Volume 35 Issue 5
Oct.  2007
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HAN Ren-qiao, WANG Cheng-li. Research on 3D seismic data processing of offshore coal field[J]. COAL GEOLOGY & EXPLORATION, 2007, 35(5): 69-72.
Citation: HAN Ren-qiao, WANG Cheng-li. Research on 3D seismic data processing of offshore coal field[J]. COAL GEOLOGY & EXPLORATION, 2007, 35(5): 69-72.

Research on 3D seismic data processing of offshore coal field

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  • Received Date: April 03, 2007
  • Available Online: March 13, 2023
  • There is big subsurface local obliquity and great variation in Longkou coal exploration area(from 1 to 13 meters).The seismic data suffers from the geophone wandering,variable cycle ringing and big wavelet difference.The geophone wandering problem is solved from 3D view through receiver position inversion using travel time of direct wave and refracted wave,the variable cycle singing is suppressed sufficiently via variable step-length two-step predictive deconvolution,and steep-dip imaging problem is solved by pre-stack time migration.The actual material process result affirmed the obvious effects of the seismic data processing methods mentioned in the article in the Longkou sea area.

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