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Introduction to Drilling, Completion and Workover Operations (DRI35)

    Description

    This course introduces the subject of drilling, completion and well workover operations, looking to build a solid foundation level knowledge of the practices, people and equipment used in these key operations.
    As no prior knowledge is assumed for this course, each concept is introduced in simple terms and then built upon to allow a comprehensive overview each of the three disciplines to be developed.
    The course is firmly rooted in ensuring that well integrity is maintained whilst working in each of these independent disciplines and the processes and technology that is discussed.
    How drilling, completion and workover fits into the life cycle of exploration, appraisal, development and eventual abandonment of an oilfield is discussed; as are the requirements for eventual well abandonment.

    Course Level: Foundation
    Instructor: Kevin Gray

    Designed for you, if you are...

    • New to the drilling industry or looking for an understanding of the industry before you join
    • A geoscientist or reservoir engineer looking to get better value from your interactions with the other disciplines
    • Someone who has a financial or logistics role associated with the upstream sector of the oil & gas industry
    • Working for a supplier to the upstream sector of the oil & gas industry

    How we build your confidence

    • Practical demonstrations of all the key principles using models and simulations in the classroom
    • Mixed, instructor-led delivery of theoretical content with blend of PowerPoint overview, whiteboard explanations of detail and class interactive exercises
    • A narrative that runs through the course where each topic is inter-related and built on the previous learnings
    • Extensive allowance for class-led questioning within the course delivery

    For some course locations a half day drilling rig visit will form part of the learning process.

    The benefits from attending

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

    • How to communicate easily with people involved in each discipline and to understand the acronyms and jargon that they use in everyday operations
    • How your role or your service fits into each process
    • A high level overview each upstream process
    • The equipment used during the drilling process and its sequence of use
    • How wells are kept safe, and how we protect people and the environment whilst drilling

    Topics

    • The drilling team: Who does what in the planning, mobilisation and drilling of a well?
    • The equipment used to drill a well, the rotary drilling rig itself and the specialist tools that are needed to steer the well, survey its position and inform us of the rocks that have been drilled
    • Directional drilling and well design, extended reach, high angle and multilateral drilling techniques
    • The drill string design for drilling and initial testing of the well
    • Geology, the actual rock itself as well as the pore pressure and fracture gradient, what these are and how they affect the most fundamental aspects of how we design and drill and complete a well
    • Electric line logging, formation evaluation while drilling (LWD) as well as surface mudlogging and coring as methods of understanding the geology
    • The drilling fluid, also known as mud, what this specialised highly engineered liquid does in the well and how we choose the properties it needs to be effective. How drilling fluids differ from completion and workover fluids and brines.
    • How we keep the reservoir oil and gas (as well as other fluids/gasses) in the rock while we drill, complete and workover the well, but how we release them when we want to produce them
    • Tubing, packers and completion equipment and the options for design and installation of this equipment
    • Wellheads, design and configuration for production and workover
    • Importance of overall well integrity from a design, installation and operational viewpoint
    • Overview of stimulation techniques and workover options including introduction to coiled tubing technology for Through Tubing Rotary Drilling as well as faster more efficient workovers


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