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Cementing Technologies (DRI30)

    Description

    Cementing operations are critical for well life as they constitute the foundations of any gas or oil well. Well Integrity is compromised, unless efficient cementing operations are carried out in every casing job. Like the foundations of a house, cementing is the basis for an efficient well performance.

    Course Level: Skill
    Duration: 5 days
    Instructor: Cipriano Costa

    Designed for you, if you are...

    • Cementing operators and supervisors
    • Petroleum engineers
    • Production engineers
    • Drilling engineers
    • Completion engineers
    • Oil field technical staff

    How we build your confidence

    • Animation and videos on relevant issues
    • Examples of cement logs will be presented for interpretation
    • Daily recap sessions

    The benefits from attending

    By the end of the course you will feel confident in your understanding of:
    • Special cement systems
    • Calculating volumes of cement, mix water and additives
    • Critical parameters for any cementing operation
    • Displacement rates for effective mud removal
    • Selecting the proper additives based on well conditions
    • Selecting casing hardware for successful cementing operations
    • Interpretation of Cement Bond Logs

    Topics

    Day 1
    • Reasons for cementing an oil / gas / injection well
    • Problems caused by poor cement jobs
    • Road map to a successful cement job
    • Types of cements and characteristics of each one
    • Preparations for cementing a well
    • Major API cement classes
    • Planning and pre job checks for cementing
    • Bulk transportation and storing of cement
    • Cement mixing and pumping equipment
    • Safety requirement for cementing units

    Day 2
    • Different types and grades of casing
    • Liners and tie-backs
    • Accessories for a good casing cementation
    • Mechanic and hydraulic stage tools
    • Centralizers
    • Floating equipment
    • Surface equipment
    • Cementing head and plugs
    • Cement slurry characteristics
    • Cement hydration process
    • The effects of pressure and temperature on cement hydration
    • Slurry rheology
    • Flow regimes
    • Main additives for oil well cementing

    Day 3
    • The effect of additives
    • Contaminants and their effect
    • Influences on good cement placement
    • The importance of a good mud selection
    • Wellbore fluid displacement and mud cake removal
    • Effects of mud contamination on slurry strength
    • Cement lab testing procedures and terminology
    • Cement lab testing equipment
    • Secondary cementing techniques
    • Squeeze cementing
    • Balanced cement plugs
    • Multi stage cementing
    • Lost circulation cement job
    • Liner cementing

    Day 4
    • Sustained Casing Pressure (SAP)
    • Gas migration
    • Flow regimes
    • Cementing HPHT wells
    • Features required for HPHT slurries
    • Gas migration on HPHT wells
    • Kick prevention
    • Primary cementing calculations

    Day 5
    • Cement evaluation procedures
    • CBL / VDL examples
    • Temperature logs
    • Ultrasonic logs


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