Topic outline

  • Coiled Tubing

    This course provides an overview of all significant aspects and considerations of coiled tubing for production technologists, production engineers, operation engineers, field technicians and reservoir engineers
    • Training Methodology & Objectives

      Training Methodology

      This Trainee-centered course includes the following training methodologies:-

      • Talking presentation Slides (PPT with audio)
      • Simulation & Animation
      • Exercises
      • Videos
      • Case Studies
      • Gamification (learning through games)
      • Quizzes, Pre-test & Post-test

      Course Objectives

      After completing the course, the employee will:-

      Apply and gain a comprehensive knowledge on coiled tubing Discuss coiled tubing technology, well control equipment and CT field applications
      Recognize early CT equipment and evolution of CT equipment Describe the control cabin of a modern CT unit, CT unit rigged down for highway transport
      Employ CT manufacturing and CT mechanical performance as well as identify CT plastic deformation points Carryout workover and completion application, common CT Workover application and selected workover applications
      Remove sand or fill from a wellbore and unload a well with nitrogen Illustrate fracturing, acidizing formation, drilling applications, non-directional wells and directional wells
      Describe wellbore hydraulics, wellbore fluids, overbalanced CTD and underbalanced CTD Overcome pipeline drag limitations and recognize permanent installations, offshore flowlines, velocity strings, control lines and nomenclature
      Employ buckling of coiled tubing, truck-mounted coiled tubing reel assembly, coiled tubing reel assembly, etc. Describe the schematic view of the small-scale test loop and the schematic for coiled tubing buckling in a vertical wellbore
      Configure postbuckling of pipe in a horizontal hole and identify sinusoidal buckling load Ensure force balance for segments in curved wellbores and helically buckled segments
      Discuss pressure-area force and overall force balance as well as carryout rigid tool calculations and permanent CT installations Identify externally upset reeled completion, spoolable completion and pressure barrier during completion installation
      • Course Description

        This E-Learning course is designed to provide participants with a detailed and up-to-date overview of coiled tubing. It covers the coiled tubing technology, well control equipment and CT field applications; the evolution of CT equipment; the control cabin of a modern CT unit and CT unit rigged down for highway transport; the CT manufacturing and CT mechanical performance; the workover and completion application and common CT workover application; the removal of sand or fill from a wellbore and unloading of a well with nitrogen; the fracturing, acidizing formation, drilling applications, non-directional wells and directional wells; the wellbore hydraulics, wellbore fluids, overbalanced CTD and underbalanced CTD
        During this course, participants will learn the overcoming of pipeline drag limitations and permanent installations, offshore flowlines, velocity strings, control lines and nomenclature; the buckling of coiled tubing, truck-mounted coiled tubing reel assembly, coiled tubing reel assembly, etc.; the schematic view of the small scale test loop and the schematic for coiled tubing buckling in a vertical wellbore; the postbuckled configuration of pipe in a horizontal hole and sinusoidal buckling load; the force balance for segments in curved wellbores and helically buckled segments; the pressure-area force and overall force balance; the rigid tool calculations and permanent CT installations; and the externally upset reeled completion, spoolable completion and pressure barrier during completion installation
        • Module 1 - Coiled Tubing Technology

          Contents:
            • What is CT
            • Key Elements of a CT Unit
            • Detailed Photos of CT Unit Key Elements
            • Well Control Equipment
            • CT Field Applications
            • History
            • CT Origin
            • Early CT Equipment
            • Evolution of CT Equipment
            • Photos of Various Offshore CT Operating Environments
            • The Business
            • Growth of The CT Service Fleet
            • New CT Markets / Field Applications
            • CT Service Providers
            • The Tubing
            • Raw Material for CT
            • CT Manufacturing
            • CT Manufacturing Performance
            • CT String Design
            • CT Inspection Tools
            • Repairs and Splicing
            • Addressing Offshore Weight and Space Limitations
            • Extending the CT Operating Envelope - Downhole Tractors
            • Alternatives to Carbon Steel CT
            • Workover & Completion Applications
            • Common CT Workover Applications
            • Overview of Selected Workover Applications
            • Removing Sand or Fill from a Wellbore
            • Unloading a Well with Nitrogen
            • Fracturing/Acidizing a Formation
            • Drilling Applications
            • Directional Wells
            • Wellbore Hydraulics and Wellbore Fluids
            • Overbalanced CTD
            • Underbalanced CTD
            • Pipeline Applications
            • Land
            • Offshore
            • Limitations
            • Overcoming Pipeline Drag Limitations
            • Permanent Installations
            • Offshore Flowlines
            • Velocity Strings
            • Control Lines
            • Nomenclature
            • Video:  How to Become Coiled Tubing Engineer
            • Module Quiz
          • Module 2 - Well Drilling & Coiled Tubing

