1. Ghazali, N. A., Naganawa, S. and Masuda, Y., 2024: The Effect of High-Temperature Environment on the Rheology and Filtration Properties of Rhizophora spp. Tannin-Lignosulfonate as Bio-Based Additive in Water-Based Drilling Fluid. Journal of Petroleum Exploration and Production Technology. doi: 10.1007/s13202-023-01740-0
2. Shimomura, R., Sugawara, H., Bjarkason, E. K. and Naganawa, S., 2023: Thermal Stress Analysis Considering Casing Eccentricity in a Supercritical Geothermal Well. Geothermal Resources Council Transactions, 47, 3033–3042. GRC Geothermal Library
3. Onuki, M., Bjarkason, E. K. and Naganawa, S., 2023: Experimental Analysis of How the Form of Biodegradable Resin Drilling Fluid Additives Affects Filtration Properties and Lost Circulation Prevention Performance. Geothermal Resources Council Transactions, 47, 1104–1114. GRC Geothermal Library
4. Miyora, T., Bjarkason, E. K. and Naganawa, S., 2023: Modelling of Geothermal Cuttings Transportation During Drilling—A Case Study of Well PW-03B in Paka Geothermal Field, Kenya. Geothermal Resources Council Transactions, 47, 1045–1059. GRC Geothermal Library
5. Ishizawa, K., Bjarkason, E. K. and Naganawa, S., 2023: Optimization of Drilling Parameters for PDC Bit Drilling Medium-to-Hard Formations. Geothermal Resources Council Transactions, 47, 1019–1028. GRC Geothermal Library
6. Kitago, R., Naganawa, S. and Bjarkason, E. K., 2023: Application of Drilling Fluid Circulation Technology to Lifting System of Deep-Sea Mineral Resources. International Conference on Ocean, Offshore & Arctic Engineering (OMAE), June 11–16, Melbourne, Australia, V009T11A020. doi: 10.1115/OMAE2023-104712
7. Ajima, K., Naganawa, S. and Bjarkason, E. K., 2023: Application of Insulated Drill Pipe to Supercritical/super-Hot Geothermal Well Drilling. International Conference on Ocean, Offshore & Arctic Engineering (OMAE), June 11–16, Melbourne, Australia, V009T11A042. doi: 10.1115/OMAE2023-104713
8. Kitago, R., Naganawa, S. and Bjarkason, E. K., 2023: Subsea Lifting System for Deep-seabed Rare-earth Rich Mud, Offshore Technology Conference (OTC), May 1–4, Houston, Texas, USA, OTC-32327-MS. doi: 10.4043/32327-MS
9. Takahashi, K., Naganawa, S., Bjarkason, E. K. and Mukai, R., 2023: Filtration Properties of Biodegradable Fiber-containing Drilling Fluids for Offshore Shallow Weak Formations, Offshore Technology Conference (OTC), May 1–4, Houston, Texas, USA, OTC-32274-MS.doi: 10.4043/32274-MS
10. Ishikawa, S. and Naganawa, S., 2022: Development of Downhole Cooling Charts to Prevent Drilling Problems in Geothermal Wells through Wellbore Temperature Simulation, New Zealand Geothermal Workshop, November 23–25, Auckland, New Zealand. IGA Geothermal Paper Database
11. Shimomura, R. and Naganawa, S., 2022: Evaluation of Applicability of Reverse Circulation Primary Cementing Method in Supercritical Geothermal Wells. Geothermal Resources Council Transactions, 46, 1719–1727. GRC Geothermal Library
12. Shoji, N. and Naganawa, S., 2022: Simulation of Rock Cutting Behavior of a Single PDC Cutter for Medium-Hard to Hard Formations. Geothermal Resources Council Transactions, 46, 865–880. GRC Geothermal Library
13. Ajima, K. and Naganawa, S., 2022: Evaluating Wellbore Cooling Effect with Insulated Drill Pipes in Supercritical Geothermal Well Drilling. Geothermal Resources Council Transactions, 46, 805–818. GRC Geothermal Library
14. 長縄成実, 2021: 超臨界地熱開発のための掘削技術課題. 石油技術協会誌, 86 (5), 332–342. doi: 10.3720/japt.86.332
