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Technology Collaboration Programme by IEA

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Discover the latest advances carbon capture and storage research

Technical Review

What Have We Learned from CCS Demonstrations

  • 1 November 2009
  • Industry Insights
  • Storage

The IEA Greenhouse Gas R&D Programme (IEA GHG) has undertaken an assessment of the learning that is being provided by operational, large-scale, pilot, demonstration and commercial CCS projects around the world. This was undertaken by questionnaire and analysis of the responses. From the analysis of the responses, key themes, learning points and areas for beneficial collaboration are identified. The extent of coverage of projects is summarised in terms of geological properties and monitoring techniques. From this initial analysis, a number of key learning areas have been identified that also warrant further investigation.  These include: <!-- wp:acf/columns {"name":"acf/columns","data":{"padding_top":"1","_padding_top":"field_columns_fields_padding_top","padding_bottom":"1","_padding_bottom":"field_columns_fields_padding_bottom","margin_top":"0","_margin_top":"field_columns_fields_margin_top","margin_bottom":"0","_margin_bottom":"field_columns_fields_margin_bottom"},"mode":"preview"} --> <!-- wp:acf/column-content {"name":"acf/column-content","mode":"preview"} --> <!-- wp:list --><ul> <!-- wp:list-item --><!-- wp:list-item --><li>Effectiveness of various monitoring techniques</li><!-- /wp:list-item --><!-- /wp:list-item --> <!-- wp:list-item --><!-- wp:list-item --><li>Injectivity – prediction, restoration and enhancement</li><!-- /wp:list-item --><!-- /wp:list-item --> <!-- wp:list-item --><!-- wp:list-item --><li>Design to avoid hydrate formation</li><!-- /wp:list-item --><!-- /wp:list-item --> <!-- wp:list-item --><!-- wp:list-item --><li>Performance of materials in CO<sub>2</sub> environments</li><!-- /wp:list-item --><!-- /wp:list-item --> <!-- wp:list-item --><!-- wp:list-item --><li>Scaling up capture train size</li><!-- /wp:list-item --><!-- /wp:list-item --> <!-- wp:list-item --><!-- wp:list-item --><li>Wells – designing, placing, and monitoring cementation</li><!-- /wp:list-item --><!-- /wp:list-item --> </ul><!-- /wp:list --> <!-- /wp:acf/column-content --> <!-- /wp:acf/columns -->

Technical Report

4th Meeting of the Risk Assessment Network

  • 1 July 2009
  • Event Proceedings
  • Storage

The fourth IEA GHG Risk Assessment Network Meeting was held on the 16th—17th April 2009 in Melbourne, Australia, and hosted by CO2CRC. Cliff Kavonic of Victorian Department of Primary Industries gave the official welcome. The Victorian Government was that day publishing a report by Geoscience Victoria on the storage potential in the Gippsland basin in south Victoria. The fifty six attendees enjoyed the discussions based around the six sessions. These were on reports from other initiatives, leakage impacts, combining monitoring with modelling and risk assessment, insurance and risk, risk communication, and updates from real projects.

Technical Report

Long Term Integrity of CO2 Storage – Well Abandonment

  • 1 July 2009
  • Storage

This report focuses on potential hazards to geological storage of CO2 related to previously abandoned deep oil and gas wells. As many prospective CO2 storage projects will be situated in mature sedimentary basins, these operations need to accommodate previously drilled and abandoned wells. The current study aims to provide a high order evaluation of abandoned wells and their suitability to CO2 storage operations. To this purpose an overview of the current state of knowledge on potential degradation mechanisms of typical well materials (i.e. cement and steel) is presented. Several case studies are described, illustrating some typical aspects associated with abandoned wells in the context of geological storage of CO2. Furthermore, a geographical overview of numerous well abandonment regulations is provided, reflecting significant differences in regulatory demands around the world. Moreover, both abandonment regulations and practices historically gradually developed to the present high standards. As a consequence, especially older wells are considered to be a potential threat to long term storage integrity. Various risk assessment methodologies are described that are tailored to well integrity evaluation for geological CO2 storage. Finally, an overview of potential corrective measures and monitoring strategies is presented.

Technical Report

5th Meeting of the Wellbore Integrity Network

  • 1 June 2009
  • Event Proceedings
  • Storage

The IEA GHG Wellbore Integrity Network has been running for 5 years now, and the meeting in 2009 was held in Calgary, Canada. The attendance for the meeting covered the usual mix of industry, academia, research and regulators, but there was a noted increase in attendance from industrial companies. This was demonstrative of the local area that the meeting was held in, with a large number of oil companies working in the surrounding province. This increased industry representation moved the discussion sessions to areas previously not addressed, or only addressed in brief outline, and this is indicative of the progress of the meeting and its continued worth. A possibility for the future of the network will be an alteration in its role, from pure research into wellbore integrity, materials and abandonment procedures, to one of education of industrial operators, and the broaching of the gap between experience gained from the oil and gas industry, and the needs and demands of regulations relating to CO<sub>2</sub> Capture and Storage (CCS) operations.

