NDLI: The coupled non-isothermal, multiphase-multicomponent flow and reactive transport simulator OpenGeoSys

Content Provider	Springer Nature Link
Author	Pfeiffer, W. T. Graupner, B. Bauer, S.
Copyright Year	2016
Abstract	Numerical simulations are a viable tool to gain insights into complex coupled THMC processes prevailing in many geoscientific applications. In this work, a coupling approach for OpenGeoSys and ECLIPSE is presented, which combines the multiphase flow simulations of ECLIPSE with heat and reactive geochemical component transport simulations of OpenGeoSys. The coupled simulator is capable of dealing with multiphase-multicomponent systems with no specific limitations regarding the components used. Furthermore, thermal effects like the Joule–Thomson effect and geochemical feedback on fluid flow and mass transport are accounted for by the coupled simulator. The developed coupled code is validated in a series of benchmarks. It is found that the results of the coupled simulator are in very close agreement with those obtained from the reference simulations with the relative errors being smaller than 0.00001, 0.0002 and 0.003 % for phase pressures, saturations and component concentrations, respectively. Validation of the thermal coupling of the simulators shows the same good agreement, if no thermal feedback on fluid flow is considered with a maximum relative error of 0.0015 %. Including thermal feedback on fluid flow shows increased relative differences of up to 0.3 % due to the slightly different equations of states used in the simulators. Given the good accuracy of the validation runs, the coupled code can thus now be applied for reservoir simulations of coupled processes occurring in the subsurface.
Starting Page	1
Ending Page	15
Page Count	15
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	75
Issue Number	20
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-10-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Simulator coupling OpenGeoSys ECLIPSE THMC processes ANGUS+ Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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