Reservoir characterization for site selection in the Gundih CCS project, Indonesia

Takeshi Tsuji, Toshifumi Matsuoka, Wawan Gunawan A. Kadir, Masami Hato, Toru Takahashi, Mohammad Rachmat Sule, Keigo Kitamura, Yasuhiro Yamada, Kyosuke Onishi, Djedi S. Widarto, Rio I. Sebayang, Agung Prasetyo, Awali Priyono, Tutuka Ariadji, Benyamin Sapiie, Eko Widianto, Ariesty Ratna Asikin

    Research output: Contribution to journalConference articlepeer-review

    13 Citations (Scopus)

    Abstract

    A pilot CCS project in Indonesia will be implemented in Gundih area, Central Java Province in Indonesia. Before the CO2 injection, the reservoirs for CO2 injection must be characterized carefully by conducting geophysical exploration as well as reservoir simulation, in order to make sure that the reservoir is suitable for CO2 storage. Here we report results of reservoir characterization and simulation 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. We observed the outcrop of the Ngrayong formation and measured hydrological and geophysical properties (e.g., permeability, seismic velocity) of the rock samples obtained from outcrop and wells. The Ngrayong formation has layered structure and heterogeneous characteristics. Using (1) hydrological properties, (2) subsurface structures (i.e., geometry of the Ngrayong formation) and (3) physical properties predicted by integrating seismic and logging data via acoustic impedance inversion, we applied reservoir simulation and evaluated security of the CO2 injection sites.

    Original languageEnglish
    Pages (from-to)6335-6343
    Number of pages9
    JournalEnergy Procedia
    Volume63
    DOIs
    Publication statusPublished - 2014
    Event12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 - Austin, United States
    Duration: Oct 5 2014Oct 9 2014

    All Science Journal Classification (ASJC) codes

    • Energy(all)

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