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

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

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.",

keywords = "CO2 storage, Natural Leakage, South Africa, Geological CO2 storage, Water quality",

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

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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doi = "10.1016/j.egypro.2017.03.1505",

language = "English",

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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.

N1 - 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.

PY - 2017/7

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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

KW - Natural Leakage

KW - South Africa

KW - Geological CO2 storage

KW - Water quality

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DO - 10.1016/j.egypro.2017.03.1505

M3 - Article

VL - 114

SP - 3757

EP - 3763

JO - Energy Procedia

JF - Energy Procedia

SN - 1876-6102

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

Keywords

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