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Interaction of CO₂ Storage with Subsurface Resources

1 April 2013
Storage

The objectives of the study were to: 1. Provide a comprehensive literature-based review of sub-surface exploitation activities that may affect storage operations, focussing in regions where large scale CCS development is currently focussed. 2. Provide a qualitative assessment of potential interactions and impacts using case study sedimentary basins. 3. Provide policy makers, regulators and developers with a checklist of potential sub surface resource interactions together with a preliminary explanation of possible impacts and management options 4. Where possible, provide case study examples of resource interaction issues have been successfully managed to enable multiple resource use

Technical Report

Induced Seismicity and its Implications for CO₂ Storage Risk

1 April 2013
Storage

This study would provide a review of the mechanisms that cause induced seismicity and their application to geological storage of CO₂. The study would involve a detailed literature review of recent and ongoing research in this topic and an analysis drawn from the findings. Importantly, the study would focus on induced seismicity that may be caused by CO₂ injection and storage. Owing to the paucity of large scale CO₂ storage projects, it may be necessary to use findings from analogues (for example, steam assisted gravity drainage of heavy oil, cyclic steam stimulation in heavy oil recovery or produced water re-injection (also at hydraulic fracturing conditions) in oil and gas field operations).

Technical Report

4th IEAGHG Network Meeting & Technical Workshop on High Temperature Solid Looping Cycles

1 March 2013
Capture
Event Proceedings

The IEAGHG High Temperature Solid Looping Cycles Network emerged from the preceding International Workshop on In-situ CO2 Removal (ISCR) and aims at bringing together researchers and developers of CO2 capture technologies that operate at high temperatures in cylindrical processes using either circulating or fixed beds of solids. Within the last few years drawbacks of the conventional amine-based CO2 capture systems have spurred interest in solid looping processes. Since then the technology has advanced considerably and several pilot plants have been build and brought into operation, e.g the 1.7MW pilot plant at La Pereda in Spain and the 1MW pilot plant at TU Darmstadt in Germany. Progress has been made in particular in carrier/sorbent development as well as in process design and integration. In Calcium Looping, for instance, the use of spent sorbent to produce cement has been demonstrated.

Technical Report

Key Messages for Communications Needs for Key Stakeholders

1 March 2013
Public Perception

The main deliverables from the study will be a series of Briefing Notes (BNs) covering the key information needs of key stakeholders, and a series of shorter Information Sheets (ISs) which provide a more basic introduction to the same topics. Note: the BN’s are the main deliverable of the study, and the ISs will be finalised and circulated after the technical report has been produced and disseminated. The study will work from, but not exclusively from, IEAGHG’s technical studies and reviews to identify the topics requiring BNs and the final BN’s will be reviewed by members of the Social Research Network, among others, as part of the peer review

Technical Report

Post-Combustion CO₂ Capture Scale-Up Study

1 February 2013
Capture

This study assess the technical challenges associated with full-scale design and operation of conventional post-combustion capture technologies for supercritical pulverized coal (SCPC) and natural gas fired combined cycle (NGCC) power plant. In this study technical and operational risks, performance gaps, technical challenges and sensitivity to several process variables are evaluated. Finally, a suggested scale-up strategy was developed with a focus on specific areas for development in future.

Technical Report

Building Knowledge for Environmental Assessment of CO₂ Storage: Controlled Releases of CO₂ and Natural Releases Workshop

1 January 2013
Storage

The main focus of this workshop was on controlled release projects with other sessions on environmental impact assessments and Regulations, monitoring, overburden/ mechanisms of migration from deep to shallow subsurface, leakage scenarios and communication of leakage. The third day of the meeting was spent at Yellowstone National Park, with part of the day observing formations created from natural CO2 seepage.

