基于遥感信息的地震测线优选方法
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摘要
地震勘探中,在满足地下探测目标要求的前提条件下,结合地表地貌及地质情况,选择较好的测线部署方案是取得较好资料的基础。为使高陡山地及低信噪比地区地震测线部署方案有利于地震实施、激发和接收,通过在复杂地表地震工区的探索、研究和实践,建立了基于遥感信息的测线评价与半自动优选方法。该方法利用从遥感信息中提取的DEM(数字高程模型)、坡度、相对湿度、地表糙度、岩性等信息对测线位置的可实施性、激发与接收条件进行评价,能够从根据原始测线部署产生的待选测线中优选出较佳的地震测线部署方案。在塔里木西秋里塔格探区的应用证实,该方法能改善测线的采集条件与可实施性,进而改善资料品质并降低勘探成本。图7参14
For seismic exploration,it is the basis for better data acquisition to select better line layout in line with morphosequent and geologic conditions,provided that the objective of underground exploration is met.To ensure that the seismic line layout in areas with high-steep mountains and low signal-noise ratio is helpful for the seismic execution,launching and receiving,a line assessment and semi-automatic optimization method was defined on the basis of remote sensing information through exploitation,study and practices in complex-surface seismic area.The method is used to evaluate the applicability and launching and receiving conditions at line positions with such information as digital elevation model(DEM),slope,relative humidity,surface roughness and lithology,so as to select the better layout from optional seismic lines generated from the original seismic layout.The application in the Qiulitage exploration area in the west of Tarim Basin proved that the method can improve the seismic data acquisition conditions and applicability of lines,promoting the data quality and cutting down the exploration cost.
For seismic exploration,it is the basis for better data acquisition to select better line layout in line with morphosequent and geologic conditions,provided that the objective of underground exploration is met.To ensure that the seismic line layout in areas with high-steep mountains and low signal-noise ratio is helpful for the seismic execution,launching and receiving,a line assessment and semi-automatic optimization method was defined on the basis of remote sensing information through exploitation,study and practices in complex-surface seismic area.The method is used to evaluate the applicability and launching and receiving conditions at line positions with such information as digital elevation model(DEM),slope,relative humidity,surface roughness and lithology,so as to select the better layout from optional seismic lines generated from the original seismic layout.The application in the Qiulitage exploration area in the west of Tarim Basin proved that the method can improve the seismic data acquisition conditions and applicability of lines,promoting the data quality and cutting down the exploration cost.
引文
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[2]张研,张颖,孙夕平,等.地震储集层预测技术在不同勘探开发阶段的应用[J].石油勘探与开发,2006,33(1):59-63.
[3]姚宗惠,杜中东,王学刚,等.鄂尔多斯西缘前陆盆地巨厚黄土地区地震采集技术[J].石油勘探与开发,2007,34(4):406-412.
[4]熊翥.复杂地区地震数据处理思路[M].北京:石油工业出版社,2002.
[5]熊翥.复杂地区油气地球物理勘探技术数据采集[M].北京:石油工业出版社,1999.
[6]Laake A,Insley M.Using satellite imagery aids seismic surveysin planning,acquisition and processing[J].World Oil,2004,225(9):27-33.
[7]赵邦六,杜小弟,张友焱.高精度遥感影像数据在复杂地表区地震勘探工程中的应用[J].中国石油勘探,2005,10(2):33-35,52.
[8]方洪宾.1∶25万遥感地质填图方法和技术[M].北京:地质出版社,2002.
[9]罗亚,徐建华,岳文泽.基于遥感影像的植被指数研究方法评述[J].生态科学,2005,24(1):75-79.
[10]杨贵军,柳钦火.高分辨率星载遥感立体像对3D测量模型[J].地理与地理信息科学,2006,22(6):17-20.
[11]胡德勇,李京,陈云浩,等.不同模式Radarsat影像DEM提取及精度比较[J].遥感技术与应用,2006,23(6):15-20.
[12]赵利平,刘凤德,李健,等.印度测图卫星IRS-P5定位精度初步研究[J].遥感信息,2007,24(2):28-32.
[13]Maitre H.合成孔径雷达图像处理[M].孙洪(译).北京:电子工业出版社,2005.
[14]栾庆祖,刘慧平,肖志强.遥感影像的正射校正方法比较[J].遥感技术与应用,2007,22(6):743-747,I0004.
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