15. Hoshino, A., Naganawa, S., Sato, T., Ito, T. and Yoshida, Y., 2021: Numerical study on downhole temperature distribution during cementing operation for supercritical geothermal wells. Geothermal Resources Council Transactions, 45, 2056–2067. GRC Geothermal Library
16. Ishikawa, S., Naganawa, S., Saito, M. and Kai, T., 2021: Analysis of drilling problems in high temperature geothermal wells through wellbore temperature simulation. Geothermal Resources Council Transactions, 45, 534–551. GRC Geothermal Library
17. Sakuma, S., Naganawa, S., Sato, T., Ito, T. and Yoshida, Y., 2021: Evaluation of New High-Temperature Well Cement for Supercritical Geothermal Drilling. Geothermal Resources Council Transactions, 45, 268–283. GRC Geothermal Library
18. Abe, K., Inomata, T., Naganawa, S. and Fujii, H., 2021: Experimental Study on the Effect of Oil Recovery and Transportability Through the Rock Core Using SiO2 Nanoparticles Fluid for Sandstone. 5th International Conference on Chemical Investigation and Utilization of Natural Resource. doi: 10.2991/ahcps.k.211004.001
19. Asanuma, H., Mogi, T., Tsuchiya, N., Watanabe, N., Naganawa, S., Ogawa, Y., Fujimitsu, Y., Kajiwara, T., Osato, K., Shimada, K., Horimoto, S., Sato, T., Yamada, S. and Watanabe, K., 2021: Japanese Supercritical Geothermal Project for Drastic Increase of Geothermal Power Generation in 2050. World Geothermal Congress 2020+1, March–October 24–27, Online and On-Site in Reykjavik, Iceland. IGA Geothermal Paper Database
20. Yoshida, Y., Goto, Y., Sato, T., Ito, T. and Naganawa, S., 2021: Development of New Formulation of Calcium Aluminate Cement System for Ultrahigh-Temperature Supercritical Geothermal Wells. World Geothermal Congress 2020+1, March–October 24–27, Online and On-Site in Reykjavik, Iceland. IGA Geothermal Paper Database
21. Sakuma, S., Naganawa, S., Sato, T., Ito, T. and Yoshida, Y., 2021: Development of High-temperature Well Cement for Supercritical Geothermal Drilling with Consideration of Set Cement Strength. World Geothermal Congress 2020+1, March–October 24–27, Online and On-Site in Reykjavik, Iceland. IGA Geothermal Paper Database
22. Hoshino, A., Ando, R. and Naganawa, S., 2021: Numerical Study on Downhole Cooling by Mud Circulation in Supercritical Geothermal Drilling. World Geothermal Congress 2020+1, March–October 24–27, Online and On-Site in Reykjavik, Iceland. IGA Geothermal Paper Database
23. Ishioka, E., Aoki, T., Naganawa, S. and Mukai, R., 2021: Study on Applicability of a Newly-Developed Biodegradable Polymer to Fiber Mud in Geothermal Drilling. World Geothermal Congress 2020+1, March–October 24–27, Online and On-Site in Reykjavik, Iceland. IGA Geothermal Paper Database
24. Naganawa, S., Suzuki, M., Ikeda, K., Inada, N. and Sato R., 2021: Modeling of Cuttings Lag Distribution in Directional Drilling to Evaluate Depth Resolution of Mud Logging. SPE Drilling & Completion, 36 (1), 63–74. doi: 10.2118/189615-PA
25. Ando, R. and Naganawa, S., 2020: Simulating Effect of Insulated Drillpipe on Downhole Temperature in Supercritical Geothermal Well Drilling. New Zealand Geothermal Workshop, November 24–26, Virtual & Bay of Islands, Northland, New Zealand. IGA Geothermal Database
26. Aoki, T., Naganawa, S., Abe, K. and Mukai, R., 2020: Evaluating Hole Cleaning Capability of Biodegradable Fiber-Containing Drilling Fluids in Riserless Tophole Drilling. Abu Dhabi International Petroleum Exhibition and Conference (ADIPEC), November 9–12, Virtual. SPE-202711-MS. doi: 10.2118/202711-MS
27. Nanao, J. and Naganawa, S., 2020: Numerical Simulation on the Performance of Thermal-Shock Enhanced Drill Bit for Supercritical Geothermal Drilling. Geothermal Resources Council Transactions, 44, 1228–1236. GRC Geothermal Library
