A fully integrated approach for screening of well completion and stimulation methods in low permeability, heterogeneously distributed sandstone reservoirs in the deepwater slope channel, Kita-Akita oil field, Northern Japan

Kenji Ueda, Kenya Ono, Kei Fuse, Ayako Nonoue, Kenji Furui, Hussein Mustapha, Kimikazu Tsusaka, Kohei Furuta, Adrian Rodriguez-Herrera, Dai Makimura, Taoufik Manai, Toru Ito

    研究成果: Conference contribution

    1 引用 (Scopus)

    抄録

    The legacy of conventional fields has resulted in many low permeability reservoirs deemed sub-commercial without an appropriate stimulation strategy. With low permeabilities and potentially heterogeneous reservoir characteristics, an optimal development approach would highly depend on their specific reservoir properties that may well require stimulation methods other than hydraulic fracturing. In this paper, we present a fully integrated characterization and modeling workflow applied to the Kita-Akita oil field in northern Japan, demonstrating the screening process for multiple completion and stimulation methods in a highly heterogeneous, low permeability sandstone reservoir. To select a best completion and stimulation candidate from multiple methods, we constructed an evaluation matrix including the maturity of technologies, applicability to our reservoir, productivity, and economics. Multi-branch type completions such as radial drilling and fishbone drilling, as well as hydraulic fracturing were simulated and subsequently compared based on their productivities. Especially for the radial drilling and the fishbone drilling, a 3D FEM model was built for their complex laterals, and the inflow performances were evaluated with homogenous reservoir properties, respectively. Besides, due to the highly heterogeneous nature of the reservoir, we built a full-physics subsurface model based on a pilot-hole data acquisition and legacy 2D seismic lines. The 3D model served as a canvas to assess reservoir flow and geomechanical behavior, calibrated with production history from past producing wells in the 1950's to 1970's. Based on these models, the best infill drilling location was selected and multiple well completion and stimulation practices were evaluated. Through the screening methodology, the multi-stage hydraulic fracturing was identified as the best suited from an instantaneous productivity perspective. Yet, even though hydraulic fracturing would enhance the accessibility into multiple distinctively isolated sandstones occurring in the deepwater slope channel setting, the treatment costs exceeded the economic threshold significantly in our case. Inflow performance evaluation based on the 3D FEM modeling illustrates multi-branch type completions such as radial drilling and fishbone drilling were identified with a good stimulation skin factor. As a result of 3D simulation study, multi-branch completion was revealed as a technical and economically viable stimulation option in the heterogeneously distributed sandstone reservoirs. The advent of recent completion and stimulation techniques now renders low permeability reservoirs with relatively large development potential. Even with the development challenges quite different from conventional reservoirs, the approach shown in this paper provides a helpful reference for the study and decision-making process when the legacy field needs an optimal stimulation strategy.

    元の言語English
    ホスト出版物のタイトルSociety of Petroleum Engineers - SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018
    出版者Society of Petroleum Engineers
    ISBN(電子版)9781613995952
    出版物ステータスPublished - 2018 1 1
    イベントSPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018 - Brisbane, Australia
    継続期間: 2018 10 232018 10 25

    Other

    OtherSPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018
    Australia
    Brisbane
    期間18/10/2318/10/25

    Fingerprint

    Well stimulation
    Well completion
    well completion
    Petroleum reservoirs
    Oil fields
    Sandstone
    integrated approach
    oil field
    Drilling
    Screening
    Hydraulic fracturing
    sandstone
    permeability
    drilling
    Low permeability reservoirs
    Productivity
    Infill drilling
    Finite element method
    Economics
    productivity

    ASJC Scopus subject areas

    • Geochemistry and Petrology
    • Geotechnical Engineering and Engineering Geology
    • Fuel Technology

    これを引用

    Ueda, K., Ono, K., Fuse, K., Nonoue, A., Furui, K., Mustapha, H., ... Ito, T. (2018). A fully integrated approach for screening of well completion and stimulation methods in low permeability, heterogeneously distributed sandstone reservoirs in the deepwater slope channel, Kita-Akita oil field, Northern Japan. : Society of Petroleum Engineers - SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018 Society of Petroleum Engineers.

    A fully integrated approach for screening of well completion and stimulation methods in low permeability, heterogeneously distributed sandstone reservoirs in the deepwater slope channel, Kita-Akita oil field, Northern Japan. / Ueda, Kenji; Ono, Kenya; Fuse, Kei; Nonoue, Ayako; Furui, Kenji; Mustapha, Hussein; Tsusaka, Kimikazu; Furuta, Kohei; Rodriguez-Herrera, Adrian; Makimura, Dai; Manai, Taoufik; Ito, Toru.

