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Proceedings Papers

Advanced Borehole Image Displays in Crust-Mantle Transition

Chiaki Morelli, Shiduo Yang, Simone Di Santo, Yuki Maehara, Huimin Cai, Kyaw Moe, Yasuhiro Yamada, Juerg Matter
Paper presented at the SPWLA 29th Formation Evaluation Symposium of Japan, September 12–13, 2024
Paper Number: SPWLA-JFES-2024-T
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Proceedings Papers

Continuous DAS measurements during CCUS operations onshore Japan

Shotaro Nakayama, Yuji Yamada, Takuji Mouri, Pierre Bettinelli, Takashi Mizuno, Jianxiong Chen, Philip Armstrong, Yuki Maehara
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4095166
https://doi.org/10.1190/image2024-4095166.1
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Journal Articles

Automatic Geological Facies Analysis in Crust-Mantle Transition Zone

Chiaki Morelli, Shiduo Yang, Yuki Maehara, Huimin Cai, Kyaw Moe, Yasuhiro Yamada, Juerg Matter
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 65 (03): 342–363.
Paper Number: SPWLA-2024-v65n3a4
https://doi.org/10.30632/PJV65N3-2024a4
Published: 04 June 2024
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Proceedings Papers

AI-Boosted Geological Facies Analysis in Crust-Mantle Transition Zone

Chiaki Morelli, Shiduo Yang, Yuki Maehara, Huimin Cai, Kyaw Moe, Yasuhiro Yamada, Juerg Matter
Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-J
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View Paper titled, AI-Boosted Geological Facies Analysis in Crust-Mantle Transition Zone
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Proceedings Papers

Integrated Fracture Analysis with Borehole Geology, Acoustic and Geomechanics for Flow Zone Identification: Case Study from Volcanic Geothermal Well in Japan

Chiaki Morelli, Yuki Maehara, Hong Tian, Chang Wei Qu, Somenath Kar, Masami Ikeya, Masanori Okamoto
Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-B
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View Paper titled, Integrated Fracture Analysis with Borehole Geology, Acoustic and Geomechanics for Flow Zone Identification: Case Study from Volcanic Geothermal Well in Japan
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Proceedings Papers

Continuous Mineralogical Formation Evaluation Using Geochemical Spectroscopy Well Logs in Mantle-Crust Transition Zone: Case Study from the Scientific Oman Drilling Project

Yuki Maehara, Kyaw Moe, Yasuhiro Yamada
Paper presented at the SPWLA 26th Formation Evaluation Symposium of Japan, September 30–October 7, 2021
Paper Number: SPWLA-JFES-2021-B
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View Paper titled, Continuous Mineralogical Formation Evaluation Using Geochemical Spectroscopy Well Logs in Mantle-Crust Transition Zone: Case Study from the Scientific Oman Drilling Project
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Proceedings Papers

Facies Classification of a Complex Reservoir Using Machine Learning: Case Study from Volcanic Formation, the Yurihara Oil Field, Japan

Yuki Maehara, Takeaki Otani, Tetsuya Yamamoto
Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0037
https://doi.org/10.30632/SPWLA-2021-0037
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View Paper titled, Facies Classification of a Complex Reservoir Using Machine Learning: Case Study from Volcanic Formation, the Yurihara Oil Field, Japan
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Proceedings Papers

The Investigation of Sonic Log Response in Gas Dissolved in Water Reservoir - Case Study of Nakajo

Takuya Mizukami, Tetsuo Fukano, Takeo Aoyama, Yuki Maehara
Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-R
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View Paper titled, The Investigation of Sonic Log Response in Gas Dissolved in Water Reservoir - Case Study of Nakajo
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Proceedings Papers

Well Log Analysis for Methane Hydrate Saturation Evaluation: High-Resolution and Rock Physics

Yuki Maehara, Daichi Sato, Akira Fujimoto, Koji Yamamoto
Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-H
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View Paper titled, Well Log Analysis for Methane Hydrate Saturation Evaluation: High-Resolution and Rock Physics
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Proceedings Papers

Class-Based Machine Learning for Next-Generation Wellbore Data Processing and Interpretation

Vikas Jain, Po-Yen Wu, Ridvan Akkurt, Brooke Hodenfield, Tianmin Jiang, Yuki Maehara, Vipin Sharma, Aria Abubakar
Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-SS
https://doi.org/10.30632/T60ALS-2019_SS
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View Paper titled, Class-Based Machine Learning for Next-Generation Wellbore Data Processing and Interpretation
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Proceedings Papers

A Comprehensive Workflow Using Nuclear Magnetic Resonance (NMR) Data To Evaluate and Characterize Low Resistivity Low Contrast Reservoirs

Tianmin Jiang, Michiko Hamada, Yuki Maehara, Samira Ahmad, Aldrick Garcia Mayans, Niranjan Aryal, Hanatu Kadir
Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-O
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View Paper titled, A Comprehensive Workflow Using Nuclear Magnetic Resonance (NMR) Data To Evaluate and Characterize Low Resistivity Low Contrast Reservoirs
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Proceedings Papers

Log Interpretation of MITI Rumoi

Go Morikawa, Junji Maeda, Yuki Maehara, Lingdan Xia
Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-X
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Proceedings Papers

Delivering Improved Wellbore Stability Management in Real-Time Through Rock Strength Characterization While Drilling

Allan Reyes, Michiko Hamada, Soazig Leveque, Yuki Maehara
Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-G
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