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タイトル: Measurement of thermal conductivities of drill cuttings and quantification of the contribution of thermal conduction to the temperature log of the Hachimantai geothermal field, Japan
著者: Sugamoto, Haruto
Ishitsuka, Kazuya  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-4462-4598 (unconfirmed)
Lin, Weiren
Sakai, Takemi
著者名の別形: 菅本, 大仁
石塚, 師也
林, 為人
キーワード: Drill cuttings
Thermal conductivity
Transient plane source method
Pyroclastic rock
Igneous rock
Temperature profile
発行日: Jul-2023
出版者: Elsevier BV
誌名: Geothermics
巻: 112
論文番号: 102742
抄録: This study proposed and evaluated a method of measuring the thermal conductivity (TC) of drill cuttings from several igneous and pyroclastic rocks using the transient plane source principle, which allows quick and reliable measurements. The estimated bulk TCs of rocks were within an error of <10%, and suitable models were found. Measurements were applied to drill cuttings obtained along a well in the Hachimantai geothermal field, Japan, and TCs were obtained at ∼25 m intervals to a depth of 1700 m. Our analysis of the temperature profile using estimated TCs suggest the possible presence of fluid-flow zones in the well.
著作権等: © 2023 The Authors. Published by Elsevier Ltd.
This is an open access article under the CC BY license.
URI: http://hdl.handle.net/2433/284029
DOI(出版社版): 10.1016/j.geothermics.2023.102742
出現コレクション:学術雑誌掲載論文等

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