28. Mohammadzadeh Bina, S., Fujii, H., Tsuya, S., Kosukegawa, H., Naganawa, S. and Harada, R., 2020: Evaluation of Utilizing Horizontal Directional Drilling Technology for Ground Source Heat Pumps. Geothermics, 85, 101769. doi: 10.1016/j.geothermics.2019.101769
29. Okamoto, K., Asanuma, H., Ishibashi, T., Yamaya, Y., Saishu, H., Yanagisawa, N., Mogi, T., Tsuchiya, N., Okamoto, A., Naganawa, S., Ogawa, Y., Ishitsuka, K., Fujimitsu, Y., Kitamura, K., Kajiwara, T., Horimoto, S. and Shimada, K., 2019: Geological and Engineering Features of Developing Ultra-High-Temperature Geothermal Systems in the World. Geothermics, 82, 267–281. doi: 10.1016/j.geothermics.2019.07.002
30. Asanuma, H., Mogi, T., Tsuchiya, N., Watanabe, N., Naganawa, S., Ogawa, Y., Fujimitsu, Y., Kajiwara, T., Osato, K., Shimada, K. Horimoto, S., Sato, T., Yamada, S., Watanabe, K. and Gotoh, Y., 2019: Status of Japanese Supercritical Geothermal Project in FY2018. Geothermal Resources Council Transactions, 43, 427–433. GRC Geothermal Library
31. Naganawa, S. and Ishikawa, M., 2018: Hole Cleaning Study in Mud Cap Drilling Operation Under Loss and Influx Situation Coincident With Borehole Enlargement. Abu Dhabi International Petroleum Exhibition and Conference (ADIPEC), November 12–15, Abu Dhabi, UAE. SPE-192607-MS. doi: 10.2118/192607-MS
32. Ghazali, N. A., Naganawa, S. and Masuda, Y., 2018: Development of Modified Rhizophora spp. Tannin Biopolymer Additive in Drilling Fluid System for High Temperature Well Applications. IADC/SPE Asia Pacific Drilling Technology Conference, August 27–29, Bangkok, Thailand. SPE-191080-MS. doi: 10.2118/191080-MS
33. Ghazali, N. A., Naganawa, S., Masuda, Y., Ibrahim, W. A. and Abu Bakar, N. F., 2018: Eco-Friendly Drilling Fluid Deflocculant for Drilling High Temperature Well: A Review. International Conference on Ocean, Offshore and Arctic Engineering (OMAE), June 17–22, Madrid, Spain. doi: 10.1115/OMAE2018-78149
34. Naganawa, S., Suzuki, M., Ikeda, K., Inada, N. and Sato, R., 2018: Modeling of Cuttings Lag Distribution in Directional Drilling to Evaluate Depth Resolution of Mud Logging. IADC/SPE Drilling Conference and Exhibition, March 6–8, Fort Worth, Texas, USA. SPE-189615-MS. doi: 10.2118/189615-MS;
    Wilson, A., 2018: Cuttings-Lag Distribution in Directional Wells Affects Depth Resolution of Mud Logging. Journal of Petroleum Technology, 70 (11), 82–83. doi: 10.2118/1118-0082-JPT
35. Ghazali, N. A., Naganawa, S. and Masuda, Y., 2018: Feasibility Study of Tannin-Lignosulfonate Drilling Fluid System for Drilling Geothermal Prospect. Workshop on Geothermal Reservoir Engineering, February 12–14, Stanford, California, USA. IGA Geothermal Paper Database
36. Naganawa, S., 2018: CFD Simulation to Optimize Depressurization of Thermal-Shock Enhanced Drill Bit. Workshop on Geothermal Reservoir Engineering, February 12–14, Stanford, California, USA. IGA Geothermal Paper Database
37. Asanuma, H., Mogi, T., Tsuchiya, N., Watanabe, N., Naganawa, S., Ogawa, Y., Fujimitsu, Y., Kajiwara, T., Osato, K., Shimada, K. Horimoto, S., Sato, T., Ito, T., Yamada, S., Watanabe, K., Gotoh, Y., Nagasawa, Y. and Kohyama, A., 2018: Status report on the Japanese Supercritical Geothermal Project for FY2017. Geothermal Resources Council Transactions, 42, 2340–2344. GRC Geothermal Library
38. Naganawa, S., Kudo, H. and Matsubuchi, H., 2017: Simulation Study on Influences of Wellbore Tortuosity on Hole Cleaning in Extended-Reach Drilling. SPE Drilling & Completion, 32 (4), 277–289. SPE-183409-PA. doi: 10.2118/183409-PA
