无井约束反演在神狐海域水合物预测中的应用
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摘要
天然气水合物是天然气与水在高压低温条件下形成的类似冰状的结晶物质,其分布广、资源量巨大、能量密度高,极具开发前景。以神狐海域为例,介绍了在无井约束的情况下,如何应用地震反演方法。通过分析阻抗值的差异及分布特征,预测神狐海域水合物的展布。整体预测效果较好。总结了预测流程及预测的成功经验,为海域水合物矿产的预测及勘探和开采提供了借鉴。
Gas hydrate is a crystalline material like ice formed by natural gas and water under high pressure and low temperature.It has great development prospects for the wide distribution,huge amount of resources and high energy density.This paper introduces how to use seismic inversion to forecast the hydrates distribution without well constraint in Shenhu area by analyzing the differences of impedance values and its distribution characteristics.The forecasting results are tested well.Thus the paper will provide a basis for hydrates exploration and exploitation.
Gas hydrate is a crystalline material like ice formed by natural gas and water under high pressure and low temperature.It has great development prospects for the wide distribution,huge amount of resources and high energy density.This paper introduces how to use seismic inversion to forecast the hydrates distribution without well constraint in Shenhu area by analyzing the differences of impedance values and its distribution characteristics.The forecasting results are tested well.Thus the paper will provide a basis for hydrates exploration and exploitation.
引文
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[15]Lu Jimeng.The Principle of Seismic Exploration[M].Dongy-ing:China University of Petroleum Press,2005:219-220.[陆基孟.地震勘探原理[M].东营:中国石油大学出版社,2005:219-220.]
[2]Zheng Junwei,Shi Dou.Discussion about international devel-opment situation of natural gas hydrate from the perspectiveof bibliometrics[J].Natural Gas Geoscience,2005,16(6):825-829.[郑军卫,史斗.从文献计量角度看国际天然气水合物研发态势[J].天然气地球科学,2005,16(6):825-829.]
[3]Xu Wenshi,Yu Xinghe,Liu Nina,et al.The development per-spective and environmental problem of natural gas hydrate[J].Natural Gas Geoscience,2005,16(5):680-683.[徐文世,于兴河,刘妮娜,等.天然气水合物开发前景和环境问题[J].天然气地球科学,2005,16(5):680-683.]
[4]Li Zhengwen,Zhao Zhichao.Seismic Exploration Data Inter-pretation[M].Beijing:Geology Publishing House,1988:1-100.[李正文,赵志超.地震勘探资料解释[M].北京:地质出版社,1988:1-100.]
[5]Zhang Guangxue,Huang Yongyang,Chen Bangyan,et al.Nat-ural Gas Hydrate Seismology of Sea Area[M].Beijing:OceanPress,2003:1-254.[张光学,黄永样,陈邦彦,等.海域天然气水合物地震学[M].北京:海洋出版社,2003:1-254.]
[6]Song Haibin,Zhang Ling,Jiang Weiwei,et al.Marine naturalgas hydrate geophysical research(Ⅲ):Bottom simulating re-flector[J].Progress in Geophysics,2003,18(2):182-187.[宋海斌,张岭,江为为,等.海洋天然气水合物的地球物理研究(Ⅲ):似海底反射[J].地球物理学进展,2003,18(2):182-187.]
[7]Miller J J,MyungW L,VonHuene R.An analysis of a reflec-tion from the base of a gas hydrate zone of Peru[J].AmericanAssociation of Petroleum Geologists Bulletin,1991,75:910-924.
[8]Fang Yinxia,Jin Xianglong,Li Mingbi.Exploration and devel-opment technology of natural gas hydrate[J].China OffshorePlatform,2002,17(2):11-15.[方银霞,金翔龙,黎明碧.天然气水合物的勘探与开发技术[J].中国海洋平台,2002,17(2):11-15.]
[9]Fang Yinxia,Jin Xianglong,Yang Shufeng.Undersea naturalgas hydrate resource evaluation using seismic reflection meth-od[J].Marine Science Bulletin,2000,19(2):49-52.[方银霞,金翔龙,杨树锋.利用地震反射法评价海底天然气水合物资源[J].海洋通报,2000,19(2):49-52.]
[10]Sha Zhibin,Zheng Tao,Yang Muzhuang,et al.Natural gashydrate seismic detecting technology[J].Geoscience,2010,24(3):481-488.[沙志彬,郑涛,杨木壮,等.基于波阻抗反演的天然气水合物地震检测技术[J].现代地质,2010,24(3):481-488.]
[11]Jin Qinghuan.Natural gas hydrate:The new energy in the fu-ture[J].Engineering Sciences,2000,(2):29-34.[金庆焕.天然气水合物——未来的新能源[J].中国工程科学,2000,(2):29-34.]
[12]Mao Chuanlong,Yang Ruizhao,Wan Xiaoming,et al.Applica-tion study of well log information to reservoir inversion andprediction[J].Oil Geophysical Prospecting,2010,45(4):577-583.[毛传龙,杨瑞召,万晓明,等.录测井资料在储层反演和预测中的应用研究[J].石油地球物理勘探,2010,45(4):577-583.]
[13]Yi Ping,Lin Guikang.Random seismic inversion technologyand the application to the Wenchang13-1oil field[J].Oil Geo-physical Prospecting,2005,40(1):87-91.[易平,林桂康.随机地震反演技术及在文昌13-1油田的应用[J].石油地球物理勘探,2005,40(1):87-91.]
[14]Lei Li′an,Xu Meiru,Cao Xueliang,et al.The application ofsequential indicator simulation method to thin sandstone res-ervoir prediction in Dongkui depression[J].Oil GeophysicalProspecting,2005,40(1):92-96.[雷利安,徐美茹,曹学良,芦淑萍.带趋势序贯指示模拟方法在东睽凹陷薄砂岩储层预测中的应用[J].石油地球物理勘探,2005,40(1):92-96.]
[15]Lu Jimeng.The Principle of Seismic Exploration[M].Dongy-ing:China University of Petroleum Press,2005:219-220.[陆基孟.地震勘探原理[M].东营:中国石油大学出版社,2005:219-220.]
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