Concepts in Sedimentary Petrology
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Questions and Answers

What is the impact of volume decrease on porosity?

  • No change in porosity
  • Decrease in porosity (correct)
  • Transformation into shale
  • Increase in porosity

    • How is permeability defined in relation to rocks?

  • Color of the rock
  • Density of the rock
  • Interconnection of pore spaces (correct)
  • Shape of the rock

    • What method is used to measure permeability with a non-reactive liquid?

  • Paraffin oil permeation
  • Core sample compaction
  • Gas permeameter
  • Liquid permeameter (correct)

    • What type of gas is typically used in gas permeameter for measuring permeability?

    <p>Helium</p> Signup and view all the answers

    What factor determines the ease with which fluids can flow through a rock?

    <p>Interconnectedness of pore spaces</p> Signup and view all the answers

    Which method is used to calculate the volume of shale in porous reservoirs?

    <p>Gamma ray log</p> Signup and view all the answers

    Which of the following fluids can be found in the pore spaces of underground rocks?

    <p>Natural gas</p> Signup and view all the answers

    Which of the following is not a nonlinear empirical response of the gamma ray log?

    <p>Linear response</p> Signup and view all the answers

    Which of the following is not a common use of porosity measurement?

    <p>Measuring permeability</p> Signup and view all the answers

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