1-20 of 42
Takeshi Komai
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Permeability Enhancement by Selective Mineral Dissolution of Rocks in Geothermal Environments

Luis Salalá, Ryota Takahashi, Noriaki Watanabe, Kengo Nakamura, Noriyoshi Tsuchiya, Takeshi Komai
Paper presented at the SPWLA 26th Formation Evaluation Symposium of Japan, September 30–October 7, 2021
Paper Number: SPWLA-JFES-2021-J
Add To Cart
View Paper titled, Permeability Enhancement by Selective Mineral Dissolution of Rocks in Geothermal Environments
Open the PDF for Permeability Enhancement by Selective Mineral Dissolution of Rocks in Geothermal Environments in another window
Add to Citation Manager
Proceedings Papers

Flow-Induced Microfracturing of Granite in Conventional and Superhot Geothermal Environments

Ryota Goto, Eko Pramudyo, Noriaki Watanabe, Kiyotoshi Sakaguchi, Youqing Chen, Takeshi Komai
Paper presented at the SPWLA 26th Formation Evaluation Symposium of Japan, September 30–October 7, 2021
Paper Number: SPWLA-JFES-2021-K
Add To Cart
View Paper titled, Flow-Induced Microfracturing of Granite in Conventional and Superhot Geothermal Environments
Open the PDF for Flow-Induced Microfracturing of Granite in Conventional and Superhot Geothermal Environments in another window
Add to Citation Manager
Journal Articles

Experimental and Numerical Studies on Dissociation of Methane Hydrate by Simultaneous Injection of Nitrogen and Hot Water

Yasuhide Sakamoto, Yusuke Nakano, Fuyuki Kaneko, Kengo Nakamura, Takeshi Komai
Journal: International Journal of Offshore and Polar Engineering
Publisher: International Society of Offshore and Polar Engineers
Int. J. Offshore Polar Eng. 31 (02): 186–198.
Paper Number: IJOPE-21-31-2-186
https://doi.org/10.17736/ijope.2021.jc793
Published: 01 June 2021
Add To Cart
View article titled, Experimental and Numerical Studies on Dissociation of Methane Hydrate by Simultaneous Injection of Nitrogen and Hot Water
Open the PDF for Experimental and Numerical Studies on Dissociation of Methane Hydrate by Simultaneous Injection of Nitrogen and Hot Water in another window
Add to Citation Manager
Journal Articles

Numerical Simulation of a Laboratory-scale Experiment for the Hydrate Dissociation Process in Porous Media by Acid Injection

Yasuhide Sakamoto, Yusuke Nakano, Fuyuki Kaneko, Kengo Nakamura, Takeshi Komai
Journal: International Journal of Offshore and Polar Engineering
Publisher: International Society of Offshore and Polar Engineers
Int. J. Offshore Polar Eng. 30 (04): 501–512.
Paper Number: ISOPE-20-30-4-501
https://doi.org/10.17736/ijope.2020.jc790
Published: 01 December 2020
Add To Cart
View article titled, Numerical Simulation of a Laboratory-scale Experiment for the Hydrate Dissociation Process in Porous Media by Acid Injection
Open the PDF for Numerical Simulation of a Laboratory-scale Experiment for the Hydrate Dissociation Process in Porous Media by Acid Injection in another window
Add to Citation Manager
Journal Articles

Numerical Study on the Application of In situ Low-Temperature Oxidation for Enhanced Recovery from Methane Hydrate Reservoir

Yasuhide Sakamoto, Fuyuki Kaneko, Yusuke Nakano, Kengo Nakamura, Takeshi Komai
Journal: International Journal of Offshore and Polar Engineering
Publisher: International Society of Offshore and Polar Engineers
Int. J. Offshore Polar Eng. 30 (02): 228–239.
Paper Number: ISOPE-20-30-2-228
https://doi.org/10.17736/ijope.2020.jc760
Published: 01 June 2020
Add To Cart
View article titled, Numerical Study on the Application of In situ Low-Temperature Oxidation for Enhanced Recovery from Methane Hydrate Reservoir
Open the PDF for Numerical Study on the Application of In situ Low-Temperature Oxidation for Enhanced Recovery from Methane Hydrate Reservoir in another window
Add to Citation Manager
Proceedings Papers

Fracture and Permeability of Granite in Superhot Geothermal Environments

Noriaki Watanabe, Kiyotoshi Sakaguchi, Hanae Saishu, Ryota Goto, Takuya Ishibashi, Atsushi Okamoto, Youqing Chen, Steven E. Ingebritsen, Takeshi Komai, Noriyoshi Tsuchiya
Paper presented at the 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, December 1–4, 2019
Paper Number: ISRM-YSRM-2019-004
Add To Cart
View Paper titled, Fracture and Permeability of Granite in Superhot Geothermal Environments
Open the PDF for Fracture and Permeability of Granite in Superhot Geothermal Environments in another window
Add to Citation Manager
Proceedings Papers