Technical Report

Safety in Carbon Dioxide Capture, Transport and Storage

  • 1 June 2009
  • Capture
  • Storage

Within the next few years it is expected that an increasing number of commercial-scale demonstrations of CO<sub>2</sub> capture and storage technology will be built and brought into operation. Many aspects of the design of such facilities including issues relating to engineering design, environmental impacts, standards and permitting have been the subject of studies undertaken for the IEA GHG. So far no study has been dedicated specifically to the issue of safety in the above ground elements of CCS systems although such safety issues have been addressed to some extent in earlier studies. This study was designed specifically to examine the safety issues which are likely to arise when preparing safety cases and planning emergency procedures for CO<sub>2 </sub>capture and storage (CCS) projects

Technical Review

Otway Basin Pilot Project - Annual Expert Review of Monitoring and Verification Programme

  • 1 June 2009
  • Industry Insights
  • Storage

IEA GHG has produced a revised set of criteria for assessment of plants, particularly power plants with CO2 capture, making use of information from EPRI and others. The revised criteria should be used by IEA GHG for its future studies. Other organisations are encouraged to use the criteria to provide consistency of results. Preliminary criteria have been specified for alternative locations and these should be finalised with local organisations at the time when IEA GHG undertakes its first study for each alternative location. Other alternative locations could be considered in future, at the request of IEA GHG's members. As a follow on to this report IEA GHG will assess the feasibility of providing standard assessment criteria for CO2 transport and storage and it will develop methodologies for comparing the relative merits of CCS and alternative low-CO2 technologies.

Technical Report

CO2 Geological Storage Modelling Workshop

  • 1 April 2009
  • Event Proceedings
  • Storage

The concept of this workshop was previously proposed to the IEA Greenhouse Gas R&D Programme (IEA GHG) by BRGM and Schlumberger, and following the approval of the workshop in principle, discussion was initiated in June 2008 at the IEA GHG Joint Network Meeting in New York. The suggestion was that CO2 geological modelling for Carbon Dioxide Capture and Storage (CCS) was an important topic not being adequately dealt with by the existing storage based research networks. Further discussions by these network groups concluded that this was indeed a gap, and that an initial workshop should be held to determine the viability of forming a separate network dealing solely with geological storage modelling.

Technical Report

Storage in Depleted Gas Fields

  • 1 March 2009
  • Storage

The initial specification required a desk-based study to: 1. Assess the future implications for CO2 storage of future natural gas production trends, especially the potential future exploitation of fields with naturally-high CO2 2. Undertake a source-sink matching exercise, utilising the IEA GHG database on point source emissions and with due consideration to existing transport pipeline infrastructure. The specification specifically stated that ship transportation should not be considered; content; 3. Determine the potential role of enhanced gas recovery (CO2-EGR) in CO2 4. Develop an analytical screening process/tool for the selection of gas fields suitable for CO storage; 2 storage, allowing ranking of opportunities and assessment of potential global CO2 5. Estimate CO storage capacity; 2 6. Provide a summary of opportunities around the world where CO storage costs in depleted gas fields; 2 storage in depleted gas fields could be feasible from both technological and economic perspectives

Technical Review

What Have We Learned from IEAGHG Storage Activities

  • 1 February 2009
  • Industry Insights
  • Storage

This report summarises key learning points on CO2 geological storage from Operating Phase 5 of the IEA Greenhouse Gas R&D Programme (IEA GHG), which commenced in 2005 and effectively coincided with the publication of the IPCC Special Report on Carbon Dioxide Capture and Storage (IPCC SRCCS). IEA GHG activities revolve mainly around contracted studies and organisation of the international research networks. IEA GHG studies are chosen by programme members and sponsors from a wide list of proposals, ensuring those selected are focussed on topical technical issues. Study reports issued from 2005 onwards have contributed significant knowledge to major storage topics, including: regional capacity estimation; economics; environmental impact and risk assessment; well integrity and remediation of seepage; and development issues for deep saline formations.

Technical Report

Joint Network Meeting report

  • 1 December 2008
  • Event Proceedings
  • Storage

The agenda was structured in accordance with the 3 criteria with sessions on review of performance monitoring tools, data integration and demonstrating monitoring data conforms with predictive modelling, developing protocols and strategies to form a monitoring plan and monitoring of the outer envelope – demonstrating no leakage. There was also a discussion session on CCS in the CDM – what modelling is required for monitoring and a session on updates and permanent Installations; current and future activities. The meeting ended with a review of the main learnings taken from the meeting.

Technical Report

Environmental Impacts Meeting Report

  • 1 December 2008
  • Event Proceedings
  • Storage

The meeting was held over 3 days, and covered views of both regulators and industry, and the presentations covered impacts of leaks in both terrestrial and marine environments, and also extensively covered the experience of various research bodies and projects from Europe and the USA. The closing session included an open discussion to determine the needs of the different groups likely to be involved in a storage project, from regulators, industry, researchers and the general public.

Technical Report

Aquifer Storage – Development Issues

  • 1 November 2008
  • Storage

The aim of this study was to bring together and review the research that has been undertaken in Europe, North America, Japan and Australia, to develop an understanding of how knowledge on deep saline aquifers has developed in recent years, in particular since the 2005 IPCC Special Report on CO2 Capture and Storage (IPCC SRCCS). Emphasis was placed on the identification of knowledge gaps and priority areas for R&D activities.

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