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Oil & Gas Training
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    Oil and Gas Training Courses SLB NEXT

    Casing Design - RILS

    This course will be taught remotely, it is recommended to deliver it in intervals of 4 hrs per day over a 10 day period, however it may also be delivered in less amount of days in longer intervals per day.

    This course will focus on casing design, both from an engineering and an operation perspective.  Design concepts will be covered for a wide range of straightforward, as well as hostile environments.  The course will examine the nomenclature of casing design, manufacturing processes, material properties and material selection.  The theory of burst, collapse, and axial loading will be discussed, along with design policies and procedures.  Important API specifications and other industry standards will be discussed in order for the participants to become familiar with these documents.  Connection and special cases, including sour service, will be covered.  Casing setting depths and depth design concepts will also be covered in detail. 

    This course will be delivered in a class driven process.  The instructor, along with the participants, will team together to set the pace of learning.  Lectures interspersed with classroom discussion and exercises will be used to ensure understanding and integration of concepts needed to evaluate potential service requirements, give recommendations, and select the appropriate tubulars. The exact schedule and depth of content covered during the course will be tailored to the interest and needs of the audience and may deviate from what is shown in the daily schedule.

    Steel, Manufacturing, API, and ISO

    • Material and mechanical properties of steel
    • API and ISO ratings and formulas
    • Tubular testing
    • Oil country tubular goods manufacturing

    Day one and two of this course will begin with discussions of material and mechanical properties of steel, along with stress-strain and deformation that will lay the ground work for an understanding of the limitations of published tubular ratings.  Participants will get a chance to learn about API and ISO rating and tubular strength formulas.  Specific API and ISO topics that will be covered include API yield stress, Barlow Equation for tubular internal yield, casing thread leak resistance, collapse formulas, and tension.  The day will end with participants learning about tubular manufacturing and testing.


    Cont. Steel, Manufacturing, API, and ISO

    • Material and mechanical properties of steel
    • API and ISO ratings and formulas
    • Tubular testing
    • Oil country tubular goods manufacturing

    Day one and two of this course will begin with discussions of material and mechanical properties of steel, along with stress-strain and deformation that will lay the ground work for an understanding of the limitations of published tubular ratings.  Participants will get a chance to learn about API and ISO rating and tubular strength formulas.  Specific API and ISO topics that will be covered include API yield stress, Barlow Equation for tubular internal yield, casing thread leak resistance, collapse formulas, and tension.  The day will end with participants learning about tubular manufacturing and testing.


    Connections, Sulfide Stress Cracking, and Corrosion Resistant Material Selection

    • API and proprietary connections
    • API thread leak resistance
    • Sour service considerations
    • Corrosion resistant alloy (CRA) selection

    Day three and four will cover tubular connections and sour service conditions.  Specific topics of API thread forms, marking and make-up considerations will be discussed in detail. Proprietary thread types will also be discussed and students will get an opportunity to learn about the advantages and benefits of different thread form styles. Hydrogen sulfide stress cracking mechanism will be explored. Corrosion, its effect on tubulars and guidelines for selection of appropriate materials for casing under different corrosive conditions will be explained. 


    Cont. Connections, Sulfide Stress Cracking, and Corrosion Resistant Material Selection

    • API and proprietary connections
    • API thread leak resistance
    • Sour service considerations
    • Corrosion resistant alloy (CRA) selection

    Day three and four will cover tubular connections and sour service conditions.  Specific topics of API thread forms, marking and make-up considerations will be discussed in detail. Proprietary thread types will also be discussed and students will get an opportunity to learn about the advantages and benefits of different thread form styles. Hydrogen sulfide stress cracking mechanism will be explored. Corrosion, its effect on tubulars and guidelines for selection of appropriate materials for casing under different corrosive conditions will be explained. 


    Triaxial Stress and Setting Depth Determination

    • Design principals and factors
    • Load concepts
    • Triaxial stress
    • Casing wear
    • Setting depth determination

    On days five and six, will cover the concept of triaxial stress of various load states which casing may be exposed. Design factors and comparison between uni-axial and triaxial stress will be evaluated. Buckling of tubulars will be discussed, which will help as participants learn about effects of temperature change on tubulars. Casing wear mechanisms and some suggestions for management and design for effects of wear will be presented. Casing setting depth needed for well control integrity will finish the day. 


    Cont. Triaxial Stress and Setting Depth Determination

    • Design principals and factors
    • Load concepts
    • Triaxial stress
    • Casing wear
    • Setting depth determination

    On days five and six, will cover the concept of triaxial stress of various load states which casing may be exposed. Design factors and comparison between uni-axial and triaxial stress will be evaluated. Buckling of tubulars will be discussed, which will help as participants learn about effects of temperature change on tubulars. Casing wear mechanisms and some suggestions for management and design for effects of wear will be presented. Casing setting depth needed for well control integrity will finish the day. 


    Service Life, Load Cases, and Storage

    • Load cases
    • Base case
    • Procurement
    • Inspection
    • Running procedures

    Service life models and load cases will be the focus of days seven and eight.  Load cases, such as axial, burst, and collapse will be explained and load estimates for different situations will be evaluated. Base case determination from which load changes are evaluated will be covered.  Participants will learn about the planning, specifications, and quality assurance of procurement.  The day will end with a discussion over inspection types, marking, and suggestions on running practices.


    Cont. Service Life, Load Cases, and Storage

    • Load cases
    • Base case
    • Procurement
    • Inspection
    • Running procedures

    Service life models and load cases will be the focus of days seven and eight.  Load cases, such as axial, burst, and collapse will be explained and load estimates for different situations will be evaluated. Base case determination from which load changes are evaluated will be covered.  Participants will learn about the planning, specifications, and quality assurance of procurement.  The day will end with a discussion over inspection types, marking, and suggestions on running practices.


    Tubular Design Software and Comprehensive Casing Design

    • Tubular design software
    • Final comprehensive casing design project

    The last two days of this course participants will learn about tubular design software and some of the ways which it can be used in well planning and casing design.  The course will end with the participants breaking into teams and working on a final comprehensive casing design project.


    Cont. Tubular Design Software and Comprehensive Casing Design

    • Tubular design software
    • Final comprehensive casing design project

    The last two days of this course participants will learn about tubular design software and some of the ways which it can be used in well planning and casing design.  The course will end with the participants breaking into teams and working on a final comprehensive casing design project.


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