Formation Damage Susceptible to Surfactant Treatment MCQ

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• Which of the following is incorrect in the context of cationic surfactant used in the oil and gas industry?
  ক

  Most cationic surfactant oil wet sandstone

  খ

  Surfactants should always swell and shrink

  গ

  Most cationic surfactant stabilizes water in oil emulsions

  ঘ

  Organic corrosion inhibitors are usually cationic surfactants
• Emulsion – blocking and water – blocking is usually not a problem in _____ reservoirs except during acidizing.
  ক

  Sandstone

  খ

  Shale

  গ

  Evaporites

  ঘ

  Limestone and Dolomite
• Which of the following is incorrect in the context of surfactant used in the oil and gas industry?
  ক

  Most cationic surfactant oil wet sandstone

  খ

  Most cationic surfactant oil wet sandstone

  গ

  Most cationic surfactant destabilizes water in oil emulsions

  ঘ

  Organic corrosion inhibitors are usually cationic surfactants
• Corrosion inhibitors and surfactants are generally cationic surfactants.
  ক

  True

  খ

  False
• Oil wetting a normally water-wet formation can reduce the permeability by an average of 40%.
  ক

  True

  খ

  False