Discovering Hydraulic Fracturing
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Questions and Answers

Which substance makes up the majority of fracking fluid?

  • Propargyl alcohol
  • Methanol
  • Water (correct)
  • Sand

    • What is the purpose of reinforcing the hole with steel and cement casings during the fracking process?

  • To fracture the fuel-rich rock
  • To increase oil flow from the well
  • To prevent contamination of groundwater sources (correct)
  • To reduce the viscosity of the fracking fluid

    • What are the three key changes made to the fracking process in the 20th and 21st centuries?

  • Forcing plastic balls down into the hole, using fracking fluid under high pressure, and pumping water back up to the surface
  • Lowering a torpedo into the oil well, detonating it to shatter surrounding rock, and pumping water into the well
  • Replacing torpedoes with highly pressurized water units, using slickwater, and increasing popularity of horizontal drilling (correct)
  • Using explosives in oil wells, mixing water with sand and chemicals, and pumping water into the well

    • Which of the following is the main method used to extract shale gas?

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

    Which two states in the US have the highest number of fracking wells?

    <p>Texas and North Dakota</p> Signup and view all the answers

    What percentage of US natural gas production is accounted for by hydraulic fracturing?

    <p>67%</p> Signup and view all the answers

    What are the main environmental concerns associated with hydraulic fracking?

    <p>Groundwater contamination and earthquakes</p> Signup and view all the answers

    Which of the following is the correct definition of hydraulic fracturing?

    <p>The process of extracting oil and natural gas from impermeable rock using a mixture of water, sand, and chemicals</p> Signup and view all the answers

    Which of the following is true about fossil fuels?

    <p>They are composed of coal, oil, natural gas, and derived fuels</p> Signup and view all the answers

    Which of the following terms is used interchangeably with hydraulic fracturing?

    <p>All of the above</p> Signup and view all the answers

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