地震沉积学在准噶尔盆地玛湖西斜坡区三叠系百口泉组的应用
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摘要
地震沉积学主要是利用三维地震信息和现代地球物理技术对沉积体系、沉积相平面展布以及沉积发育史进行研究。准噶尔盆地玛湖西斜坡紧邻生油凹陷,成藏条件十分有利,油气资源丰富。但勘探目的层较深,储层非均质性强、储层较薄。通过对准噶尔盆地区域构造条件和沉积条件的研究认为,该区油藏类型多为构造岩性油藏,为此在准噶尔盆地玛湖凹陷西斜坡区三叠系百口泉组开展地震沉积学应用方面的研究,并通过对一系列地层切片的研究,结合钻井岩心信息进行动态解释,明确研究区沉积相特征。
Seismic sedimentology mainly uses 3D seismic information and modern geophysical technology to study sedimentary systems,sedimentary facies spread and its evolution history.The western Mahu slope close to the oil-generated sag in the vicinity of northwest margin fault belt of Junggar basin and has the favorable hydrocarbon accumulation conditions and rich oil and gas resources.But there is deep exploration bed of interest,strong heterogeneity of reservoir,and relatively thin reservoir.Based on study of regional structural and sedimentary conditions in the Junggar basin,the structural traps are not well-developed,but the composite traps such as lithological and stratigraphical trap are favorable developed.Accordingly,we carry out seismic sedimentology on the western Mahu slope of Junger basin in the 3D seismic area.We use a series of layer slices and drilled core information to dynamically interpret the target zone and determine the sedimentary facies in the study area.
Seismic sedimentology mainly uses 3D seismic information and modern geophysical technology to study sedimentary systems,sedimentary facies spread and its evolution history.The western Mahu slope close to the oil-generated sag in the vicinity of northwest margin fault belt of Junggar basin and has the favorable hydrocarbon accumulation conditions and rich oil and gas resources.But there is deep exploration bed of interest,strong heterogeneity of reservoir,and relatively thin reservoir.Based on study of regional structural and sedimentary conditions in the Junggar basin,the structural traps are not well-developed,but the composite traps such as lithological and stratigraphical trap are favorable developed.Accordingly,we carry out seismic sedimentology on the western Mahu slope of Junger basin in the 3D seismic area.We use a series of layer slices and drilled core information to dynamically interpret the target zone and determine the sedimentary facies in the study area.
引文
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[10]Shi Xin,Zhang Liping,He Dengfa,et al.The reservoir forma-tion model in the northwestern margin of Junggar basin[J].Natural Gas Geoscience,2005,16(4):460-463.[石昕,张立平,何登发,等.准噶尔盆地西北缘油气成藏模式分析[J].天然气地球科学,2005,16(4):460-463.]
[2]Zeng H L,Stephen C H,Riola J P.Stratal slicing,part II:Real3Dseismic data[J].Geophysics,1998,63(2):514-522.
[3]Huang Handong,Zhang Ruwei,Luo Qun,et al.Stubtle traprecognition based on seismic sedimentology:A case studyfrom Shengli oilfield[J].Applied Geophysics,2009,6(2):175-183.
[4]Zhang Yina,Zhu Xiaomin,Liu Changli.Seismic sedimentologyand its application in south of central Asia[J].Petroleum Ex-ploration and Development,2009,36(1):74-79.[张义娜,朱筱敏,刘长利.地震沉积学及其在中亚南部地区的应用[J].石油勘探与开发,2009,36(1):74-79.]
[5]Dong Chunmei,Zhang Xianguo,Lin Chengyan.Conceptin,method and technology of the seismic sedimentology[J].ActaSedimentologica Sinica,2006,24(5):699-704.[董春梅,张宪国,林承焰.地震沉积学的概念、方法和技术[J].沉积学报,2006,24(5):699-704.]
[6]Lin Chengyan,Zhang Xianguo.The discussion of seismic sedi-mentology[J].Advances in Earth Science,2006,21(11):1140-1144.[林承焰,张宪国.地震沉积学探讨[J].地球科学进展,2006,21(11):1140-1144.]
[7]Dong Yanlei,Zhu Xiaomin,Zeng Hongliu,et al.Seismic sedi-mentology study on Shayi sequence in Qinan sag,Huanghuadepression[J].Acta Sedimentologica Sinica,2008,26(2):234-240.[董艳蕾,朱筱敏,曾洪流,等.黄骅坳陷歧南凹陷古近系沙一层序地震沉积学研究[J].沉积学报,2008,26(2):234-240.]
[8]Zhang Zhao,Zhang Tingshan,Wei Xiangfeng,et al.Analysisof lower Cretaceous sedimentary facies,X block,Yemen[J].Natural Gas Geoscience,2008,19(6):835-839.[张朝,张廷山,魏祥峰,等.也门X区块下白垩统沉积相分析[J].天然气地球科学,2008,19(6):835-839.]
[9]Lei Dewen,Lv Huantong,Liu Zhenyu,et al.Prediction of al-luvial fan reservoir on slope in northwestern margin of Jung-gar basin[J].Xinjiang Petroleum Geology,1998,19(6):470-472.[雷德文,吕焕通,刘振宇,等.准噶尔盆地西北缘斜坡区冲积扇储集层预测与效果[J].新疆石油地质,1998,19(6):470-472.]
[10]Shi Xin,Zhang Liping,He Dengfa,et al.The reservoir forma-tion model in the northwestern margin of Junggar basin[J].Natural Gas Geoscience,2005,16(4):460-463.[石昕,张立平,何登发,等.准噶尔盆地西北缘油气成藏模式分析[J].天然气地球科学,2005,16(4):460-463.]
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