    Society of Petroleum Engineers - SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018. Society of Petroleum Engineers, 2018.

    研究成果: Conference contribution

    Ueda, K, Ono, K, Fuse, K, Nonoue, A, Furui, K, Mustapha, H, Tsusaka, K, Furuta, K, Rodriguez-Herrera, A, Makimura, D, Manai, T & Ito, T 2018, A fully integrated approach for screening of well completion and stimulation methods in low permeability, heterogeneously distributed sandstone reservoirs in the deepwater slope channel, Kita-Akita oil field, Northern Japan. : Society of Petroleum Engineers - SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018. Society of Petroleum Engineers, SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018, Brisbane, Australia, 18/10/23.
    Ueda K, Ono K, Fuse K, Nonoue A, Furui K, Mustapha H その他. A fully integrated approach for screening of well completion and stimulation methods in low permeability, heterogeneously distributed sandstone reservoirs in the deepwater slope channel, Kita-Akita oil field, Northern Japan. : Society of Petroleum Engineers - SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018. Society of Petroleum Engineers. 2018
    Ueda, Kenji ; Ono, Kenya ; Fuse, Kei ; Nonoue, Ayako ; Furui, Kenji ; Mustapha, Hussein ; Tsusaka, Kimikazu ; Furuta, Kohei ; Rodriguez-Herrera, Adrian ; Makimura, Dai ; Manai, Taoufik ; Ito, Toru. / A fully integrated approach for screening of well completion and stimulation methods in low permeability, heterogeneously distributed sandstone reservoirs in the deepwater slope channel, Kita-Akita oil field, Northern Japan. Society of Petroleum Engineers - SPE Asia Pacific Oil and Gas Conference and Exhibition 2018, APOGCE 2018. Society of Petroleum Engineers, 2018.
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    abstract = "The legacy of conventional fields has resulted in many low permeability reservoirs deemed sub-commercial without an appropriate stimulation strategy. With low permeabilities and potentially heterogeneous reservoir characteristics, an optimal development approach would highly depend on their specific reservoir properties that may well require stimulation methods other than hydraulic fracturing. In this paper, we present a fully integrated characterization and modeling workflow applied to the Kita-Akita oil field in northern Japan, demonstrating the screening process for multiple completion and stimulation methods in a highly heterogeneous, low permeability sandstone reservoir. To select a best completion and stimulation candidate from multiple methods, we constructed an evaluation matrix including the maturity of technologies, applicability to our reservoir, productivity, and economics. Multi-branch type completions such as radial drilling and fishbone drilling, as well as hydraulic fracturing were simulated and subsequently compared based on their productivities. Especially for the radial drilling and the fishbone drilling, a 3D FEM model was built for their complex laterals, and the inflow performances were evaluated with homogenous reservoir properties, respectively. Besides, due to the highly heterogeneous nature of the reservoir, we built a full-physics subsurface model based on a pilot-hole data acquisition and legacy 2D seismic lines. The 3D model served as a canvas to assess reservoir flow and geomechanical behavior, calibrated with production history from past producing wells in the 1950's to 1970's. Based on these models, the best infill drilling location was selected and multiple well completion and stimulation practices were evaluated. Through the screening methodology, the multi-stage hydraulic fracturing was identified as the best suited from an instantaneous productivity perspective. Yet, even though hydraulic fracturing would enhance the accessibility into multiple distinctively isolated sandstones occurring in the deepwater slope channel setting, the treatment costs exceeded the economic threshold significantly in our case. Inflow performance evaluation based on the 3D FEM modeling illustrates multi-branch type completions such as radial drilling and fishbone drilling were identified with a good stimulation skin factor. As a result of 3D simulation study, multi-branch completion was revealed as a technical and economically viable stimulation option in the heterogeneously distributed sandstone reservoirs. The advent of recent completion and stimulation techniques now renders low permeability reservoirs with relatively large development potential. Even with the development challenges quite different from conventional reservoirs, the approach shown in this paper provides a helpful reference for the study and decision-making process when the legacy field needs an optimal stimulation strategy.",
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    AU - Fuse, Kei

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    AU - Mustapha, Hussein

    AU - Tsusaka, Kimikazu

    AU - Furuta, Kohei

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