Natural Gas Plants Overview
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Questions and Answers

What is the predominant constituent of natural gas?

  • Propane
  • Butane
  • Methane (correct)
  • Ethane

    • Which of the following is NOT a contaminant found in natural gas?

  • Oxygen (correct)
  • Helium
  • Carbon Dioxide
  • Nitrogen

    • What is the main purpose of a natural gas plant in relation to the raw gas from a well?

  • Remove impurities (correct)
  • Cool it for transportation
  • Increase methane content
  • Convert it into gasoline

    • Which of the following is a saleable by-product of natural gas plants?

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

    What type of natural gas is sweet gas?

    <p>Gas with low sulfur content</p> Signup and view all the answers

    What is the purpose of re-pressurizing natural gas in a plant?

    <p>For transportation purposes</p> Signup and view all the answers

    What is the main purpose of the Claus process described in the text?

    <p>To recover sulfur from feed gases</p> Signup and view all the answers

    In gas treating dehydration, what is typically used in absorption units similar to scrubbers?

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

    How is hydrocarbon recovery usually achieved in modern plants according to the text?

    <p>By cryogenic turboexpander followed by a fractionating process</p> Signup and view all the answers

    Which gas removal process uses cryogenic distillation similar to hydrocarbons according to the text?

    <p>Nitrogen removal</p> Signup and view all the answers

    What is the main purpose of liquefaction in natural gas processing?

    <p>To produce liquefied natural gas (LNG)</p> Signup and view all the answers

    What refrigerant is usually used in the sub-cooling stage of the liquefaction process?

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

    What is the purpose of the dehydration process in natural gas production?

    <p>To remove water through contact with a glycol mixture</p> Signup and view all the answers

    Which type of compressor is often used for natural gas gathering systems?

    <p>Centrifugal compressors</p> Signup and view all the answers

    Why are gases like CO2 and H2S removed in the Acid Gas Removal stage of natural gas processing?

    <p>To prevent corrosive damage to equipment and pipelines</p> Signup and view all the answers

    What is the purpose of sulfur recovery using the Claus process?

    <p>To recover sulfur from an H2S rich gas stream</p> Signup and view all the answers

    Which stage of natural gas production involves the absorption of hydrogen sulfide and carbon dioxide by a solution of amine?

    <p>Acid Gas Removal</p> Signup and view all the answers

    What is the main purpose of stabilization in natural gas production?

    <p>To increase the pressure of gases for sales gas</p> Signup and view all the answers

    What is the purpose of absorption in the Acid Gas Removal process?

    <p>To absorb hydrogen sulfide and carbon dioxide using amine solutions</p> Signup and view all the answers

    What drives the compressors used in natural gas production?

    <p>Electrical motors or internal combustion engines</p> Signup and view all the answers

    Which process typically follows compression in a natural gas production facility?

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

    What is a characteristic of screw compressors used in natural gas gathering systems?

    <p>Typically used for reservoir pressure maintenance gas injection</p> Signup and view all the answers

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