            Contents:
              • Coiled Tubing
              • Buckling of Coiled Tubing 
              • Truck-Mounted Coiled Tubing Reel Assembly 
              • Coiled Tubing Reel Assembly 
              • Hydraulic Coiled Tubing Unit 
              • Cut-away View of the Injector Head Drive Assembly
              • Some Applications of Coiled Tubing 
              • Sidetrack Procedure 
              • Coil Tubing Drilling on the North Slope 
              • Advantages 
              • Disadvantages
              • Sinusoidal Buckling in a Horizontal Wellbore 
              • Coil Tubing Drilling on the North Slope
              • Sinusoidal Buckling Load 
              • Helical Buckling in a Horizontal Wellbore
              • General Equation
              • Buckling in Vertical Wellbores 
              • Helical Buckling in Vertical Wellbores
              • Buckling of 2” x 1.688” CT 
              • Video: Coiled Tubing Unit and Operation
            • Module 3 - Tubing Forces

              Contents:
                • Fundamental Questions 
                • General Force Balance 
                • Force Balance for Straight Segments 
                • Exercise
                • Force Balance for Segments in Curved Wellbores 
                • Force Balance for Helically Buckled Segments
                • Pressure-Area Force
                • Overall Force Balance 
                • Rigid Tool Calculations 
                • Video: How to Calculate Coil length
              • Module 4 - Permanent CT Installations

                Contents:
                  • Reeled Completions
                  • Candidate Selection
                  • Velocity Strings
                  • Reeled Production Conduit
                  • Pressure Barrier During Completion Installation
                  • Tubing Connectors
                  • Gas Lift Valves and Mandrels
                  • Exercise - 2
                  • Exercise - 3
                  • Spoolable Safety Valve
                  • Additional Reeled Completion Hardware
                  • Exercise – 4
                  • Offshore Flowlines
                  • CT Umbilicals (Control Lines)
                  • Casing and Tubing Repairs
                  • Module Quiz
                • Module 5 - High Pressure Operations

                  Contents:
                    • Planning Considerations for HPCT Operations 
                    • Equipment Selection for HPCT Operations 
                    • Anti-buckling Guide
                    • Pressure Control Equipment
                    • Primary Components
                    • Secondary Components
                    • Tertiary Components
                    • Injector Head Support and Work Platform
                    • Data Acquisition System (DAS)
                    • CT Diameter Measurement Tool
                    • Safety Issues and Minimizing Risk for HPCT Operations
                    • Operating with Tandem Strippers
                    • Preventing CT Collapse
                    • Pressure Testing
                    • CT String Management
                    • Module Quiz
                  • Module 6 - Case Studies

                    Contents:
                      • Case Study – 1: High Pressure Annular Coiled Tubing Fracturing
                      • Case Study – 2: Going Long - Overcoming Challenges in Completing 3600m Laterals
                      • Case Study – 3: Mechanical Analysis of Tubing String in Fracturing Operation
                      • Case Study – 4: Optimization of Coiled Tubing Nozazle for Sand Removal from Wellbore
                      • Case Study – 5: Concentric Coiled Tubing Technology for Well Cleaning & Evaluation in Shallow Horizontal Wells
                      • Case Study – 6: New Methods for Sand Cleanout in Deviated Wellbores Using Small Diameter Coiled Tubing 
                      • Case Study – 7: Horizontal Well Cleanup Operation Using Foam in Different Coiled Tubing/Annulus Diameter Ratios
                      • Case Study – 8: Real-time Viscosity Monitoring for Coiled Tubing Cleanouts
                      • Case Study – 9: Fishing a Coiled Tubing Disconnect
                      • Case Study – 10: Determining Position of Stuck Fish
                    • Post-Test

                      Kindly complete the post-test to assess your knowledge about the topic after the course.