Detection and understanding of natural CO2 releases in KwaZulu- Natal, South Africa

Gareth Johnson; Nigel Hicks; Clare E Bond; Stuart Gilfillan; David Jones; Yannick Kremer; Robert Lister; M Nkwane; T Maupa; P Munyangane; Kate Robey; Jonathan Pearce; Zoe K Shipton; Stuart R. Haszeldine

doi:10.1016/j.egypro.2017.03.1505

Detection and understanding of natural CO2 releases in KwaZulu- Natal, South Africa

Gareth Johnson, Nigel Hicks, Clare E Bond, Stuart Gilfillan, David Jones, Yannick Kremer, Robert Lister, M Nkwane, T Maupa, P Munyangane, Kate Robey, Jonathan Pearce, Zoe K Shipton, Stuart R. Haszeldine

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Abstract

Natural carbon dioxide (CO2) emanates from a number of sites along a N-S trend that coincides with a mapped fault near the village of Bongwana in KwaZulu-Natal, South Africa. In addition to the natural CO2 seeps a groundwater well drilled on a farm in Bongwana encountered CO2 and now leaks. Thus the Bongwana sites provide excellent analogues for failed CO2 storage under the two primary leakage scenarios; 1) abrupt leakage through injection well failure or leakage up an abandoned well, and 2) gradual leakage, through undetected faults, fractures or wells. Here we present results from preliminary fieldwork undertaken in September 2015.

Original language	English
Pages (from-to)	3757-3763
Number of pages	7
Journal	Energy Procedia
Volume	114
Early online date	2017
DOIs	https://doi.org/10.1016/j.egypro.2017.03.1505
Publication status	Published - Jul 2017
Event	13th International Conference on Greenhouse Gas Control Technologies, GHGT-13 - Lausanne, Switzerland Duration: 14 Nov 2016 → 18 Nov 2016

Bibliographical note

The work was supported by funding from the UK CCS Research Centre (UKCCSRC). The UKCCSRC is funded by the EPSRC as part of the RCUK Energy Programme. The South African National Energy Development Institute (SANEDI) Stakeholder Engagement team under the South African Centre for Carbon Capture & Storage (SACCCS) is thanked for making the scientific work possible. The National, Provincial and Local Government structures including Traditional Authorities, Municipalities, landowners and local residents are thanked for granting permission
to conduct the monitoring in the areas of interest. Council for Geoscience staff are thanked for their assistance and support in the field.

Keywords

CO2 storage
Natural Leakage
South Africa
Geological CO2 storage
Water quality

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10.1016/j.egypro.2017.03.1505Licence: CC BY-NC-ND

Detection and Understanding of Natural CO2 Releases in KwaZulu-Natal, South Africa
Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Final published version, 311 KBLicence: CC BY-NC-ND

Cite this

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abstract = "Natural carbon dioxide (CO2) emanates from a number of sites along a N-S trend that coincides with a mapped fault near the village of Bongwana in KwaZulu-Natal, South Africa. In addition to the natural CO2 seeps a groundwater well drilled on a farm in Bongwana encountered CO2 and now leaks. Thus the Bongwana sites provide excellent analogues for failed CO2 storage under the two primary leakage scenarios; 1) abrupt leakage through injection well failure or leakage up an abandoned well, and 2) gradual leakage, through undetected faults, fractures or wells. Here we present results from preliminary fieldwork undertaken in September 2015.",

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note = "The work was supported by funding from the UK CCS Research Centre (UKCCSRC). The UKCCSRC is funded by the EPSRC as part of the RCUK Energy Programme. The South African National Energy Development Institute (SANEDI) Stakeholder Engagement team under the South African Centre for Carbon Capture & Storage (SACCCS) is thanked for making the scientific work possible. The National, Provincial and Local Government structures including Traditional Authorities, Municipalities, landowners and local residents are thanked for granting permission to conduct the monitoring in the areas of interest. Council for Geoscience staff are thanked for their assistance and support in the field.; 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13 ; Conference date: 14-11-2016 Through 18-11-2016",

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AU - Johnson, Gareth

AU - Hicks, Nigel

AU - Bond, Clare E

AU - Gilfillan, Stuart

AU - Jones, David

AU - Kremer, Yannick

AU - Lister, Robert

AU - Nkwane, M

AU - Maupa, T

AU - Munyangane, P

AU - Robey, Kate

AU - Pearce, Jonathan

AU - Shipton, Zoe K

AU - Haszeldine, Stuart R.

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N2 - Natural carbon dioxide (CO2) emanates from a number of sites along a N-S trend that coincides with a mapped fault near the village of Bongwana in KwaZulu-Natal, South Africa. In addition to the natural CO2 seeps a groundwater well drilled on a farm in Bongwana encountered CO2 and now leaks. Thus the Bongwana sites provide excellent analogues for failed CO2 storage under the two primary leakage scenarios; 1) abrupt leakage through injection well failure or leakage up an abandoned well, and 2) gradual leakage, through undetected faults, fractures or wells. Here we present results from preliminary fieldwork undertaken in September 2015.

AB - Natural carbon dioxide (CO2) emanates from a number of sites along a N-S trend that coincides with a mapped fault near the village of Bongwana in KwaZulu-Natal, South Africa. In addition to the natural CO2 seeps a groundwater well drilled on a farm in Bongwana encountered CO2 and now leaks. Thus the Bongwana sites provide excellent analogues for failed CO2 storage under the two primary leakage scenarios; 1) abrupt leakage through injection well failure or leakage up an abandoned well, and 2) gradual leakage, through undetected faults, fractures or wells. Here we present results from preliminary fieldwork undertaken in September 2015.

KW - CO2 storage

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KW - South Africa

KW - Geological CO2 storage

KW - Water quality

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EP - 3763

JO - Energy Procedia

JF - Energy Procedia

T2 - 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13

Y2 - 14 November 2016 through 18 November 2016

ER -

Detection and understanding of natural CO2 releases in KwaZulu- Natal, South Africa

Abstract

Bibliographical note

Keywords

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