Exploration on deep water hydrothermal sediments with logging while drilling at okinawa trough (SIP-II)

Yoshinori Sanada, Saneatsu Saito, Yohei Hamada, Yukari Kido, Hidenori Kumagai, Tetsuo Nozaki, Junichiro Ishibashi, Lena Maeda

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

The CK16-01/Expedition 908 was conducted at the active hydrothermal field in the Iheya-North Knoll and Noho in Okinawa trough Japan by D/V Chikyu in Feb-Mar 2016. This expedition drilled hydrothermal fields recently discovered in the Iheya Small Ridge (Noho site: as reported in the JOGMEC news release on December 4, 2014) using LWD and geothermal tools. The purpose of this study in 2016 are to establish the origin and development model of deep water hydrothermal deposit, and to examine continuity of reservoir and mineral deposits in this area. The project was a part of “Scientific Research on Genesis of Marine Resources” for “Next-generation Technology for Ocean Resources Exploration,” of the Cross-ministerial Strategic Innovation Promotion Program (SIP). LWD was conducted at 3 sites in Iheya-North Knoll and at 4 site in Noho. The gamma ray, various resistivities, and high resolution resistivity borehole image allows us to understand the futures of hydrothermal sediments. Real-time annular pressure and temperature allow us to analyze dynamic thermal formation fluid flow. The cores were acquired and quick measurement and analysis were carried out by onboard scientists. Monitoring devices were successfully installed at active hydrothermal field in Iheya and Noho to record temperature, pressure and flow rate of the hot fluid, and to observe its process of deposits.

Original languageEnglish
Publication statusPublished - Jan 1 2016
Event22nd Formation Evaluation Symposium of Japan 2016 - Chiba, Japan
Duration: Sep 29 2016Sep 30 2016

Other

Other22nd Formation Evaluation Symposium of Japan 2016
CountryJapan
CityChiba
Period9/29/169/30/16

Fingerprint

electrical resistivity
Drilling
Sediments
trough
innovation
Deposits
deep water
Innovation
drilling
hydrothermal deposit
Mineral resources
Water
marine resource
mineral deposit
Boreholes
Gamma rays
sediment
fluid flow
Flow of fluids
borehole

All Science Journal Classification (ASJC) codes

  • Geology
  • Energy Engineering and Power Technology
  • Economic Geology
  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology

Cite this

Sanada, Y., Saito, S., Hamada, Y., Kido, Y., Kumagai, H., Nozaki, T., ... Maeda, L. (2016). Exploration on deep water hydrothermal sediments with logging while drilling at okinawa trough (SIP-II). Paper presented at 22nd Formation Evaluation Symposium of Japan 2016, Chiba, Japan.

Exploration on deep water hydrothermal sediments with logging while drilling at okinawa trough (SIP-II). / Sanada, Yoshinori; Saito, Saneatsu; Hamada, Yohei; Kido, Yukari; Kumagai, Hidenori; Nozaki, Tetsuo; Ishibashi, Junichiro; Maeda, Lena.

2016. Paper presented at 22nd Formation Evaluation Symposium of Japan 2016, Chiba, Japan.

Research output: Contribution to conferencePaper

Sanada, Y, Saito, S, Hamada, Y, Kido, Y, Kumagai, H, Nozaki, T, Ishibashi, J & Maeda, L 2016, 'Exploration on deep water hydrothermal sediments with logging while drilling at okinawa trough (SIP-II)' Paper presented at 22nd Formation Evaluation Symposium of Japan 2016, Chiba, Japan, 9/29/16 - 9/30/16, .
Sanada Y, Saito S, Hamada Y, Kido Y, Kumagai H, Nozaki T et al. Exploration on deep water hydrothermal sediments with logging while drilling at okinawa trough (SIP-II). 2016. Paper presented at 22nd Formation Evaluation Symposium of Japan 2016, Chiba, Japan.
Sanada, Yoshinori ; Saito, Saneatsu ; Hamada, Yohei ; Kido, Yukari ; Kumagai, Hidenori ; Nozaki, Tetsuo ; Ishibashi, Junichiro ; Maeda, Lena. / Exploration on deep water hydrothermal sediments with logging while drilling at okinawa trough (SIP-II). Paper presented at 22nd Formation Evaluation Symposium of Japan 2016, Chiba, Japan.
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