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Naturally Fractured Reservoirs (GEO55)

    Description

    This course introduces fundamental geological and engineering concepts, methodologies, and advanced technologies used to characterise, evaluate and manage naturally fractured reservoirs (NFR), with their inherent limitations and constraints. It helps answering and understanding questions related to fractured reservoir performance during drilling, production, stimulation, depletion, and long-term field development strategies: What factors control fracture behaviour under activities of drilling and reservoir operations? How do natural fractures impact reservoir development and optimisation plans? What are the best practices to develop and optimise those fractured reservoirs to enhance their oil and gas recovery?
    Case studies will demonstrate integrated geologic, engineering, and data driven approaches in developing effective economical reservoir management strategies across various reservoir types.

    Course Level: Advanced
    Duration: 5 days
    Instructor: Manhal Sirat

    Designed for you, if you are...

    • A geoscientist or engineer interested in a multi-disciplinary approach with basic geological and reservoir engineering experience

    How we build your confidence

    • Theoretical concepts illustrated during individual sessions are accompanied by working on practical problems to ensure a thorough understanding of the principles and procedures
    • Hands-on experience by solving classical structural geology tasks

    The benefits from attending

    By the end of the course you will feel confident in your understanding of:
    • Recognition, characterisation and prediction of subsurface natural fracture occurrence with their attributes from cores, well logs, seismic and drilling data
    • Fractured rock properties critical to reservoir performance assessment
    • Fractures sensitivity and response to in-situ stresses, drilling, hydraulic fracturing, and production activities
    • Design and analysis of pressure transient tests
    • Reservoir performance evaluation
    • The most appropriate fluid-flow numerical simulation modelling
    • Application of coupled geomechanics/fluid-flow behaviour
    • The impact of natural fractures on hydraulic fracture stimulation
    • Leveraging machine learning and data analytics for natural fracture reservoir
    • Practical insights on Digital Twin technology and Smart Microsensors implementation in NFR management
    • Hydraulic fracturing and natural fracture interactions in unconventional reservoirs
    • Fractured reservoirs and Enhanced Oil Recovery (EOR)
    • Carbon Capture, Utilisation, and Storage (CCUS) considerations in fractured reservoirs
    • Best industry practices, regulatory insights, and sustainability considerations in fractured reservoir management

    Topics

    • Introduction: fractures and NFR terminology and attributes
    • Workflow for characterisation using both static and dynamic data
    • Recognition and characterisation of fractures from well logs, cores to seismic and drilling data
    • Fracture types, faults, seals and kinematics
    • Stress and strain and fracture mechanics
    • Interaction of natural fractures with in-situ stresses and operational impacts
    • NFRs and fracture flow
    • Building conceptual models for NFR
    • Conceptual and digital modelling of NFR; discrete, continuous and geomechanical approaches
    • Impact of fractures on flow behaviour; reservoir permeability, anisotropy, drainage area and water-flood sweep efficiency
    • Digital Twin and machine learning for fracture modelling and reservoir optimisation
    • Hydraulic fracturing strategies and the interaction with natural fractures
    • Carbon Capture and Storage (CCS) in NFR
    • Geomechanical integrated approach
    • 1D and 3D MEM (Mechanical Earth Model)
    • Implications and case studies


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