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Modeling wellbore and reservoir carbon dioxide flow for the Heletz experiment
Technion, Israel Institute of Technology, Haifa, Israel.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL. (Geohydrologi)
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL. (Geohydrologi)
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL. (Geohydrologi)
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2012 (English)In: Geophysical Research Abstracts, Vol. 14: EGU2012-7823, 2012Conference paper, Published paper (Other academic)
Description
Abstract [en]

Field carbon dioxide injection experiments are necessary for demonstration, increasing the scientific understandingand quantification of the relevant processes occurring during geological storage in deep saline aquifers. As part ofthe large scale EU-FP7 project MUSTANG, a carbon dioxide injection experiment is to be carried out at the Heletzsite, Israel. Estimating the well head conditions is an important part of planning the experiment and an approach ispresented here for determining wellhead conditions needed to ensure that at least a specified flow rate is providedto the formation, given target layer conditions, while still respecting pressure buildup constraints. The main partof the study combines the multiphase flow in the target layer using the well known TOUGH2/ECO2N model, withthe flow in the injection pipe solving the 1D steady, real gas, augmented Euler equation. The Matching is carriedon in a two-stage process.The second part consists of a transient simulation of the combined well-reservoir flowusing the new T2WELL software for the same parameters. Preliminary conclusions of the comparison of the twostrategies are derived. Sensitivity analyses were carried out with respect to target layer properties and to pipe modelassumptions.

Place, publisher, year, edition, pages
2012.
National Category
Oceanography, Hydrology, Water Resources
Research subject
Hydrology
Identifiers
URN: urn:nbn:se:uu:diva-188907OAI: oai:DiVA.org:uu-188907DiVA: diva2:580005
Conference
EGU General Assembly, April 22-27, 2012
Projects
MUSTANG
Funder
EU, FP7, Seventh Framework Programme, 227286
Available from: 2012-12-20 Created: 2012-12-20 Last updated: 2017-09-21

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Fagerlund, Fritjof

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