Description

Designed for you, if you are...

• A project manager overseeing a CCS development project and its geomechanics deliverables
• A reservoir engineer, geologist, geophysicist, geomechanics specialist, or other technical specialist responsible for or contributing to the containment risk assessment of a CCS project
• A CCS project engineer involved in the planning, design, or execution of a CCS project
• An environmental risk assessor responsible for evaluating environmental risks associated with a CCS project
• A regulatory compliance officer responsible for ensuring compliance with applicable regulations and permitting requirements

How we build your confidence

• A course designed with clear learning objectives for each module, supported by comprehensive and descriptive handouts
• Examples, case studies and videos as appropriate for each module
• Discussions, quizzes and individual or group exercises for each module
• A structured template Word document is provided as part of the training to kick-start the ISO certification process for your CCS project

The benefits from attending

• The regulatory requirements related to CO2 containment that are based on – or similar to – the ISO standard for CCS projects, such as EU Directive 2009/31/EC on CCS
• Detailed geological and geomechanical characterisation requirements covering geometrical aspects, initial conditions, and formation properties
• The geomechanical fundamentals of stress and strain (deformation), thermo-elasticity theory, formation failure mechanisms, and their modelling parameters
• Field data acquisition methods and rock mechanical experiments to constrain modelling parameters and their associated uncertainties.
• Developing modelling scenarios (and work plan) underpinning the containment risk assessment, covering geological and geomechanical uncertainties as well as possible injection scenarios to mitigate containment and other project risks
• Detailed seal and well integrity evaluation requirements using geomechanical principles and risk assessment methodologies
• Detailed requirements on characterisation and assessment of fault stability and potential induced seismicity risks
• Application of uncertainty and sensitivity analysis techniques to establish safe operating limits for CCS projects
• How to produce detailed documented evidence covering subsurface characterisation and risk assessment results in compliance with ISO 27914:2017

Topics

• Introductions, course overview, objectives
• Project risk identification
• Risk assessment workflow
• Geomechanical & seismicity characterisation

• Linear-elasticity theory
• Recoverable & irrecoverable deformations
• Elasticity parameters from experiments
• Shear failure experiments
• Tensile strength

• Total & effective stress in 3 directions
• Pore pressure
• Geological data
• Pressure-depth plot
• Leak-off Testing
• Intermediate total principal stress
• In-situ stress documentation

• Formation properties from logs
• Document geomechanical properties
• Heat flow
• Thermal expansion

• Strategies for CO2 storage projects
• Building a geomechanical model
• Uncertainties & scenarios

• Fault reactivation
• Reservoir offset
• Modelling options

• Stress & equilibrium of forces
• Stress in two dimensions
• Mohr’s circle
• Deformation & strain

• Stress around the borehole
• Impact of reservoir depletion
• Injection in depleted reservoir
• Injection cold CO2 in depleted reservoir

• Compaction & subsidence
• Well failure
• Shear & tensile failure

• Weakening & stress drop
• Predictive capability
• Workshop geomechanical risk identification