39. 長縄成実, 2017: 超深度・超高温掘削プロジェクトとそれに伴う技術開発の変遷. 石油技術協会誌, 82 (5), 324–331. doi: 10.3720/japt.82.324
40. Naganawa, S., 2017: Concept of Thermal-Shock Enhanced Drill Bit for Supercritical Geothermal Drilling. Geothermal Resources Council Transactions, 41, 406–417. GRC Geothermal Library
41. Naganawa, S., Sato, R. and Ishikawa, M., 2017: Cuttings-Transport Simulation Combined With Large-Scale-Flow-Loop Experimental Results and Logging-While-Drilling Data for Hole-Cleaning Evaluation in Directional Drilling. SPE Drilling & Completion, 32 (3), 194–207. SPE-171740-PA. doi: 10.2118/171740-PA
42. Naganawa, S., Tsuchiya, N., Okabe, T., Kajiwara, T., Shimada, K. and Yanagisawa, N. 2017: Innovative Drilling Technology for Supercritical Geothermal Resources Development. Workshop on Geothermal Reservoir Engineering, February 13–15, Stanford, California, USA. IGA Geothermal Paper Database
43. Naganawa, S., Kudo, H. and Matsubuchi, H., 2016: Simulation Study of Influences of Wellbore Tortuosity on Hole Cleaning in Extended-Reach Drilling. Abu Dhabi International Petroleum Exhibition and Conference (ADIPEC), November 7–10, Abu Dhabi, UAE. SPE-183409-MS. doi: 10.2118/183409-MS
44. 長縄成実・佐藤亮介・池田憲治・正田伸次, 2015: 高傾斜・水平坑井におけるカッティングス排出ラグ計算法の検討. 石油技術協会誌, 80 (5), 366–374. doi: 10.3720/japt.80.366
45. 長縄成実, 2015: 掘削作業におけるリスク評価とリスク管理. 石油技術協会誌, 80 (5), 324–329. doi: 10.3720/japt.80.324
46. Naganawa, S., 2015: Optimum Hydraulics Design and Operation for Extended-Reach and Horizontal Geothermal Drilling. World Geothermal Congress 2015, April 19–24, Melbourne, Australia. IGA Geothermal Paper Database
47. Naganawa, S., 2015: Survey on Effective and Feasible Emerging Technologies for EGS Well Drilling. Workshop on Geothermal Reservoir Engineering, January 26–28, Stanford, California, USA. IGA Geothermal Paper Database
48. Muraoka, H., Asanuma, H., Tsuchiya, N., Ito, T., Mogi, T., Ito, H. and the Participants of the ICDP/JBBP Workshop, 2014: The Japan Beyond-Brittle Project. Scientific Drilling, 17, 51–59. doi: 10.5194/sd-17-51-2014
49. Naganawa, S., Sato, R. and Ishikawa, M., 2014: Cuttings Transport Simulation Combined With Large-Scale Flow Loop Experiment and LWD Data Enables Appropriate ECD Management and Hole Cleaning Evaluation in Extended-Reach Drilling. Abu Dhabi International Petroleum Exhibition and Conference (ADIPEC), November 10–13, Abu Dhabi, UAE. SPE-171740-MS. doi: 10.2118/171740-MS
50. Naganawa, S. and Okabe, T., 2014: Comprehensive Studies on Hole Cleaning and ECD Management in Long Extended-Reach Geothermal Well Drilling. Workshop on Geothermal Reservoir Engineering, February 24–26, Stanford, California, USA. IGA Geothermal Paper Database
51. Okabe, T., Nakashima, S., Ujyo, S., Saito, M., Shimada, K., Sato, Y. and Naganawa, S., 2013: Control System for Drilling Geothermal Wells at High Angles of Deviation in National Parks. New Zealand Geothermal Workshop, November 17–20, Rotorua, New Zealand. IGA Geothermal Paper Database
52. Naganawa, S. and Okabe, T., 2013: Experimental and Simulation Studies on Optimum Hydraulics Conditions in Long Extended-Reach Geothermal Well Drilling. New Zealand Geothermal Workshop, November 17–20, Rotorua, New Zealand. IGA Geothermal Paper Database
53. 長縄成実, 2013: 国際陸上科学掘削超高温地熱掘削プロジェクトJBBPの実現に向けた技術開発. 石油技術協会誌, 78 (5), 360–365. doi: 10.3720/japt.78.360 doi: 10.3720/japt.78.360
54. Naganawa, S., 2013: Experimental Study of Effective Cuttings Transport in Drilling Highly Inclined Geothermal Wells. Journal of Japanese Association for Petroleum Technology, 78 (3), 257–264. doi: 10.3720/japt.78.257
