Abstract
The storage potential and movement of fluids within a formation is dependent on hydraulic characterization unique to each depositional environment. Storage efficiency (E), the ratio of the injected volume of CO2 to the accessible pore volume, quantifies the CO2 storage capacity in a geologic depositional environment, providing a means to assess the CO2 storage resource of candidate reservoirs. This paper quantifies the ranges for E via numerical modeling for eight depositional environments: deltaic, shelf clastic, shelf carbonate, fluvial deltaic, strandplain, reef, fluvial and alluvial, and turbidite. An important aspect of this work is the development of geologic and geocellular modeling that reflects the uniqueness of each depositional environment. Depositional environments were interpreted from core and geophysical log data; geologic and petrophysical data from oil fields and gas storage sites were used as constraints in the development of geocellular models, which were upscaled for flow simulations. Evaluation of the effects of geologic structures on storage efficiency indicates it causes a net increase in efficiency. Fluvial deltaic had the highest E and shelf carbonate had the lowest.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 5247-5257 |
| Number of pages | 11 |
| Journal | Energy Procedia |
| Volume | 63 |
| DOIs | |
| State | Published - Jan 1 2014 |
| Event | 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 - Austin, United States Duration: Oct 5 2014 → Oct 9 2014 |
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Keywords
- Depositional environment
- Formations
- Storage efficiency
- Structure relief
ASJC Scopus subject areas
- Energy(all)
Cite this
Effect of geologic depositional environment on CO2 storage efficiency. / Okwen, Roland; Yang, Fang; Frailey, Scott.
In: Energy Procedia, Vol. 63, 01.01.2014, p. 5247-5257.Research output: Contribution to journal › Conference article
}
TY - JOUR
T1 - Effect of geologic depositional environment on CO2 storage efficiency
AU - Okwen, Roland
AU - Yang, Fang
AU - Frailey, Scott
PY - 2014/1/1
Y1 - 2014/1/1
N2 - The storage potential and movement of fluids within a formation is dependent on hydraulic characterization unique to each depositional environment. Storage efficiency (E), the ratio of the injected volume of CO2 to the accessible pore volume, quantifies the CO2 storage capacity in a geologic depositional environment, providing a means to assess the CO2 storage resource of candidate reservoirs. This paper quantifies the ranges for E via numerical modeling for eight depositional environments: deltaic, shelf clastic, shelf carbonate, fluvial deltaic, strandplain, reef, fluvial and alluvial, and turbidite. An important aspect of this work is the development of geologic and geocellular modeling that reflects the uniqueness of each depositional environment. Depositional environments were interpreted from core and geophysical log data; geologic and petrophysical data from oil fields and gas storage sites were used as constraints in the development of geocellular models, which were upscaled for flow simulations. Evaluation of the effects of geologic structures on storage efficiency indicates it causes a net increase in efficiency. Fluvial deltaic had the highest E and shelf carbonate had the lowest.
AB - The storage potential and movement of fluids within a formation is dependent on hydraulic characterization unique to each depositional environment. Storage efficiency (E), the ratio of the injected volume of CO2 to the accessible pore volume, quantifies the CO2 storage capacity in a geologic depositional environment, providing a means to assess the CO2 storage resource of candidate reservoirs. This paper quantifies the ranges for E via numerical modeling for eight depositional environments: deltaic, shelf clastic, shelf carbonate, fluvial deltaic, strandplain, reef, fluvial and alluvial, and turbidite. An important aspect of this work is the development of geologic and geocellular modeling that reflects the uniqueness of each depositional environment. Depositional environments were interpreted from core and geophysical log data; geologic and petrophysical data from oil fields and gas storage sites were used as constraints in the development of geocellular models, which were upscaled for flow simulations. Evaluation of the effects of geologic structures on storage efficiency indicates it causes a net increase in efficiency. Fluvial deltaic had the highest E and shelf carbonate had the lowest.
KW - Depositional environment
KW - Formations
KW - Storage efficiency
KW - Structure relief
UR - http://www.scopus.com/inward/record.url?scp=84922902137&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84922902137&partnerID=8YFLogxK
U2 - 10.1016/j.egypro.2014.11.556
DO - 10.1016/j.egypro.2014.11.556
M3 - Conference article
AN - SCOPUS:84922902137
VL - 63
SP - 5247
EP - 5257
JO - Energy Procedia
JF - Energy Procedia
SN - 1876-6102
ER -