Introduction to Casing & Tubing Design Course for Non-Engineers

2-Day Course

The intended audience is for sales and supply personnel, non-engineers and operations personnel who are involved with ordering and supporting the OCTG industry sector.

This 2-day session covers introductory topics in casing and tubing design. The course is structured such that upon completion, participants should have better understanding of:

  • Casing and tubing design and applications

  • Why certain weights, grades, and connections are selected for use from a conceptual level

An overview of commonly used special requirements from API 5CT will also be covered along with recommended QA inspections.

Attendees are encouraged to bring in their own OCTG inventories and tubular issues (both past and present) to use for discussion.

Course Outline


Day 1 - OCTG Fundamentals & Design Principles

  • Introduction

    • OCTG introduction, service application and purpose

  • Fundamental Design & Application Principles

    • Burst, Collapse, and Axial Loading Fundamentals

    • Pressure Area Method & Free Body Diagrams (FBD)

    • Understanding Buckling

    • Understanding VME (Triaxial) Stress

    • Casing Design Standard Overview (as applicable vs Viking Standards)

  • Casing Loading & Design Considerations - The most common drilling load cases are presented.

    • Drilling Casing Load Cases

  • Performance Properties - Rating calculation methods for design factors per API 5C3.

    • OCTG Pipe

    • Internal Yield Pressure versus Ductile Rupture

    • High Collapse Casing

Day 2 - OCTG Materials, Connections, & QA

  • Connections

    • API

    • Proprietary (Premium and Semi-Premium)

    • Practical Considerations for Connection Selection

    • Connection Service Envelope

  • Material Aspects - material aspects of design aligned with API 5CT.

    • Material Testing

    • Chemistry & Heat Treatment

    • ISO 15156/NACE MR0175: Sour Service Design

    • Selecting Appropriate Corrosion Resistant Alloy

  • Quality Assurance/Quality Control Aspects

    • Overview of API 5CT & API 5B

    • OCTG Manufacturing Process

    • Inspection requirements of OCTG-Mill & Post Mill

    • Procurement Recommendations

    • Running & Installing OCTG-API RP 5C1

Our Instructors

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Advanced Casing & Tubing Design Course