Carbon Capture and Storage (CCS) project risks and how to manage them

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Business context

Governments, regulators, and commercial parties are pursuing CO2 storage opportunities as it becomes increasingly clear that CCS is an important contribution to meet the Paris Agreement targets on Climate Change. For a successful CCS project, various technical, operational, economical and environmental risks and associated stakeholders need to be managed.

In this course methods for managing risk in CCS projects are addressed with the focus on the injection and storage part, but also how to assess the storage capacity of a potential CO2 storage reservoir, model framing techniques, well injectivity issues related to CO2 injection. The potential leak paths will be discussed, such as reservoir seals, leakage along faults and aspects of well integrity. Finally the design of a monitoring programme will be discussed.

The course will be supported by various case studies. 

Who should attend

All surface and subsurface engineers, such as facility engineers, geologists, geophysicists, reservoir engineers, petro-physicists, production technologists/engineers, well engineers and geomechanical specialists. Also, (sub)surface team leads, project managers, business opportunity managers, decision executives, and technical risk assessment & assurance specialists will benefit from this training as it provides a common framework and workflow to develop a CCS project.

Note: for each class it is highly recommended that a mix of disciplines mentioned above are represented to facilitate discussions from different perspectives.

Course content

• CCS in an international context
• Site selection and site characterization
• Storage capacity assessment
• Injectivity assessment
• Containment assessment
• Measurement, Monitoring & Verification

On completion of this VILT course, participants will be able to:

• Understand the functions and associated components required to capture, transport and store CO2 in subsurface aquifers and (depleted) hydrocarbon reservoirs
• Follow a systematic and integrated approach to risk identification and assessment for CO2 storage projects (maturation)
• Understand the requirements (physics modelling) and uncertainties to assess the CO2 storage capacity of a selected site.
• Understand the issues, data and methods to assess CO2 well injectivity and well integrity
• Identify the leakage pathways of a selected storage site, and understand the assessment methods and associated uncertainties.
• How to design a monitoring program 

Learning, methods and tools

This VILT course is built around cases in which teams work to identify and assess CO2 storage site issues using a systematic approach learned in this course. In addition, exercises are used to practise the aspects of the CCS risk assessment process. The course provides a venue for discussion and sharing of good practices as well as opportunities to practise multi-discipline co-operation and facilitation.

Participants are encouraged to bring their own work issues and challenges and seek advice from the expert course leaders and other participants about all aspects of CCS.

Day by day programme

Day 1 : CCS system & project maturation

• Course Overview,  Introductions
• International context (organisations, research efforts, demo projects, findings)
• Bring your own case (understand participants learning needs)
• CCS system overview
• Project maturation milestones, risk management, etc
• Introduction Case study 1

Day 2: Site selection & characterisation

• Discuss Case study 1
• Reservoir modelling methodology
• Model framing for a CCS project
• Tools to assess the container
• The size of the container
• Introduction Case study 2

Day 3: Injectivity assessment

• Discuss Case study 2
• Design of new injection CO2 wells
• Well Injectivity for CO2 & phase behaviour
• Containment assessment overview
• Introduction Case study 3

Day 4: Containment Assessment

• Discuss Case study 3
• Containment: Leakage along well paths
• Well integrity assessment
• Leakage through the top seal
• Fault reactivation & induced seismicity
• Exercise: Identify containment related risks & issues

Day 5: MMV & Integration

• Discuss Exercise
• What type of monitoring is needed
• Monitoring objectives & definitions
• Design the monitoring programme
• Integrated risk assessment
• Course Wrap-up

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