(in Chinese),2009,52 (3),792-800.
[15]刘立彬,李振春.叠前时间偏移技术在东营凹陷北部陡坡带砂砾岩体成像中的应用[J].地球物理学进展,2007,22(5): 1571-1577. Liu L B,Li Z C.The application of prestack time migration techniques in sandy conglomeratic imaging of abrupt slope in north of Dongying Sag[J].Progress in Geophysics(in Chinese),2007,22(5):1571-1577.
[16]樊卫花,杨长春,孙传文,等.三维地震资料叠前时间偏移应用研究[J].地球物理学进展,2007,22(3):836-842. Fan W H,Yang C C,Sun C W,et al.Application of prestack time migration for three dimensional seismic data [J].Progress in Geophysics(in Chinese),2007,22(3):836- 842.
[17]王锡文,秦广胜,刘向东,等.叠前偏移技术在中原复杂断块区的应用[J].地球物理学进展,2005,20(4):1092- 1098. Wang X W,Qin K S,Liu X D,et al.The application of prestack migration technique in complex Fault-blocks of Zhongyuan oilfield[J].Progress in Geophysics(in Chinese),2005,20 (4):1092-1098.
[18]周晨光,单刚义,张丽华.叠前时间偏移在华北地区的应用[J].吉林大学学报(地球科学版),2006,36(Supplement2): 55-57. Zhou C G,Shan G Y,Zhang L H.Application of prestack time migration in north China area[J].Journal of Jilin University(Earth Science Edition)(in Chinese),2006,36 (Supplement2):55-57.
[19]李信富,李小凡.分形插值地震数据重建方法研究[J].地球物理学报,2008,51(4):1196-1201. Li X F,Li X F.Seismic data reconstruction with fractal interpolation[J].Chinese J.Geophys.(in Chinese),2008, 51(4):1196-1201.
[20]崔宝文,王维红.叠前时间偏移技术在深层断陷区地震成像中的应用[J].地球物理学进展,2010,25(5):1 703-1708. Cui B W,Wang W H.Application of prestack time migration to seismic imaging of deep fault depression areas[J]. Progress in Geophysics(in Chinese),2010,25(5):1703—
[21]王汝珍,袁联生,李鹏,等.三维叠前时间偏移技术在塔河地区的应用[J].勘探地球物理进展,2006,29(5):360- 365. Wang R Z,Yuan L S,Li P,et al.Application of 3-D prestack time migration in Tahe oilfield[J].PEG(in Chinese),2006,29(5):360-365.
[22]张颖.三维地震叠前时间偏移处理技术应用与展望[J].石油勘探与开发,2006,33(5):536-541. Zhang Y.Application and prospect of 3D seismic pre-stack time migration processing technique[J].Petroleum Exploration and Development(in Chinese),2006,33(5):536—541.
[23]董春晖,张剑锋.结合基准面重建的叠前时间偏移方法[J].地球物理学报,2010,53(10):2435-2441. Dong C H,Zhang J F.Prestack time migration incorporated with redatuming[J].Chinese J.Geophys.(in Chinese), 2010,53(10):2435-2441.
[24]董春晖,张剑锋.起伏地表下的直接叠前时间偏移.地球物理学报,2009,52(1):239-244. Dong C H,Zhang J F.Prestack time migration including surface topography[J].Chinese J.Geophys.(in Chinese), 2009,52(1):239-244.
[25]杨勤勇,方伍宝.复杂地表复杂地下地区地震成像技术研究[J].石油与天然气地质,2008,29(5):631-634. Yang Q Y,Fang W B.A study on seismic imaging techniques in complex surface and subsurface areas[J].Oil & Gas Geology(in Chinese),2008,29(5):631-634.
[26]黄中玉,曲寿利,王于静,等.层状各向异性介质转换波克希霍夫叠前时间偏移[J].地球物理学报,2009,52(12): 3109-3115. Hong Z Y,Qu S L,Wang Y J,et al.Kirchhoff prestack time migration of PS-wave data for the layered anisotropic medium[J],Chinese J.Geophys.(in Chinese),2009,52 (12):3109-3115.
[27]管路平,唐亚勋,王华忠.共偏移距道集平面波叠前时间偏移与反偏移[J].地球物理学报,2009,52(5):1301-1309. Guan L P,Tang Y X,Wang H Z.Common-offset planewave prestack time migration and demigration[J].Chinese J.Geophys.(in Chinese),2009,52(5):1301-1309.
[28]张丽艳,刘洋,陈小宏.几种相对振幅保持的叠前偏移方法对比分析[J].地球物理学进展,2008,23(3):852-858. Zhang I,Y,Liu Y,Chen X H.Comparative analysis of several relative amplitude-preserving prestack migration methods[J].Progress in Geophysics(in Chinese),2008,23 (3):852-858.
