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    This data contains the output from the first Flexible CCS Network Development (FleCCSnet) workshop of stakeholders discussing the development of CO2 networks in the UK. The first was held on the 30 April 2014 at the University of Edinburgh, UK. The purpose of Workshop 1 was to identify and confirm the key questions to be considered in order to understand the most likely impacts of variability in the CO2 sources and variability in CO2 sinks on CO2 transport system design and operation. There were a total of 21 attendees including 7 representatives from PSE, Scottish Power, BP, SCCS, Parsons Brinckerhoff, Element Energy, and AMEC. The dataset consists of two reports. The first report, 'Developing CO2 networks: Key lessons learnt from the first Flexible CCS Network Development (FleCCSnet) project workshop', summarises the workshop findings, which have been used to create a series of scenarios that were investigated by transient simulation. The scenarios developed are described in the second report, 'Developing CO2 networks: Scenarios building on the first Flexible CCS Network Development (FleCCSnet) project workshop'.

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    This Microsoft Excel document contains 5 worksheets providing data produced by research as part of UKCCSRC Call 1 funded project (grant number UKCCSRC-C1-31) and UKCCSRC funded international exchange. These data are presented and discussed in the manuscript "Geochemical tracers for monitoring offshore CO2 stores" by J. Roberts, S. Gilfillan, L. Stalker, M. Naylor, https://doi.org/10.1016/j.ijggc.2017.07.021. Then data details the assumptions around background concentrations of chemical tracers in the atmosphere and seawater, cost per litre, and how tracer detection concentrations (and so cost and potential environmental impact were calculated).

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    This poster on the UKCCSRC Call 1 project, Flexible CCS Network Development, was presented at the Cambridge Biannual, 02.04.14. Grant number: UKCCSRC-C1-40.

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    This poster on the UKCCSRC Call 2 project Shelter and Escape in the Event of a Release of CO2 from CCS Infrastructure (S-CAPE) was presented at the CSLF Call project poster reception, London, 27.06.16. Grant number: UKCCSRC-C2-179. Pipelines are acknowledged as one of the most efficient and cost-effective methods for transporting large volumes of various fluids over long distances and therefore the majority of proposed schemes for Carbon Capture and Storage (CCS) involve high pressure pipelines transporting CO2. In order to manage the risk in the event of the failure of a carbon dioxide (CO2) pipeline, it is a core requirement that a separation distance between pipelines and habitable dwellings is defined to ensure a consistent level of risk. The aim of this project is to develop validated and computationally efficient shelter and escape models describing the consequences to the surrounding population of a CO2 release from CCS transportation infrastructure. The models will allow pipeline operators, regulators and standard setters to make informed and appropriate decisions regarding pipeline safety and emergency response. This poster presents some preliminary findings from the S-Cape project and: • Describes the development of analytical and Computational Fluid Dynamic (CFD) models to calculate the change in internal CO2 concentration within a building engulfed by a dispersing cloud of CO2. • Investigates the sensitivity of the CO2 concentration within a building to wind speed and the temperature of the CO2 in the pipeline. • Demonstrates how CFD models can be used to verify results obtained using computationally efficient analytical models.

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    This presentation on the UKCCSRC Call 1 project 3D Mapping of Large-Scale Subsurface Flow Pathways using Nanoseismic Monitoring was presented at the UKCCSRC Manchester Biannual Meeting, 13.04.2016. Grant number: UKCCSRC-C1-19.

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    This presentation on the UKCCSRC Call 1 project, Flexible CCS Network Development, was presented at the Workshop1, 30.04.14. Grant number: UKCCSRC-C1-40.

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    This dataset provides the linepacking times that have been generated for a set of pipeline dimensions, flow rates, lengths and pressure conditions. This work has been funded by the UK Carbon Capture and Storage Research Centre within the framework of the FleCCSnet project (UKCCSRC-C1-40). The UKCCSRC is supported by the EPSRC as part of the Research Councils UK Energy Programme (https://doi.org/10.1016/j.ijggc.2017.06.002). This dataset forms the basis of the work and analysis presented in the paper: Aghajani, H, Race, JM, Wetenhall, B, Sanchez Fernandez, E, Lucquiaud, M & Chalmers, H 2017, 'On the potential for interim storage in dense phase CO2 pipelines' International Journal of Greenhouse Gas Control.

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    The project will three-dimensionally image hydraulically conductive features in the reservoir, caprock and overburden of an active CO2 injection site: the Aquistore site, Canada. Our research will provide important information on potential migration pathways within the storage complex to inform future monitoring strategies at the Aquistore site and at future storage sites. We will monitor micro-seismic events prior to, and during, CO2 injection using a three-component nanoseismic surface monitoring array which will complement data collected by the existing geophone network at the site. This analysis can be used to provide deep focussed monitoring information on permeability enhancement near the injection point. As injection continues it will also enable imaging of any flowing features within the caprock. Grant number: UKCCSRC-C1-19.

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    This presentation on the UKCCSRC Call 1 project, Flexible CCS Network Development, was presented at the Workshop1ES, 30.04.14. Grant number: UKCCSRC-C1-40.

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    Raw CO2 and CH4 concentration data from a Picarro Cavity Ring Down Spectroscopy (CRDS) during experiments which tested the utility of methane as a tracer to quantify CO2 leakage into aqueous environments, as described in Myers, M., Roberts, J.J., White, C., and Stalker, L (2019) ‘An experimental investigation into quantifying CO2 leakage in aqueous environments using chemical tracers’ Chemical Geology