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Summary report of the IEAGHG Modelling Network and the Risk Management Network Meeting

1 November 2013
Event Proceedings
Storage

The three day event consisted of a day dedicated to modelling applications; a second day covering a variety of risk management issues and a final day where topics involving both topics were discussed. The meeting was preceded by visits to the SINTEF research facility in Trondheim and the CO2 pipeline test facility at the Statoil Rotvoll site. During the visit to SINTEFF delegates were shown lab-scale development of new solvents for CO2 capture and an oxy-fuel combustion test rig.

Technical Report

Monitoring Network and Environmental Research Network – Combined Meeting

1 November 2013
Event Proceedings
Storage

From the 27th to 30th August CO₂CRC hosted this meeting of two of IEAGHG’s Networks, the 8th meeting of the Monitoring Network and the 4th meeting of the Environmental Research Network. The theme of the meeting was ‘Realistic monitoring of CO₂ migration – from the reservoir to the surface’, and was attended by 80 delegates from 12 countries. The latest developments and research were presented in sessions covering the regulatory environment, monitoring migration from the reservoir, migration of fluids through the overburden, detection of leakage into shallow groundwater, terrestrial detection monitoring and environmental impacts, marine detection monitoring and environmental impacts, andthe complexity of the natural system and implications for quantification.

Technical Report

The Process of Developing a CO₂ Test Injection Experience

1 October 2013
Storage

This study does not intend to redo work already carried out, but to produce an over-arching document, which follows the process of setting up a test injection. This document would identify gaps in best practice guides as well as point readers towards available information. The document produced would order the steps and processes that the user would need to go through during the management of the test injection; from scoping of the project (including success criteria), site selection, planning, injection and closure. Many of the steps will happen simultaneously, but an order can still be established along with an expected timeline. This would be broad enough to allow for different permitting and legal processes in different countries as well as different site specific technical issues.

Technical Review

Review of CO₂ storage in low perm strata

1 October 2013
Storage

This review has summarised a detailed assessment of South Africa’s geological storage potential which is the most comprehensive for a country with both conventional and alternative (low permeability) options. The relevance of the experimental Longyearbyen site has been reviewed partly because of its relevance to South Africa. Brief consideration of India and South Korea has also been included because they too face the dilemma of limited, or unproven, alternatives to large scale conventional reservoirs.

Technical Report

Potential Implications on Gas Production from Shales and Coals

1 September 2013
Storage

The main aims of the study are to assess the global potential for geological storage of CO₂ in shale and coal formations and the impact of gas production from shales on CO₂ storage capacity in underlying deep saline aquifers by compromising caprock integrity. The study would comprise a comprehensive literature review to provide guidance on the following issues: Global status of hydrocarbon production from shales and CBM and potential effects on CO₂ storage both in the producing shales/ coals themselves and underlying hydrocarbon reservoirs and/or deep saline formations. The focus should be on gas production, but with reference to oil production from shales; Current status of research into geological storage of CO₂ in shales and coals; Potential nature and rate of trapping processes; mechanisms of storing CO₂. CO₂ injectivity into shales and coals, with reference to fracturing practices employed by industry; Containment issues arising from shale fracturing, both for shales as a storage medium per se, and in terms of caprock integrity for underlying storage units, particularly deep saline aquifers; Methods for assessing storage capacities for CO₂ storage in shales and coals; High level mapping and assessment of theoretical/effective capacities; Potential economic implications of CO₂ storage in shales and coals.

Technical Review

Mineralisation - Carbonation and Enhanced Weathering

1 July 2013
Storage
Utilisation

This technical review is an update of a 2005 IEAGHG review of mineralisation as means of CO₂ sequestration, which concluded “Significant breakthroughs are needed but obstacles to be overcome are considerable”. This review confirms that view and concludes that recent research initiatives are unlikely to lead to technically and economically viable CO₂ sequestration processes. An insurmountable barrier is the scale of mineral handling that would be required for CO₂ absorption by a mineral at a coal-fired power station. The amount of igneous mineral material to be mined, processed and returned to the ground would involve materials handling at an order of magnitude greater scale than the scale of the coal mining operation that provided the fuel that is burned to produce the CO₂. That would result in significant environmental consequences and life-cycle energy demands

Technical Report

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 Review

Shale Gas Greenhouse Gas Footprint Review

1 March 2013
Storage

This analytical review was originally prepared as a discussion note for the executive committee of the IEA Greenhouse Gas R&D programme in response to concern resulting from publication in the USA of an academic paper claiming that methane emissions arising from the production of shale gas could be sufficient to make unconventional natural gas from that source more greenhouse intensive than coal. Such a claim runs counter to the conventional wisdom that converting an application from coal to natural gas invariably results in a reduction in the greenhouse gas (GHG) emission consequences of the application, particularly so for power generation

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

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