Acquiring better seismic data

著者

    • Pritchett, William Carr

書誌事項

Acquiring better seismic data

William Carr Pritchett

Chapman and Hall, 1990

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内容説明・目次

内容説明

Written as a reference for geophysicists, seismic surveyors and engineers in the mining, hydrocarbon and water industries this book attempts to recommend solutions to problems commonly experienced in the field. It recommends careful planning and executions of operations at this stage of resources exploration, results in large cost and time saving.

目次

  • General concepts, conclusions and observations
  • practical geophone arrays and source patterns
  • handy tools for field work
  • vibroseis crews
  • high resolution including practical use of nonlinear sweeps
  • practical field tests
  • marine seismology
  • shot crews
  • off-road coverage and three-dimensional surveys
  • steep dips and complex geology
  • high-velocity surface problems and answers
  • other problem areas and answers
  • shallow objectives and simultaneous recording
  • mapping porosity and free gas
  • selecting and operating equipment
  • practical line layout and obstacles
  • putting it all together
  • seismic data processing
  • communication
  • miscellaneous theory
  • wave propagation, attenuation and dispersion
  • economics, future trends and conclusions. Appendices: recommended forms
  • marine frequency band limits set by gun and cable depths
  • noise from a dipping refractor
  • geophone arrays, source patterns and CMP stacks
  • illustrations of spreads
  • short programs for programmable calculators
  • wavelets, phase and degree
  • vibroseis
  • ground force phase lock and drive level control
  • nonlinear sweep theory.

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