• Class and Course

    Acidizing Sandstones and Carbonates

    To introduce the basic principles of matrix acidizing treatments in sandstones and carbonates, provide information on candidate selection for matrix treatments, and understand the importance of formation properties in the design of the treatment and fluid selection.

    The chemistry of acidizing is discussed with emphasis on potential damage due to by-products precipitation. Formation damage is discussed and their mechanisms are identified. Post-treatment production improvement is estimated. Rules for Treatment Design are applied and Operational Procedures are recommended.

    Day 1
    • Welcome and Introduction
    • Candidate selection for matrix treatments
    • Damage mechanisms
    Day 2
    • Skin effect
    • Comparison of objectives of matrix treatments in carbonates and sandstones
    • Chemistry of carbonate acidizing
    Day 3
    • Fluid selection for carbonate acidizing
    • Chemistry of sandstone acidizing
    • Fluids selection for sandstone acidizing
    Day 4
    • Additives used in acidizing and their functions
    • Placement techniques
    • Laboratory testing
    Day 5
    • Job design
    • Open discussion
    • Problem solving

    Engineers, geoscientists and other field personnel responsible for the design, execution or supervision of matrix treatments

    Engineering, technology or other science related degree

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