A parametric study to investigate the effect of injection and production well operation on the CO2 sequestration process in deep unmineable coal seams

Mandadige Samintha Anne Perera; Ranjith Pathegama Gamage; Sing-Ki Xavier Choi

doi:10.1201/b11646-255

A parametric study to investigate the effect of injection and production well operation on the CO₂ sequestration process in deep unmineable coal seams

Mandadige Samintha Anne Perera, Ranjith Pathegama Gamage, Sing-Ki Xavier Choi

Civil & Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

Abstract

The main objective of this study was to conduct a parametric study using a 3D numerical model to optimize the CO ₂ sequestration process in a 540m×500m×20m coal seam, located at 1000m below the ground surface. Three model parameters were considered: injection pressure, the number and location of injection wells and the location of a production well. According to the model results, CO ₂ storage capacity can be improved for the model coal seam by increasing the injection pressure, thereby opening existing cleat systems and/or inducing new fractures in the coal. CO ₂ storage capacity cannot be increased by simply increasing the number of injection wells, as the location of the wells influences CO ₂ distribution in the storage process. CO ₂ storage capacity can be increased by introducing a production well, but the optimum distance between the injection and production well is sensitive to various factors.A numerical model can be used to assess the effects of operational parameters such as injection pressure and the number of wells and their location on the performance of a deep coal seam CO ₂ sequestration system. © 2012 Taylor & Francis Group, London.

Original language	English
Title of host publication	Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics
Subtitle of host publication	Beijing; China; 18 October 2011 through 21 October 2011
Editors	Qihi Qian, Yingxin Zhou
Place of Publication	Leiden The Netherlands
Publisher	CRC Press
Pages	1353 - 1356
Number of pages	4
ISBN (Electronic)	9780203135259
ISBN (Print)	9780415804448
DOIs	https://doi.org/10.1201/b11646-255
Publication status	Published - 2012
Event	International Society of Rock Mechanics Series of Symposia and Conferences 2011 - China National Convention Center (CNCC), Beijing, China Duration: 18 Oct 2011 → 21 Oct 2011 Conference number: 12th https://www.isrm.net/gca/index.php?id=1053

Conference

Conference	International Society of Rock Mechanics Series of Symposia and Conferences 2011
Abbreviated title	ISRM 2011
Country/Territory	China
City	Beijing
Period	18/10/11 → 21/10/11
Other	International Congress on Rock Mechanics of the International Society for Rock Mechanics 2011 Proceedings title = Harmonising Rock Engineering and the Environment
Internet address	https://www.isrm.net/gca/index.php?id=1053

Keywords

CO injection
Deep coal seam sequestration
Numerical modeling

Access to Document

10.1201/b11646-255Licence: Unspecified

Cite this

Perera, M. S. A., Pathegama Gamage, R., & Choi, S.-K. X. (2012). A parametric study to investigate the effect of injection and production well operation on the CO₂ sequestration process in deep unmineable coal seams. In Q. Qian, & Y. Zhou (Eds.), Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics: Beijing; China; 18 October 2011 through 21 October 2011 (pp. 1353 - 1356). CRC Press. https://doi.org/10.1201/b11646-255

Perera, Mandadige Samintha Anne ; Pathegama Gamage, Ranjith ; Choi, Sing-Ki Xavier. / A parametric study to investigate the effect of injection and production well operation on the CO₂ sequestration process in deep unmineable coal seams. Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics: Beijing; China; 18 October 2011 through 21 October 2011. editor / Qihi Qian ; Yingxin Zhou. Leiden The Netherlands : CRC Press, 2012. pp. 1353 - 1356

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abstract = "The main objective of this study was to conduct a parametric study using a 3D numerical model to optimize the CO 2 sequestration process in a 540m×500m×20m coal seam, located at 1000m below the ground surface. Three model parameters were considered: injection pressure, the number and location of injection wells and the location of a production well. According to the model results, CO 2 storage capacity can be improved for the model coal seam by increasing the injection pressure, thereby opening existing cleat systems and/or inducing new fractures in the coal. CO 2 storage capacity cannot be increased by simply increasing the number of injection wells, as the location of the wells influences CO 2 distribution in the storage process. CO 2 storage capacity can be increased by introducing a production well, but the optimum distance between the injection and production well is sensitive to various factors.A numerical model can be used to assess the effects of operational parameters such as injection pressure and the number of wells and their location on the performance of a deep coal seam CO 2 sequestration system. {\textcopyright} 2012 Taylor & Francis Group, London.",

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Perera, MSA, Pathegama Gamage, R & Choi, S-KX 2012, A parametric study to investigate the effect of injection and production well operation on the CO₂ sequestration process in deep unmineable coal seams. in Q Qian & Y Zhou (eds), Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics: Beijing; China; 18 October 2011 through 21 October 2011. CRC Press, Leiden The Netherlands, pp. 1353 - 1356, International Society of Rock Mechanics Series of Symposia and Conferences 2011, Beijing, China, 18/10/11. https://doi.org/10.1201/b11646-255

A parametric study to investigate the effect of injection and production well operation on the CO₂ sequestration process in deep unmineable coal seams. / Perera, Mandadige Samintha Anne; Pathegama Gamage, Ranjith; Choi, Sing-Ki Xavier.
Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics: Beijing; China; 18 October 2011 through 21 October 2011. ed. / Qihi Qian; Yingxin Zhou. Leiden The Netherlands: CRC Press, 2012. p. 1353 - 1356.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

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N2 - The main objective of this study was to conduct a parametric study using a 3D numerical model to optimize the CO 2 sequestration process in a 540m×500m×20m coal seam, located at 1000m below the ground surface. Three model parameters were considered: injection pressure, the number and location of injection wells and the location of a production well. According to the model results, CO 2 storage capacity can be improved for the model coal seam by increasing the injection pressure, thereby opening existing cleat systems and/or inducing new fractures in the coal. CO 2 storage capacity cannot be increased by simply increasing the number of injection wells, as the location of the wells influences CO 2 distribution in the storage process. CO 2 storage capacity can be increased by introducing a production well, but the optimum distance between the injection and production well is sensitive to various factors.A numerical model can be used to assess the effects of operational parameters such as injection pressure and the number of wells and their location on the performance of a deep coal seam CO 2 sequestration system. © 2012 Taylor & Francis Group, London.

AB - The main objective of this study was to conduct a parametric study using a 3D numerical model to optimize the CO 2 sequestration process in a 540m×500m×20m coal seam, located at 1000m below the ground surface. Three model parameters were considered: injection pressure, the number and location of injection wells and the location of a production well. According to the model results, CO 2 storage capacity can be improved for the model coal seam by increasing the injection pressure, thereby opening existing cleat systems and/or inducing new fractures in the coal. CO 2 storage capacity cannot be increased by simply increasing the number of injection wells, as the location of the wells influences CO 2 distribution in the storage process. CO 2 storage capacity can be increased by introducing a production well, but the optimum distance between the injection and production well is sensitive to various factors.A numerical model can be used to assess the effects of operational parameters such as injection pressure and the number of wells and their location on the performance of a deep coal seam CO 2 sequestration system. © 2012 Taylor & Francis Group, London.

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Perera MSA, Pathegama Gamage R, Choi SKX. A parametric study to investigate the effect of injection and production well operation on the CO₂ sequestration process in deep unmineable coal seams. In Qian Q, Zhou Y, editors, Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics: Beijing; China; 18 October 2011 through 21 October 2011. Leiden The Netherlands: CRC Press. 2012. p. 1353 - 1356 doi: 10.1201/b11646-255