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LI XINGCAIup, Yu WUXINGup, SHI RUBINup, WANG MINGup, YANG RUOYIup2loans.comlucash. 1986: IN-SITU VELOCITY MEASUREMENTS. Acta Seismologica Sinica, 8(3): 334-337.
Citation: LI XINGCAIup, Yu WUXINGup, SHI RUBINup, WANG MINGup, YANG RUOYIup2loans.comlucash. 1986: IN-SITU VELOCITY MEASUREMENTS. Acta Seismologica Sinica, 8(3): 334-337.
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IN-SITU VELOCITY MEASUREMENTS

  • 1. Institute of Geophysics, State Seismological Bureau; 2. Jilin Provincial Oil Field

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  • Published Date: August 31, 2011
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    • Abstract
  • In-situ velocity measurements which were carried out at a set of wells about 400 meters deep in the Jilin provincial oil field in 1982 indicate that anisotropy of P-wave velocity is distinct. Based on in-situ geological study in the field, analysis of rock samples and the anisotropy of permeability of cores, it is pointed out that the anisotro-py of P-wave velocity is mainly caused by faults and directional of cracks; and the orientation of cracks is correspondent with the stress state in the Song Liao basin.
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    • References (1)
  • [1] Nur,A., G. Simmons,水饱和对低孔隙率岩石速度的影响,地震理论与实验译文集,115——124地震出版社,1979.

    [2] Hadly, K, Azimuthal variation of dilatancy, J. Geophys. Res., 80, 4845一4350, 1975.

    [3] Nur. A, G. Simmons, Stress——induced velocity anisotropy in rock: an experimental study, J, Gtophys.Res., 74, 6667——6672, 1969,

    [4] Crampin. S., E. M. Chesonkov, R, C. Hipkin, Seismic anisotropy一一the state of art II, Geophys,J. R. astr. Soc., 76, 1——16, 1984,

    [5] Hudson, J. A., Wave speeds and attenuation of elastie waves in material containing cracks, Gcophys,J. R. aser. Soc., 64, 133——150, 1981.

    [6] 汪素云、许忠淮,中国东部大陆的地震构造应力场,地震学报,7,17——31,1985.

    [1] Nur,A., G. Simmons,水饱和对低孔隙率岩石速度的影响,地震理论与实验译文集,115——124地震出版社,1979.

    [2] Hadly, K, Azimuthal variation of dilatancy, J. Geophys. Res., 80, 4845一4350, 1975.

    [3] Nur. A, G. Simmons, Stress——induced velocity anisotropy in rock: an experimental study, J, Gtophys.Res., 74, 6667——6672, 1969,

    [4] Crampin. S., E. M. Chesonkov, R, C. Hipkin, Seismic anisotropy一一the state of art II, Geophys,J. R. astr. Soc., 76, 1——16, 1984,

    [5] Hudson, J. A., Wave speeds and attenuation of elastie waves in material containing cracks, Gcophys,J. R. aser. Soc., 64, 133——150, 1981.

    [6] 汪素云、许忠淮,中国东部大陆的地震构造应力场,地震学报,7,17——31,1985.
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