基于地震多属性分析的深层浊积扇刻画研究
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摘要
渤海辽东湾地区下第三系东营组存在大量各种类型的水下浊积扇,这些浊积扇体都是油气勘探最有利的目标之一。但由于埋藏较深,且只有少量的探井可供利用,因此,对这些浊积扇的研究只能依靠地震资料来进行。利用LD22–1地区地震资料上提取的多种类型的地震属性,研究了该地区深部两种典型的浊积扇体及其内幕特征,不但分析了它们的地质特征,而且还分析了它们在不同类型地震属性上的表现特征,并从物理意义和地质意义两方面分析了为什么会出现这种表现特征,并得到了12种对浊积扇体识别刻画敏感的地震属性。
There are various types of deep layer turbidite fans in Paleogene Dongying Formation from Liaozhong structure zone of Bohai Bay of China.These turbidite fans are the most potential play of oil & gas exploration.They were buried deeply,and few exploration wells can be used.Their research of these turbidite fans must rely on seismic data.This paper studies the two representative turbidite fans and their internal feature using polytype seismic attributes extracted from the seismic data of the LD22-1 area.We analyze not only their geologic characteristic,but also the display feature in the different seismic attributes,and the reason why they would show such feature from the physical and geological significance.Eventually,12 seismic attributes sensitive to the identification of turbidite fan are obtained.
There are various types of deep layer turbidite fans in Paleogene Dongying Formation from Liaozhong structure zone of Bohai Bay of China.These turbidite fans are the most potential play of oil & gas exploration.They were buried deeply,and few exploration wells can be used.Their research of these turbidite fans must rely on seismic data.This paper studies the two representative turbidite fans and their internal feature using polytype seismic attributes extracted from the seismic data of the LD22-1 area.We analyze not only their geologic characteristic,but also the display feature in the different seismic attributes,and the reason why they would show such feature from the physical and geological significance.Eventually,12 seismic attributes sensitive to the identification of turbidite fan are obtained.
引文
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[2]张莉.频谱分解技术在浊积砂体勘探中的应用[J].科技信息,2009,13:27-31.
[3]刘伟,贺振华,陈学华.地震多属性在浊积扇河道砂体识别中的应用[J].西安石油大学学报:自然科学版,2011,26(5):6-10.Liu Wei,He Zhenhua,Chen Xuehua.Application of seis-mic multi-attributes in the identification of the channelsand in turbidite body[J].Journal of Xi’an Shiyou Univer-sity:Natural Science Edition,2011,26(5):6-10.
[4]马德波,李明,张佳佳,等.鄂尔多斯盆地西南部地区延长组浊积砂体的地震识别研究[J].石油天然气学报,2009,31(4):73-76.Ma Debo,Li Ming,Zhang Jiajia,et al.Seismic identifi-cation of turbidite sandbody in Yanchang formation in thesouth of Ordos Basin[J].Journal of Oil and Gas Techno-logy,2009,31(4):73-76.
[5]刘传虎.砂砾岩扇体发育特征及地震描述技术[J].石油物探,2001,40(1):64-72.LiuChuanhu.Featuresandseismicdescriptionofglutenitesegment[J].Geophysical Prospecting For Petroleum,2001,40(1):64-72.
[6]范洪军,李军,肖毓祥,等.地震分频技术在扇三角洲演化过程研究中的应用[J].石油与天然气地质,2007,28(5):682-692.Fan Hongjun,Li Jun,Xiao Yuxiang,et al.Applicationof seismic frequency-division technology in the study offan-delta evolution[J].Oil&Gas Geology,2007,28(5):682-692.
[7]苏朝光,刘怀山,王树华,等.深水浊积扇成藏地质条件及地震描述技术[J].天然气工业,2008,28(4):33-36.SuChaoguang,LiuHuaishan,WangShuhua,etal.Reser-voiring geologic conditions and seismic description ofdeep water turbidite fan[J].Natural Gas Industry,2008,28(4):33-36.
[8]张璐,印兴耀,李红梅,等.基于地震奇异性属性划分砂砾岩扇体沉积界面[J].物探化探计算技术,2009,31(4):361-368.ZhangLu,YingXingyao,LiHongmei,etal.Dividingthedepositional interface of glutenite fans based on seismicingularity attribute[J].Computing Techniques for Geo-physical and Geochemical Exploration,2009,31(4):361-368.
