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Tertiary Recovery

  • Cyclic Steam Injection

    • Steam is injected into the producing well

    • A well is shut off for several days allowing heat to uniformly distribute and thin the oil

    • The newly thinned oil is produced

  • Steam Drive

    • Steam is injected into injection wells and the oil is pushed towards production wells

    • Similar effect as water or gas injection

  • In situ Combustion

    • Air is injected into the well

    • Air ignites or is ignited (depends on temperature) an composition

    • The resulting heat and gases increase the pressure and increase the viscosity of the oil

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