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Hydrogeological characterization of the Heletz Sands reservoir, Heletz (Israel) as a preliminary step towards CO2 injection experiments

AuthorsBensabat, Jacob; Carrera Ramírez, Jesús; Brauchler, Ralf
Issue DateApr-2013
PublisherEuropean Geosciences Union
CitationEGU General Assembly (2013)
AbstractOne the major components of the EU-FP7 funded MUSTANG project is to conduct a highly controlled se- ries of CO 2 injection experiments, aimed at determining field values of key CO 2 trapping mechanisms such as dissolution and residual trapping and to establish a comprehensive and consistent dataset for model validation. Prior to injecting CO 2 there is a need to achieve a sufficient degree of hydrogeological characterization of the reservoir. In what follows we present a sequence of hydrologic tests to be conducted at Heletz and their expected contribution to the understanding relevant hydrogeology. These include: 1) Chemical characterization of the formation fluid; 2) Flowing Fluid Electrical Conductivity log, aimed at determining the vertical variability of the reservoir permeability in the near well vicinity; 3) Water pulse and pumping tests, aimed at determining the reservoir scale hydraulic properties; 4) Thermal test, aimed at determining the value of the heat transfer coefficient from the reservoir to the borehole fluid, which is responsible for the heating of injected fluid in the borehole; 5) two-well injection and pumping of water and tracers test, in order to determine the impact of heterogeneity on the hydraulic parameters and to identify preferential flow paths in the reservoir. This paper presents the design and planning of the experiments, the results obtained in field and a preliminary interpretation.
DescriptionBensabat, Jacob et al.
Ponencia presentada en la European Geosciences Union General Assembly, celebrada en Viena del 7 al 12 de abril de 2013.
Appears in Collections:(IDAEA) Comunicaciones congresos
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