55. Naganawa, S., 2012: Feasibility Study on Roller-Cone Bit Wear Detection from Axial Bit Vibration. Journal of Petroleum Science and Engineering, 82-83, 140–150. doi: 10.1016/j.petrol.2012.01.014
56. 長縄成実・岡津弘明・久保智司, 2011: 実坑井データを用いた傾斜坑井の掘屑運搬挙動と等価循環泥水比重のシミュレーション. 石油技術協会誌, 76 (5), 436–443. doi: 10.3720/japt.76.436
57. 長縄成実, 2011: 掘屑の堆積を伴う大偏距掘削時の等価循環泥水比重の挙動. 石油技術協会誌, 76 (4), 302–309. doi: 10.3720/japt.76.302
58. 長縄成実, 2010: 掘屑運搬シミュレーションにおけるHerschel-Bulkleyレオロジーモデル導入の有効性について. 石油技術協会誌, 75 (1), 89–97. doi: 10.3720/japt.75.89
59. Naganawa, S. and Okatsu, K., 2008: Fluctuation of Equivalent Circulating Density in Extended Reach Drilling with Repeated Formation and Erosion of Cuttings Bed. IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, Jakarta, Indonesia. SPE-115149-MS. doi: 10.2118/115149-MS;
    Bybee, K., 2009: Equivalent-Circulating-Density Fluctuation in Extended-Reach Drilling. Journal of Petroleum Technology, 61 (2), 64–67. doi: 10.2118/0209-0064-JPT
60. 長縄成実・佐藤光三・荒川英一, 2008: エタノールベントナイト混合液の多孔質媒体内への圧入と孔隙の閉塞に関する実験. 石油技術協会誌, 73 (4), 287–295. doi: 10.3720/japt.73.287
61. 長縄成実・植松 浩・高橋 浩・増田昌敬・大備勝洋, 2007: 2層モデルによる傾斜坑井の掘屑運搬挙動のモデル化. 石油技術協会誌, 72 (3), 269–278. doi: 10.3720/japt.72.269
62. 長縄成実・及川敦司・飯尾勝城・増田昌敬・大備勝洋, 2006: 傾斜坑井掘削時の掘屑運搬挙動に関する実験的研究. 石油技術協会誌, 71 (6), 609–617. doi: 10.3720/japt.71.609
63. 長縄成実, 2006: カッティングストランスポートシミュレータの開発. 石油技術協会誌, 71 (5), 436–444. doi: 10.3720/japt.71.436
64. Naganawa, S. and Nomura, T., 2006: Simulating Transient Behavior of Cuttings Transport over Whole Trajectory of Extended Reach Well. IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 13–15, Bangkok, Thailand. SPE-103923-MS. doi: 10.2118/103923-MS
65. 長縄成実, 2005: ビット振動データを利用したローラーコーンビットのコーン回転速度の推定. 石油技術協会誌, 70 (5), 477–487. doi: 10.3720/japt.70.477
66. 長縄成実, 2005: ローラーコーンビットの軸方向振動に関する動力学モデル. 石油技術協会誌, 70 (4), 333–346. doi: 10.3720/japt.70.333
67. Doan, Q. T., Oguztoreli, M., Masuda, Y., Yonezawa, T., Kobayashi, A., Naganawa, S. and Kamp, A., 2003: Modeling of Transient Cuttings Transport in Underbalanced Drilling (UBD). SPE Journal, 8 (2), 160–170. SPE-85061-PA. doi: 10.2118/85061-PA
68. Naganawa, S., Oikawa, A., Masuda, Y., Yonezawa, T., Hoshino, M. and Acuña, P., 2002: Cuttings Transport in Directional and Horizontal Wells While Aerated Mud Drilling. IADC/SPE Asia Pacific Drilling Technology, September 9–11, Jakarta, Indonesia. SPE-77195-MS. doi: 10.2118/77195-MS
69. Masuda, Y., Doan, Q., Oguztoreli, M., Naganawa, S., Yonezawa, T., Kobayashi, A. and Kamp, A., 2000: Critical Cuttings Transport Velocity in Inclined Annulus: Experimental Studies and Numerical Simulation. SPE/Petroleum Society of CIM International Conference on Horizontal Well Technology, September 11–13, Kuala Lumpur, Malaysia. SPE-65502-MS. doi: 10.2118/65502-MS
70. 長縄成実, 1997: 室内実験によるローラービットの振動特性の解析. 石油技術協会誌, 62 (3), 203–214. doi: 10.3720/japt.62.203
71. 佐藤光夫・長縄成実・田中彰一, 1990: ローラコーンビットによるビット荷重とトルクの振動特性に関する基礎的研究. 石油技術協会誌, 55 (2), 97–112. doi: 10.3720/japt.55.97

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1. Asanuma, H., Mogi, T., Tsuchiya, N., Watanabe, N., Naganawa, S., Ogawa, Y., Fujimitsu, Y., Kajiwara, T., Osato, K., Shimada, K., Horimoto, S., Sato, T., Ito, T., Yamada, S., Kondo, S., Watanabe, K., Gotoh, Y., Okada, H., Yoshida, Y., Nagasawa, Y. and Koyama, A., 2018: Current Status of Research and Development on Supercritical Geothermal Resources in Japan. Grand Renewable Energy 2018 International Conference and Exhibition, June 17–22, Yokohama, Japan.