Supercritical Carbon Dioxide Fracturing of Granite From Conventional to Superhot Geothermal Conditions

Eko Pramudyo, Noriaki Watanabe, Sho Takeyama, Ryota Goto, Takahiro Miura, Kohki Hattori, Kiyotoshi Sakaguchi, Takeshi Komai
Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-E
Add To Cart
View Paper titled, Supercritical Carbon Dioxide Fracturing of Granite From Conventional to Superhot Geothermal Conditions
Open the PDF for Supercritical Carbon Dioxide Fracturing of Granite From Conventional to Superhot Geothermal Conditions in another window
Add to Citation Manager
Journal Articles

Numerical Study on Enhanced Gas Recovery from Methane Hydrate Reservoir During In-situ Heating Process by Acid Injection

Yasuhide Sakamoto, Fuyuki Kaneko, Yusuke Nakano, Kengo Nakamura, Takeshi Komai
Journal: International Journal of Offshore and Polar Engineering
Publisher: International Society of Offshore and Polar Engineers
Int. J. Offshore Polar Eng. 29 (03): 347–358.
Paper Number: ISOPE-19-29-3-347
https://doi.org/10.17736/ijope.2019.jc744
Published: 01 September 2019
Add To Cart
View article titled, Numerical Study on Enhanced Gas Recovery from Methane Hydrate Reservoir During In-situ Heating Process by Acid Injection
Open the PDF for Numerical Study on Enhanced Gas Recovery from Methane Hydrate Reservoir During In-situ Heating Process by Acid Injection in another window
Add to Citation Manager
Proceedings Papers

Experimental Investigation on Changes in Mechanical Properties of Volcanic Sandstones Under CO 2 Geological Storage Conditions

Koki Hattori, Noriaki Watanabe, Atsushi Okamoto, Kengo Nakamura, Takeshi Komai, Tetsuya Tamagawa
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-061
Add To Cart
View Paper titled, Experimental Investigation on Changes in Mechanical Properties of Volcanic Sandstones Under CO 2 Geological Storage Conditions
Open the PDF for Experimental Investigation on Changes in Mechanical Properties of Volcanic Sandstones Under CO 2 Geological Storage Conditions in another window
Add to Citation Manager
Proceedings Papers

Simultaneous Olivine Alteration and Carbonation in CO2-Rich Geological Condition

Jiajie Wang, Kengo Nakamura, Noriaki Watanabe, Takeshi Komai
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-634
Add To Cart
View Paper titled, Simultaneous Olivine Alteration and Carbonation in CO2-Rich Geological Condition
Open the PDF for Simultaneous Olivine Alteration and Carbonation in CO2-Rich Geological Condition in another window
Add to Citation Manager
Proceedings Papers

Experimental Study on Acid Injection for Enhanced Gas Recovery From Gas Hydrate Reservoir

Yusuke Nakano, Fuyuki Kaneko, Kengo Nakamura, Yasuhide Sakamoto, Takeshi Komai
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-635
Add To Cart
View Paper titled, Experimental Study on Acid Injection for Enhanced Gas Recovery From Gas Hydrate Reservoir
Open the PDF for Experimental Study on Acid Injection for Enhanced Gas Recovery From Gas Hydrate Reservoir in another window
Add to Citation Manager
Proceedings Papers

The Effect of Reaction Heat by Acid Injection for Enhanced Gas Recovery From Methane Hydrate Reservoir

Fuyuki Kaneko, Kengo Nakamura, Yasuhide Sakamoto, Noriaki Watanabe, Takeshi Komai
Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-D
Add To Cart
View Paper titled, The Effect of Reaction Heat by Acid Injection for Enhanced Gas Recovery From Methane Hydrate Reservoir
Open the PDF for The Effect of Reaction Heat by Acid Injection for Enhanced Gas Recovery From Methane Hydrate Reservoir in another window
Add to Citation Manager
Proceedings Papers

Numerical Simulation of Gas Hydrate Bearing Sediments for Enhanced Recovery Using Partial Oxidation Method

Takeshi Komai, Yasuhide Sakamoto, Atsushi Kishita, Noriaki Watanabe
Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-562
Add To Cart
View Paper titled, Numerical Simulation of Gas Hydrate Bearing Sediments for Enhanced Recovery Using Partial Oxidation Method
Open the PDF for Numerical Simulation of Gas Hydrate Bearing Sediments for Enhanced Recovery Using Partial Oxidation Method in another window
Add to Citation Manager
Proceedings Papers

