Aapg Quiz: Shale Gas, Part 3 Of 5

10 Questions | Total Attempts: 35

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Aapg Quiz: Shale Gas, Part 3 Of 5

Please read the article below to answer the ten questions. My Source Rock is Now My Reservoir - Geologic and Petrophysical Characterization of Shale-Gas Reservoirs http://www. Searchanddiscovery. Com/documents/2012/80231passey/ndx_passey. Pdf Would you like to know more? Sign up and become a member for your best strategy for Petroleum Education: http://www. Aapg. Org/education/


Questions and Answers
  • 1. 
    What is the fundamental building block of shale gas reservoirs?
    • A. 

      Kerogen

    • B. 

      Organic-rich Rocks

    • C. 

      Parasequence

    • D. 

      Total Organic Carbon

  • 2. 
    The marine realm includes three physiographic settings that accumulate significant organic-matter-rich rocks: constructional shelf margin, platform/ramp, and:
    • A. 

      Coastal Shelf

    • B. 

      Coastal Slope/Basin

    • C. 

      Continental Shelf

    • D. 

      Continental Slope/Basin

  • 3. 
    Kerogen occupies a much larger volume percent indicated by the TOC weight percent because of the ___________ of the organic matter compared to that of common rock-forming minerals.
    • A. 

      Low Grain Density

    • B. 

      High Grain Density

    • C. 

      Low Weight Percent

    • D. 

      High Weight Percent

  • 4. 
    Many currently producing shale-gas reservoirs are overmature oil-prone source rocks containing kerogen of: 
    • A. 

      Type I

    • B. 

      Type II

    • C. 

      Type III

    • D. 

      Type I or Type II

  • 5. 
    Which of the main control variables for organic-richness utilizes solar energy?
    • A. 

      Accommodation

    • B. 

      Destruction

    • C. 

      Dilution

    • D. 

      Production

  • 6. 
    Maturity (Ro %) includes vitrinite reflectance equivalent, biomarkers, and:
    • A. 

      Carbon Isotopes

    • B. 

      Total Organic Carbon

    • C. 

      Organic Matter Type

    • D. 

      Organic Pores

  • 7. 
    In which diameter poor space is the there nearly equal amounts of adsorbed gas fraction to free gas?
    • A. 

      2nm

    • B. 

      4nm

    • C. 

      20nm

    • D. 

      40nm

  • 8. 
    Many geochemical and petrophysical techniques developed to characterize organic-rich source rocks can be applied, without modification, in the oil-generation window:
    • A. 

      Ro < 0.5

    • B. 

      Ro = 0.5 - 1.0

    • C. 

      Ro = 1.1 - 4.0

    • D. 

      Ro > 4.0

  • 9. 
    Pore spaces of kerogen vary in size from:
    • A. 

      0.1 - 10 nm

    • B. 

      10 - 100 nm

    • C. 

      100 - 100,000 nm

    • D. 

      100,000 nm or greater

  • 10. 
    Free gas is likely to be largely in:
    • A. 

      GRI Porosity

    • B. 

      Organic-Matter Porosity

    • C. 

      Total Porosity

    • D. 

      Clay Porosity

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