2. Masuda, Y., Usui, K., Tosuji, Y., Naganawa, S., Yasue, M., Liang, Y. and Tenma, N, 2017: Study on Flow Behavior of CO₂-in-Water (C/W) Emulsion in the Porous Medium Under Hydrate Stability Conditions. AIChE Annual Meeting, October 29–November 3, Minneapolis, Minnesota, USA.
3. Naganawa, S., 2017: Concept of Thermal-Shock Enhanced Drill Bit for Supercritical Geothermal Drilling. GRC Annual Meeting & GEA GeoExpo+, October 1–4, Salt Lake City, Utah, USA. (Poster Presentation)
4. Naganawa, S., 2016: Drilling Technology Development for Supercritical Geothermal Resources in Japan. IEA Central and South American Workshop on Geothermal Energy, April 18–19, Cuernavaca, Mexico. (Invited Lecture) Power Point Presentation on IEA Workshop Website
5. Naganawa, S., 2014: Critical Issues in Drilling JBBP Wells and HP/HT Technology Update. International Workshop on Water Dynamics, March 12–14, Sendai, Japan. (Invited Lecture)
6. Naganawa, S., 2013: Drilling Technologies in Harsh HP/HT Environment. ICDP Workshop: Japan Beyond-Brittle Project (JBBP), March 12–16, Sendai, Japan. (Invited Lecture)
7. Masuda, Y., Maruta, H., Naganawa, S., Amikawa, K., Nagao, J., Haneda, H. and Konno, Y., 2011: Methane Recovery from Hydrate-Bearing Sediments by N₂-CO₂ Gas Mixture Injection: Experimental Investigation on CO₂-CH₄ Exchange Ratio. International Conference on Gas Hydrates (ICGH-7), July 17–21, Edinburgh, The United Kingdom.
8. Masuda, Y., Naganawa, S., Doan, Q., Yonezawa, T., Kobayashi, A. and Kamp, A., 2000: Experimental Study to Determine Critical Flow Rate of Cuttings Transport During Underbalanced Drilling. Paper SPE 62737 presented at the IADC/SPE Asia Pacific Drilling Technology, September 11–13, Kuala Lumpur, Malaysia.
9. Masuda, Y., Fujinaga, Y., Naganawa, S., Fujita, K., Sato, K. and Hayashi, Y., 1999: Modeling and Experimental Studies on Dissociation of Methane Gas Hydrates in Berea Sandstone Cores. International Conference on Gas Hydrates (ICGH-3), July 18–22, Salt Lake City, Utah, USA.
10. Masuda, Y., Fujita, K., Fujinaga, Y., Naganawa, S., Kodaira, H., Hayashi, Y., Sato, K. and Ichikawa, M., 1998: Development of a Numerical Model for Predicting Hydrate-Decomposition Behavior in Reservoirs. International Symposium on Methane Hydrates: Resources in the Near Future?, October 20–22, Chiba, Japan.
11. Masuda, Y., Naganawa, S., Ando, S. and Sato, K., 1997: Numerical Calculation of Gas Production Performance from Reservoirs Containing Natural Gas Hydrates. Paper SPE 38291 presented at the SPE Western Regional Meeting, June 23–27, Long Beach, California, USA.
12. Masuda, Y., Naganawa, S., Ando, S. and Sato, K., 1997: Numerical Calculation of Gas Production Performance from Reservoirs Containing Natural Gas Hydrates. Paper SPE 38291 presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, April 14–16, Kuala Lumpur, Malaysia.
13. Naganawa, S., Tanaka, S. and Sugaya, N., 1995: Experimental and Theoretical Analysis of Roller Cone Bit Vibrations. ASME Energy-sources Technology Conference and Exhibition, January 29–February 1, Houston, Texas, USA.