X-Ray CT Based Numerical Analysis for Fluid Flows Through Vuggy Carbonate Cores

Hikaru Kusanagi, Noriaki Watanabe, Takashi Shimazu, Masahiko Yagi, Takeshi Komai, Noriyoshi Tsuchiya
Paper presented at the SPWLA 20th Formation Evaluation Symposium of Japan, October 1–2, 2014
Paper Number: SPWLA-JFES-2014-N
Add To Cart
View Paper titled, X-Ray CT Based Numerical Analysis for Fluid Flows Through Vuggy Carbonate Cores
Open the PDF for X-Ray CT Based Numerical Analysis for Fluid Flows Through Vuggy Carbonate Cores in another window
Add to Citation Manager
Proceedings Papers

Geochemical and Statistical Analysis of Heavy Metals and Elements in Tsunami Deposits at Coastal Areas of Northeastern Japan

Takeshi Komai, Tatsu Kuwatani, Yoshishige Kawabe, Junko Hara, Noriyoshi Tsuchiya
Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-419
Add To Cart
View Paper titled, Geochemical and Statistical Analysis of Heavy Metals and Elements in Tsunami Deposits at Coastal Areas of Northeastern Japan
Open the PDF for Geochemical and Statistical Analysis of Heavy Metals and Elements in Tsunami Deposits at Coastal Areas of Northeastern Japan in another window
Add to Citation Manager
Proceedings Papers

Status of Methane Hydrates Production R&D and Enhanced Recovery Technologies

Takeshi Komai
Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-173
Add To Cart
View Paper titled, Status of Methane Hydrates Production R&D and Enhanced Recovery Technologies
Open the PDF for Status of Methane Hydrates Production R&D and Enhanced Recovery Technologies in another window
Add to Citation Manager
Journal Articles

Characterization of Hydraulic Permeability And Pore-Size Distribution of Methane Hydrate-Bearing Sediment Using Proton Nuclear Magnetic Resonance Measurement

Hideki Minagawa, Kosuke Egawa, Yasuhide Sakamoto, Takeshi Komai, Norio Tenma, Hideo Narita
Journal: International Journal of Offshore and Polar Engineering
Publisher: International Society of Offshore and Polar Engineers
Int. J. Offshore Polar Eng. 22 (04).
Paper Number: ISOPE-12-22-4-306
Published: 01 December 2012
Add To Cart
View article titled, Characterization of Hydraulic Permeability And Pore-Size Distribution of Methane Hydrate-Bearing Sediment Using Proton Nuclear Magnetic Resonance Measurement
Open the PDF for Characterization of Hydraulic Permeability And Pore-Size Distribution of Methane Hydrate-Bearing Sediment Using Proton Nuclear Magnetic Resonance Measurement in another window
Add to Citation Manager
Proceedings Papers

Characterization of Hydraulic Permeability of Methane-Hydrate-Bearing Sediment Estimated By T2-Distribution of Proton NMR.

Hideki Minagawa, Kosuke Egawa, Yasuhide Sakamoto, Takeshi Komai, Norio Tenma, Hideo Narita
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-041
Add To Cart
View Paper titled, Characterization of Hydraulic Permeability of Methane-Hydrate-Bearing Sediment Estimated By T2-Distribution of Proton NMR.
Open the PDF for Characterization of Hydraulic Permeability of Methane-Hydrate-Bearing Sediment Estimated By T2-Distribution of Proton NMR. in another window
Add to Citation Manager
Proceedings Papers

Degree of Experience And Durability - Indices For Two Types of Extrapolating Sea Extremes

Takeshi Komai, Yoshishige Kawabe, Rinya Takahashi
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-377
Add To Cart
View Paper titled, Degree of Experience And Durability - Indices For Two Types of Extrapolating Sea Extremes
Open the PDF for Degree of Experience And Durability - Indices For Two Types of Extrapolating Sea Extremes in another window
Add to Citation Manager
Proceedings Papers

Geochemical Survey of Tsunami Sediments And Transport of Toxic Elements From Offshore Environment - Urgent Investigation For Earthquake March 11, 2011 -

Takeshi Komai, Yoshishige Kawabe, Junko Hara, Yasuhide Sakamoto, Ming Zhang
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-376
Add To Cart
View Paper titled, Geochemical Survey of Tsunami Sediments And Transport of Toxic Elements From Offshore Environment - Urgent Investigation For Earthquake March 11, 2011 -
Open the PDF for Geochemical Survey of Tsunami Sediments And Transport of Toxic Elements From Offshore Environment - Urgent Investigation For Earthquake March 11, 2011 - in another window
Add to Citation Manager

Product(s) added to cart

Go to Cart Continue Browsing
Close Modal