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ID:46314777
大小:2.52 MB
页数:10页
时间:2019-11-22
《江苏高邮凹陷深凹带古近系戴南组地震沉积学》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、2015年6月,第21卷,第2期,336—345页高校地质学报June2015,Vo1.21,No.2,PP.336—345GeologicalJournalofChinaUniversitiesDOh10.16108/j.issnl006—7493.2013168江苏高邮凹陷深凹带古近系戴南组地震沉积学赵东娜,朱筱敏,梁兵,马英俊,薄永德,吴冬,刘芬,孙书洋1.壳牌中国勘探与生产有限公司,北京100004;2.中国石油大学(北京)地球科学学院,北京102249;3.中石化江苏油田分公司地质科学研究院,扬州225009摘要:江苏高邮凹陷石油地质条件优越,但构造复杂
2、,沉积类型多样,砂体沉积厚度薄,横向变化快。根据地震沉积学基本原理与方法,在等时层序地层格架内,运用90。相位转化、分频处理、属性优选及地层切片等关键技术,对高邮凹陷深凹带戴南组储集砂体进行了识别与描述。通过对典型地层切片进行精细地质解释与标定,明确各沉积体系发育特征及其演化规律,并最终建立了适用于断陷湖盆沉积充填的沉积模式。关键词:高邮凹陷深凹带;戴南组;地震沉积学;滑塌浊积扇;沉积演化中图分类号:P618.13文献标识码:A文章编号:1006—7493(2015)02—0336—10SeismicSedimentologyofthePalaeogeneDain
3、anFormationintheDeepSagZoneofGaoyouDepression,JiangsuProvinceZHAODongna’,ZHUXiaomin,LIANGBing。,MAYingjun。,BOYongde。,WUDong,LIUFen,SUNShuyang1.ShellChinaExplorationandProductionCo.Ltd,Beijing100004,China;2.CollegeofNaturalResourceandInformationTechnology,ChinaUniversityofPetroleum(Beij
4、ing),Beijing102249,China;3.InstituteofGeologicalSciences,JiangsuOilfieldBranchCompany,SINOPEC,Yangzhou225009,ChinaAbstract:Seismicsedimentologyisanewlyemergedinterdisciplinarysubject,whichusesseismicdatatogaininsightsintotherocksandtheirformingprocesses.Itisregardedasaneffectivetoolfo
5、rmappinghigh—frequencysequenceanddepositionalsystems,andplaysanimportantroleintheexplorationandproductionofthinsandstonereservoirs.Becauseofthescarcityofwelldatainthedeepsagzone,thedistributionandthescaleofthesandstonereservoirinthedeepsagzoneareverydificulttodeterminebyusingtheconven
6、tionalexplorationmethod.Guidedbythethird—ordersequence—stratigraphiccorrelationsfromseismicandwire—linelogdata,inthisstudy,stratumsliceswerepreparedfromathree—dimensionalseismicvolumetorevealsand—bodydistributioninthedeepsagzoneandtomaptheassociateddepositionalsystemsdistributionsinsl
7、opesofthedepression.Withtheassistanceofthecomprehensiveanalysisofcore,lithologyandwell—loggingdata,theslumpturbiditesandstonereservoirsofdifferentsequencesinthedeepsagzonewereeffectivelypredicted.Keywords:deepsagzoneofGaoyouDepression;DainanFormation;seismicsedimentology;slumpturbidit
8、efan;
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