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 (A)</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 (A)</p> Signup and view all the answers

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

<p>Gamma ray log (D)</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 (A)</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 (D)</p> Signup and view all the answers

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

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

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