应用地震纵横波速综合参数识别层序地层界面
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摘要
以高分辨率层序地层学、旋回地层学理论为基础,以邯郸盆地第四系钻孔HZ-S、HZ5-3为例,探索了应用地震纵横波速综合参数识别层序地层界面进而划分层序的方法。根据波速参数随地层深度变化的曲线在层序界面附近存在的突变点或拐点,对HZ-S钻孔剖面进行了详细的四级、五级层序界面识别和对应层序的划分,并与岩心、测井、孢粉资料的分析结果进行对比,显示了很好的一致性,进一步通过HZ5-3钻孔的分析结果验证,表明应用地震纵横波速综合参数可以识别层序地层界面,进而划分地层。
On the basis of the theories of High-Resolution Sequence Stratigraphy and Cyclo-Stratigraphy,to take the Quaternary bores named HZ-S and HZ5-3 in Handan Basin,the application of using comprehensive parameters of the velocity of seismic P-wave and S-wave to identify sequence boundaries and subdivide sequences is discussed.The nearby-sequence-boundary abrupt-change-points and inflexions of parametric curves,on which the values of comprehensive parameters of the velocity of seismic P-wave and S-wave change with the depth of strata,are used to make detailed boundary identification and corresponding stratigraphic subdivision of fourth-order and fifth-order sequences for the stratigraphic profile of the bore named HZ-S.And the result is accordant with the analysis results of the core,well-logging and cryptogam data from the same bore when compared with each other.Further verification through the analysis result of another bore named HZ5-3 shows that comprehensive parameters of the velocity of seismic P-wave and S-wave can be used to identify sequence boundaries and subdivide sequences.
On the basis of the theories of High-Resolution Sequence Stratigraphy and Cyclo-Stratigraphy,to take the Quaternary bores named HZ-S and HZ5-3 in Handan Basin,the application of using comprehensive parameters of the velocity of seismic P-wave and S-wave to identify sequence boundaries and subdivide sequences is discussed.The nearby-sequence-boundary abrupt-change-points and inflexions of parametric curves,on which the values of comprehensive parameters of the velocity of seismic P-wave and S-wave change with the depth of strata,are used to make detailed boundary identification and corresponding stratigraphic subdivision of fourth-order and fifth-order sequences for the stratigraphic profile of the bore named HZ-S.And the result is accordant with the analysis results of the core,well-logging and cryptogam data from the same bore when compared with each other.Further verification through the analysis result of another bore named HZ5-3 shows that comprehensive parameters of the velocity of seismic P-wave and S-wave can be used to identify sequence boundaries and subdivide sequences.
引文
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[2]陈相府,安西峰.地震横波勘探及其在浅层岩土分层中的应用[J].地球物理学进展,2007,22(5):1655-1659.
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[6]马瑞,卢民杰,杨晓东.不同温压条件下弹性波在岩石中传播速度的实验研究[J].地震地质,1996,18(3):259-265.
[7]方崇,吴恒,韦姗姗,等.应力条件下室内土样的剪切波速试验[J].桂林工学院学报,2007,27(3):355-358.
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[11]丁梧秀.岩石(体)弹性波波速与应力关系新探讨[J].地质灾害与环境保护,1997,8(3):43-47.
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[16]李锐坚.模型材料弹性波的尺度效应和环境效应[J].石油地球物理勘探,1994,29(S2):209-216.
[17]丁梧秀.风化岩体的波速湿度效应[J].地质灾害与环境保护,1996,7(4):50-52.
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[19]M itchum R M Jr,Van W agoner J C.H igh-frequency se-quences and their stacking patterns:sequence-stratigraphicevidence of high-frequency eustatic cycles[J].SedimentaryGeology,1991,70(2-4):131-147.
[20]邓宏文,王红亮,祝永军,等.高分辨率层序地层学-原理及应用[M].北京:地质出版社,2002:Ⅱ-Ⅲ.
[2]陈相府,安西峰.地震横波勘探及其在浅层岩土分层中的应用[J].地球物理学进展,2007,22(5):1655-1659.
[3]杨伦,刘少峰,王家生.普通地质学简明教程[M].武汉:中国地质大学出版社,1998:26-32.
[4]汪新文.地球科学概论[M].北京:地质出版社,1999:43-45.
[5]刘斌.不同温压下岩石弹性波速度、衰减及各向异性与组构的关系[J].地学前缘,2000,7(1):247-257.
[6]马瑞,卢民杰,杨晓东.不同温压条件下弹性波在岩石中传播速度的实验研究[J].地震地质,1996,18(3):259-265.
[7]方崇,吴恒,韦姗姗,等.应力条件下室内土样的剪切波速试验[J].桂林工学院学报,2007,27(3):355-358.
[8]刘盛东,杨玉岷,胡绍龙.岩石受力状态对弹性波传播速度的影响初探[J].煤田地质与勘探,1996,5:50-53.
[9]史謌,沈文略,杨东全.岩石弹性波速度和饱和度、孔隙流体分布的关系[J].地球物理学报,2003,46(1):138-142.
[10]李保忠,蔡袁强.饱和度对横观各向同性准饱和多孔介质中弹性波传播的影响[J].水利学报,2003,9:94-101.
[11]丁梧秀.岩石(体)弹性波波速与应力关系新探讨[J].地质灾害与环境保护,1997,8(3):43-47.
[12]河北省地质局水文地质研究室.河北第四系[R].石家庄:河北省地质矿产局,1979.
[13]河北省地质矿产局.河北第四纪地质[M].北京:地质出版社,1987:1-186.
[14]N ieuwland F,MarschallR,PapaterposM,et al.An exam-ple of the use of shear waves in seism ic exploration[J].Journal of Seism ic Exploration,1994,3(1):5-20.
[15]施建新.下孔法波动探测中泥浆对剪切波的传导效应[J].勘察科学技术,1994,6:57-59.
[16]李锐坚.模型材料弹性波的尺度效应和环境效应[J].石油地球物理勘探,1994,29(S2):209-216.
[17]丁梧秀.风化岩体的波速湿度效应[J].地质灾害与环境保护,1996,7(4):50-52.
[18]NurA,Simmons G.水饱和对低孔隙率岩石速度的影响[C]//(苏)В.И.米亚奇金,(美)布雷斯W F.地震理论与实验译文集.国家地震局地球物理研究所第三研究室译.北京:地震出版社,1979:117-124.
[19]M itchum R M Jr,Van W agoner J C.H igh-frequency se-quences and their stacking patterns:sequence-stratigraphicevidence of high-frequency eustatic cycles[J].SedimentaryGeology,1991,70(2-4):131-147.
[20]邓宏文,王红亮,祝永军,等.高分辨率层序地层学-原理及应用[M].北京:地质出版社,2002:Ⅱ-Ⅲ.
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