[2]Gray S H,方伍宝.地震偏移问题及其解决方案[J].勘探地球物理进展,2002,25(2):44-60. Gray S H,Fang W B.The solution and problem of seismic migration[J].Progress in Exploration Geophysics(in Chinese),2002,25(2):44-60.
[3]王贺林.叠前时间偏移技术在关家堡地区地震资料处理中的应用[J].石油地球物理勘探,2006,41(增刊):1-6. Wang H L.Application of prestack time migration to seismic data processing in Guanjiapu area[J].OGP(in Chinese), 2006,41(Supplement):1-6.
[4]宋建国.基于地震地质模型的高分辨率处理方法[J].石油大学学报(自然科学版),2002,26(3):30-33. Song J G.High-resolution method for treatment of seismic data based on seismic-geologic model[J].Journal of the University of Petroleum(Edition of Natural Science )(in Chinese),2002,26(3):30-33.
[5]林依华,张中杰,尹成,等.复杂地形条件下静校正的综合寻优[J].地球物理学报,2003,(1):101-106. Lin Y H,Zhang Z J,Yin C,et al.Hybrid optimization of static estimation in complex topography[J].Chinese J. Geophys.(in Chinese),2003,(1):101-106.
[6]于明德,王璞珺,铁映春,等.叠前时间偏移技术及其在三江盆地的应用[J].石油物探,2007,46(6):637-642. Yu M D,Wang P J,Tie Y C,et al.Prestack time migration technology and its application in Sanjiang Basin[J],GPP(in Chinese),2007,46(6):637-642.
[7]裴江云,张丽艳,王丽娜,等.松辽盆地深层地震资料叠前时间偏移连片处理技术研究[J].地球物理学报,2011,54(2): 294-303. Pei J Y,Zhang L Y,Wang L N,era/.Multi-survey joint prestack time migration processing study of deep beds in Songliao basin[J].Chinese J.Geophys.(in Chinese),2011,54(2): 294-303.
[8]李安邦,刘财,王世煜,等.减少大地对地震信号吸收问题的有效方法[J].吉林大学学报(地球科学版),2006,36 (Supplement2):87-92. Li A B,Liu C,Wang S Y,et al.The method to solve the earth absorbs of the seismic signal[J].Journal of Jilin University(Earth Science Edition)(in Chinese),2006,36 (Supplement2):87-92.
[9]王红旗,孟小红,王宇超,等.三维叠前时间偏移在红北地区的应用[J].石油物探,2005,44(1):68-70. Wang H Q,Meng X H,Wang Y C,et al.The application of 3-D prestack time migration in Hongbei area[J].GPP(in Chinese),2005,44(1):68-70.
[10]牟永光.地震勘探资料数字处理方法[M].北京:石油工业出版社,1982,183-188. Mou Y G.Digital seismic data processing method(in Chinese)[M].Beijing:Petroleum Industry Press,1982,183- 188.
[11]罗银河,刘江平,董桥梁,等.Kirchhoff弯曲射线叠前时间偏移及应用[J].天然气工业,2005,25(8):35-37. Luo Y H,Liu J P,Dong Q L,et al.Kirchhoff curved-ray prestack time migration and its application[J].Natural Gas Industry(in Chinese),2005,25(8):35-37.
[12]王小卫,姚姚,吕彬,等.弯曲射线走时计算方法在Kirchhoff叠前时间偏移中的应用[J].天然气地球科学, 2010,21(5):855-858. Wang X W,Yao Y,Lv B,et al.Application of curved-ray traveltime computation method in Kirchhoff prestack time migration[J].Natural Gas Geoscience(in Chinese),2010, 21(5):855-858.
[13]邹振,刘洪,刘红伟.Kirchhoff叠前时间偏移角度道集[J].地球物理学报,2010,53(5):1207-1214. Zou Z,Liu H,Liu H W.Common-angle gathers based on Kirchhoff pre-stack time migration[J].Chinese J.Geophys. (in Chinese),2010,53(5):1207-1214.
[14]程玖兵,王楠,马在田.表驱三维角度域Kirchhoff叠前时间偏移成像方法[J].地球物理学报,2009,52(3),792-800. Cheng J B,Wang N,Ma Z T.Table-driven 3-D angledomain imaging approach for Kirchhoff prestack time migration[J].Chinese J.Geophys.(in Chinese),2009,52 (3),792-800.