[9]董文波,吴雨韩,吴采西,等.应用地震解释技术识别湖底扇[J].新疆石油地质,2011,32(2):183-184.Dong W B,Wu Y H,Wu C X,et al.Sublacustrinefan identification by seismic interpretation technology[J].XinJiang Petroleum Geology,2011,32(2):183-184.
[10]赖生华,麻建明,杜志敏,等.水层扇体储层预测[M].成都:四川科学出版社,2004.
[11]王捷.油藏描述技术:勘探阶段[M].北京:石油工业出版社,1996.
[12]徐长贵,许效松,丘东洲,等.辽东湾地区辽西凹陷中南部古近系构造格架与层序地层格架及古地理分析[J].古地理学报,2005,7(4):449-459.Xu Changgui,Xu Xiaosong,Qiu Dongzhou,et al.Struc-tural and sequence stratigraphic frameworks and palaeo-geography of the Paleogene in central-southern LiaoxiSag,Liaodongwan Bay area[J].Journal of Palaeogeogra-phy,2005,7(4):449-459.
[13]夏斌,刘朝露,陈根文.渤海湾盆地中新生代构造演化与构造样式[J].天然气工业,2006,26(12):57-62.Xia Bin,Liu Zhaolu,Chen Genwen.Meso-cenozoic tec-tonic evolution and tectonic styles in the Bohai Baybasin[J].Natural Gas Industry,2006,26(12):57-62。
[14]赵澄林,朱筱敏.沉积岩石学[M].北京:石油工业出版社,2001.
[15]蒋恕,蔡东升,朱筱敏,等.辽中凹陷中深层储层质量评价及隐蔽砂体成藏条件分析[J].中国海上油气,2007,19(4):224-228.Jiang Shu,Cai Dongsheng,Zhu Xiaomin,et al.Reser-voir quality evaluations for the middle deep intervals andreservoiring condition analyses for the subtle sandbodiesin Liaozhong depression[J].China Offshore Oil and Gas,2007,19(4):224-228.
[16]田立新,周东红,刘力辉,等.辽东湾蠕虫状地震反射的地质意义研究[J].石油物探,2010,49(3):295-299.Tian Lixin,Zhou Donghong,Liu Lihui,et al.Re-search on geological significance of vermicular reflec-tion in Liaodong Bay[J].Geophysical Prospecting forPetroleum,2010,49(3):295-299.
[17]魏艳,尹成,丁峰,等.地震多属性综合分析的应用研究[J].石油物探,2007,46(1):42-47.Wei Yan,Yin Cheng,Ding Feng,et al.Synthetic analysisof seismic multi-attribute and its application[J].Geophys-ical Prospecting for Petroleum,46(1):42-47.
[18]林吉祥,施泽进,凌云,等.利用基本地震属性对目标层段的沉积演化解释研究[J].成都理工大学学报:自然科学版,2007,34(2):174-179.Lin Jixiang,Shi Zejin,Ling Yun,et al.A study of depo-sitional enviroment evolution of the target zone throughbasicseismicattributesanalysis[J].JournalofChengduU-niversity of Technology:Science&Technology Edition,2007,34(2):174-179.
[19]饶孟余,钟建华,王夕宾,等.东营凹陷东部沙三段滑塌浊积砂体沉积特征[J].煤田地质与勘探.2004,32(3):15-17.Rao Mengyu,Zhong Jianhua,Wang Xibin,et al.Sedi-mentary characteristics of creeping turbidite sandbody ofthe Member 3 of Shahejie Formation in easetern Dong-ying depression[J].Coal Geology&Exploration,2004,32(3):15-17.
[20]符志国,尹成,张白林,等.利用小波参数检测砂体分布[J].石油地球物理勘探,2005,40(3):343-348.FuZhiguo,YinCheng,ZhangBailin,etal.Usingwaveletparameters for detection of distribution of sand body[J].Oil Geophysical Prospecting,2005,40(3):343-348.
[21]谢玉洪,刘力辉,陈志宏.中国南海地震沉积学研究及其在岩性预测中的应用[M].北京:石油工业出版社,2010.
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