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| | Abstract | | A pilot CCS project in Indonesia will be implemented in Gundih area, Central Java Province in Indonesia. Before implementing CO2 injection, the reservoir for CO2 injection must be characterized carefully by conducting geophysical exploration, in order to make sure that the reservoir is suitable for CCS. Here we report preliminary results of site surveys for the determination of CO2 injection site in the Gundih area. Subsurface structures imaged on seismic reflection profiles indicate that the Ngrayong formation is one of the candidates for CO2 injection. To reveal hydrological properties (e.g., permeability) of the Ngrayong formation, we obtained rock samples of the Ngrayong formation from outcrop and boreholes. Using (1) hydrological properties, (2) subsurface structures extracted from seismic data (e.g., geometry of the Ngrayong formation) and (3) physical properties predicted by integrating seismic and logging data, we apply reservoir simulation and evaluate potential of the CO2 injection site. |
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