[15]刘立彬,李振春.叠前时间偏移技术在东营凹陷北部陡坡带砂砾岩体成像中的应用[J].地球物理学进展,2007,22(5): 1571-1577. Liu L B,Li Z C.The application of prestack time migration techniques in sandy conglomeratic imaging of abrupt slope in north of Dongying Sag[J].Progress in Geophysics(in Chinese),2007,22(5):1571-1577.
[16]樊卫花,杨长春,孙传文,等.三维地震资料叠前时间偏移应用研究[J].地球物理学进展,2007,22(3):836-842. Fan W H,Yang C C,Sun C W,et al.Application of prestack time migration for three dimensional seismic data [J].Progress in Geophysics(in Chinese),2007,22(3):836- 842.
[17]王锡文,秦广胜,刘向东,等.叠前偏移技术在中原复杂断块区的应用[J].地球物理学进展,2005,20(4):1092- 1098. Wang X W,Qin K S,Liu X D,et al.The application of prestack migration technique in complex Fault-blocks of Zhongyuan oilfield[J].Progress in Geophysics(in Chinese),2005,20 (4):1092-1098.
[18]周晨光,单刚义,张丽华.叠前时间偏移在华北地区的应用[J].吉林大学学报(地球科学版),2006,36(Supplement2): 55-57. Zhou C G,Shan G Y,Zhang L H.Application of prestack time migration in north China area[J].Journal of Jilin University(Earth Science Edition)(in Chinese),2006,36 (Supplement2):55-57.
[19]李信富,李小凡.分形插值地震数据重建方法研究[J].地球物理学报,2008,51(4):1196-1201. Li X F,Li X F.Seismic data reconstruction with fractal interpolation[J].Chinese J.Geophys.(in Chinese),2008, 51(4):1196-1201.
[20]崔宝文,王维红.叠前时间偏移技术在深层断陷区地震成像中的应用[J].地球物理学进展,2010,25(5):1 703-1708. Cui B W,Wang W H.Application of prestack time migration to seismic imaging of deep fault depression areas[J]. Progress in Geophysics(in Chinese),2010,25(5):1703—
[21]王汝珍,袁联生,李鹏,等.三维叠前时间偏移技术在塔河地区的应用[J].勘探地球物理进展,2006,29(5):360- 365. Wang R Z,Yuan L S,Li P,et al.Application of 3-D prestack time migration in Tahe oilfield[J].PEG(in Chinese),2006,29(5):360-365.
[22]张颖.三维地震叠前时间偏移处理技术应用与展望[J].石油勘探与开发,2006,33(5):536-541. Zhang Y.Application and prospect of 3D seismic pre-stack time migration processing technique[J].Petroleum Exploration and Development(in Chinese),2006,33(5):536—541.
[23]董春晖,张剑锋.结合基准面重建的叠前时间偏移方法[J].地球物理学报,2010,53(10):2435-2441. Dong C H,Zhang J F.Prestack time migration incorporated with redatuming[J].Chinese J.Geophys.(in Chinese), 2010,53(10):2435-2441.
[24]董春晖,张剑锋.起伏地表下的直接叠前时间偏移.地球物理学报,2009,52(1):239-244. Dong C H,Zhang J F.Prestack time migration including surface topography[J].Chinese J.Geophys.(in Chinese), 2009,52(1):239-244.
[25]杨勤勇,方伍宝.复杂地表复杂地下地区地震成像技术研究[J].石油与天然气地质,2008,29(5):631-634. Yang Q Y,Fang W B.A study on seismic imaging techniques in complex surface and subsurface areas[J].Oil & Gas Geology(in Chinese),2008,29(5):631-634.
[26]黄中玉,曲寿利,王于静,等.层状各向异性介质转换波克希霍夫叠前时间偏移[J].地球物理学报,2009,52(12): 3109-3115. Hong Z Y,Qu S L,Wang Y J,et al.Kirchhoff prestack time migration of PS-wave data for the layered anisotropic medium[J],Chinese J.Geophys.(in Chinese),2009,52 (12):3109-3115.
[27]管路平,唐亚勋,王华忠.共偏移距道集平面波叠前时间偏移与反偏移[J].地球物理学报,2009,52(5):1301-1309. Guan L P,Tang Y X,Wang H Z.Common-offset planewave prestack time migration and demigration[J].Chinese J.Geophys.(in Chinese),2009,52(5):1301-1309.
[28]张丽艳,刘洋,陈小宏.几种相对振幅保持的叠前偏移方法对比分析[J].地球物理学进展,2008,23(3):852-858. Zhang I,Y,Liu Y,Chen X H.Comparative analysis of several relative amplitude-preserving prestack migration methods[J].Progress in Geophysics(in Chinese),2008,23 (3):852-858.
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