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Well Completion and Workover (DRI23)

    Description

    This course is conceived as a fast tour through well completion and workover required to keep your well safe and economical. The course offers a comprehensive overview of past and actual downhole tools such as packers, valves and intelligent completion equipment. The second part of the course focuses on the workover equipment and proper planning of such activities.

    Course Level: Advanced
    Instructor: Catalin Teodoriu

    Designed for you, if you are...

    • A professional with a background in petroleum engineering, especially a driller, production, completion or petroleum engineer, and focussed on well completion design and workover

    Basic knowledge of well drilling and drilling equipment are the main requirements.

    How we build your confidence

    Participants are going to learn about the design options to meet deliverability, safety and integrity requirements in completions and workover operations. The main components of a well are described and analysed by their function and design criteria. The workover systems and procedures are presented and discussed. Case studies will be provided and a class project will help the participants understand the hands-on aspects of completions and workovers. Finally a short overview of selected case studies is given.

    The benefits from attending

    By the end of the course you will feel confident in your understanding of:

    • The need for well intervention (WI)
    • The difference in WI and workover (WO)
    • The need of wire line operations
    • The workover program
    • The interdependency between well integrity and well completion design
    • A tubing design schema and tubing mechanical properties
    • How to optimise the workover job

    Topics

    • Well completion: types of wells, completion functions, types of completion
    • Mechanical aspects of well testing
    • Cased hole logging equipment and application
    • Perforation methods and perforating equipment
    • Packers: function, application, proper selection
    • Apply the best perforation technique
    • Determine the minimum number of downhole tools
    • Well site preparation for WO&WI
    • Well handover/takeover before/after intervention
    • Workover equipment: wireline, snubbing unit, coil tubing
    • Completion and workover design and execution
    • Includes water/gas shut off, horizon separation, etc.
    • Completion equipment (SSD, SSSV, mandrels, locks, etc.)
    • Intelligent completion equipment
    • Tubing string design (dimension, materials, connections,..) based on pressure, temp. operating conditions, media, safety requirements
    • Well quality and integrity
    • Safety aspects of well design
    • Wellheads, trees, subsurface safety valves and flow control equipment
    • Material selection guidelines based on corrosion and erosion conditions
    • HPHT and horizontal well completions
    • Understand the principles of various downhole tools
    • Interpret torque and drag and determine what factors will affect them
    • Design your tubing string for given well applications
    • Tubing loads and their constraints


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