Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Naoki Sakiyama"'
Publikováno v:
Day 3 Thu, September 23, 2021.
Borehole images have long been used for various applications related to geological interpretation, geomechanics and well-placement objectives. Based on the physical measurement used, the resolution and detection limit of the image logs vary considera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f60e8365f8de7fa1016e4f028e3caa65
https://doi.org/10.2118/206264-ms
https://doi.org/10.2118/206264-ms
Autor:
Pushpendra Kumar, Jitesh Vij, Juli Singh, Hiroaki Yamamoto, Sachit Saumya, Bharat Narasimhan, Naoki Sakiyama
Publikováno v:
Marine and Petroleum Geology. 108:562-569
Gas hydrates are ice-like crystalline minerals with high energy concentrations, which generally occur in deepwater environments, at low temperature and high pressure, usually close to the seafloor. Gas hydrate research wells are normally drilled rise
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3fa96f1aee3fd850fb93ad03ab05246
https://doi.org/10.1016/j.marpetgeo.2018.10.011
https://doi.org/10.1016/j.marpetgeo.2018.10.011
Autor:
Hiroshi Nakajima, Hiroshi Hori, Syed Muhammad Fahim Ud Din, Mark G. Kittridge, Hiroaki Yamamoto, Matthew Blyth, Adam Haecker, Naoki Sakiyama
Publikováno v:
SPWLA 61st Annual Online Symposium Transactions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d335b5ef57a0414835d248162b4e6e6
https://doi.org/10.30632/spwla-5077
https://doi.org/10.30632/spwla-5077
Publikováno v:
Day 4 Thu, May 07, 2020.
The largest risks in deepwater well construction often occur in the shallow, surface hole sections where seismic uncertainty is high. This seismic uncertainty translates into increased error when estimating the position and extent of shallow hazards
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::940ed5fda57c794e0330c6c5bd8bd4ab
https://doi.org/10.4043/30696-ms
https://doi.org/10.4043/30696-ms
Publikováno v:
GEOPHYSICS. 82:D353-D368
The borehole acoustic reflection survey (BARS) is a method for imaging near-borehole structures using waveforms acquired by a sonic logging tool: Signals from a monopole or dipole source are reflected from geologic interfaces and recorded by arrays o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0887990975f471040a78773d28f53f6f
https://doi.org/10.1190/geo2017-0201.1
https://doi.org/10.1190/geo2017-0201.1
Autor:
Mark G. Kittridge, Matthew Blyth, Syed Muhammad Fahim Ud Din, Hiroaki Yamamoto, Naoki Sakiyama, Hiroshi Nakajima, Hiroshi Hori
Publikováno v:
Proceedings of the 8th Unconventional Resources Technology Conference.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5bd4b9100ffd8fc7a4356761ed25f37
https://doi.org/10.15530/urtec-2020-2169
https://doi.org/10.15530/urtec-2020-2169
Publikováno v:
SEG Technical Program Expanded Abstracts 2017.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac93e404d8191a4860769a218b2ea513
https://doi.org/10.1190/segam2017-17640554.1
https://doi.org/10.1190/segam2017-17640554.1
Autor:
Edgar Velez, Yuichiro Wada, Toshimichi Wago, Yohei Kajikawa, Naoki Sakiyama, Takeshi Endo, Akito Shigekane, Peter Wells, Masahide Tohda, Sachin Bammi, Toshihiro Kinoshita
Publikováno v:
Day 3 Wed, September 28, 2016.
The quantification of anisotropy in horizontal wells, common in shale reservoirs, with dipole sonic featuring a unique through-the-bit conveyance is presented. Anisotropy and fracture evaluation with multipole sonic logging provides essential informa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::904c785224db20d7c87aeb795c5db6b9
https://doi.org/10.2118/181316-ms
https://doi.org/10.2118/181316-ms
Publikováno v:
SEG Technical Program Expanded Abstracts 2016.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::970c9796b1e34ba148eea972dff4f852
https://doi.org/10.1190/segam2016-13364233.1
https://doi.org/10.1190/segam2016-13364233.1
Autor:
Evgeniya Deger, Hiroshi Nakajima, Hiroshi Hori, Shin'ichi Houshuyama, Naoki Sakiyama, Atsushi Oshima
Publikováno v:
The Journal of the Acoustical Society of America. 144:1759-1759
Probing acoustic wave velocities of earth formations, both in azimuth and radius, is important when evaluating anisotropy and/or heterogeneity of the formations. A conventional approach for evaluating these complex formations is to employ a sonic log
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f8bae1476e5870e55fdbdc6043104ea
https://doi.org/10.1121/1.5067785
https://doi.org/10.1121/1.5067785