Technical Report

Summary Report of the 2nd Joint Network Meeting

1 January 2013
Event Proceedings
Storage

The Joint Network Meeting co-ordinates all four of the geological storage networks: Risk Assessment; Monitoring; Modelling; and Wellbore Integrity; and the Environmental Impacts of CO2 Storage Workshop Series. The 2nd IEAGHG Joint Storage Network meeting was held from the 19th to the 21st of June 2012 in Santa Fe, New Mexico, USA. It was hosted by Los Alamos National Laboratory and sponsored by Sandia National Laboratories, Los Alamos National Laboratory and Schlumberger Carbon Services. Sixty-eight delegates attended, representing 11 different countries. The aims of the meeting were to:   <ul> <li>Ensure the Networks are working in the most efficient way without duplication or gaps,</li> <li>Identify cross-cutting issues and their consequences; requiring input from more than one network,</li> <li>Set the framework for the future direction of the networks.</li> </ul>

Technical Report

Wellbore Integrity Network Summary Report

1 December 2012
Event Proceedings
Storage

The purpose of this report is to describe the Wellbore Integrity Network, summarise past meetings, outline key findings and identify current state of knowledge

Technical Report

Quantification Techniques for CO₂ Leakage

1 December 2012
Storage

On the whole, the primary focus of CO₂ storage monitoring techniques has been to monitor plume behaviour in storage formations, and to detect leakage to the biosphere. However, for emissions trading under the EU ETS and for national GHG inventory purposes it is necessary to quantify leaked emissions to the atmosphere should leakage occur, and there is a low level of understanding of the capabilities, accuracies and uncertainties of measurement techniques for this application.

Technical Report

Extraction of Formation Water from CO₂ Storage

1 December 2012
Storage

The main aim of the study would be to assess the global potential for extraction of formation waters as part of DSF storage projects. The study would comprise a comprehensive literature review, from published research and industrial analogues (e.g. brine disposal from petroleum and coal bed methane industries) to provide guidance on the following issues: Potential rates of brine extraction required for varying injection rates, across a typical range of DSF storage scenarios; Likely range in chemical composition of extracted brines; Options for disposal of brine, either surface or subsurface, and associated potential environmental impacts; Onshore and offshore considerations, including treatment required for different disposal options. Potential for utilisation of extracted brines, e.g. cooling water for power stations, geothermal energy, and assessment of associated environmental impacts; Potential for surface dissolution of CO₂ in extracted brine and re-injection into storage formations; Regulatory constraints, including for monitoring requirements, potential liability and water quality requirements for different uses. Potential economic implications for CO₂ storage of brine extraction and the various options for disposal/utilisation, to be illustrated by selected case studies.

Technical Report

Financial Mechanisms for Long-Term CO₂ Storage Liabilities

1 November 2012
Costs of CCUS
Storage

The study aimed to review current laws and emerging CCS specific regulations, in different regions of the world and under different legal frameworks, concentrating on long-term liability aspects. The primary work of the study was to investigate and assess the various potential financial mechanisms for supporting CO₂ liability, including an assessment of their applicability and practicality to all parties concerned, and provide recommendations based on the findings. As well as discussion on important issues such as when and how transfer of liability to the government should occur, and what these liabilities could be, the study focuses primarily on how this liability can be supported.

Technical Report

Summary Report of the 3rd IEAGHG SRN Meeting

1 October 2012
Event Proceedings
Public Perception

The overall aim of the Social Research Network is “to foster the conduct and dissemination of social science research related to CCS in order to improve understanding of public concerns as well as improve the understanding of the processes required for deploying projects”. The objectives of the Network are as follows:   <ul> <li>Ensure high quality social science research   <ul> <li>Elevate reputation and acceptance of social science research</li> <li>Consistency of research</li> </ul>   </li> <li>Identifying gaps</li> <li>Promoting a learning environment</li> <li>Building capacity within the Network</li> <li>Translate information from studies into tools or applied lessons   <ul> <li>Apply insights to actual projects</li> <li>Interact with technical experts</li> <li>Communicate results to policy makers</li> <li>Ensure application is grounded in theory</li> </ul>   </li> <li>Create a clearing house of social science research</li> </ul>

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