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Keywords: reservoir
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Proceedings Papers

Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-F
... that the quantitative evaluation of vugs and fractures is the key point to a good karst dolomite reservoir. However, due to the limited resolution of conventional logs and strong heterogeneity of carbonate reservoir, conventional open hole logs and seismic data have limitation to provide the details of secondary pore...
Proceedings Papers

Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-D
... Abstract Pore structure evaluation was of great importance in improving reservoirs characterization and validity prediction, especially in unconventional reservoirs. The nuclear magnetic resonance (NMR) log was considered to be advantageous in formation pore structure characterization...
Proceedings Papers

Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-E
... Abstract Surface water invasion reservoir was defined as such type of reservoir that connected to surface due to tectonism (e.g., denude, discordance) or fractures. Surface fresh water with ultra-low concentration was invaded into formation pore spaces, and this led to the coexistence of high...
Proceedings Papers

Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-M
... Abstract Tight sandstone reservoir characterization and validity evaluation faced great challenge due to the complicated pore structure and strong heterogeneity. Generally, the nuclear magnetic resonance (NMR) logging was used to characterize pore structure to improve tight sandstone...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-F
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- WELL LOG ANALYSIS FOR SURVEYING OPTIMUM CCS RESERVOIR LOCATION A CASE STUDY Kunio Akihisa1., Shingo Tokuyasu2., Kohei Takayama2., Kohei Yamaguchi3. 1. Oil Research, Limited 2. NC Geophysical Survey Company Limited 3...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-R
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- THE INVESTIGATION OF SONIC LOG RESPONSE IN GAS DISSOLVED IN WATER RESERVOIR CASE STUDY OF NAKAJO Takuya Mizukami1, Tetsuo Fukano1, Takeo Aoyama1 and Yuki Maehara 2 1. JX Nippon Oil & Gas Exploration Corporation (JX Nippon...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-J
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- APPLICABILITY OF LOW-SALINITY EOR TO AN OFFSHORE CLASTIC RESERVOIR IN VIETNAM THROUGH EXPERIMENTS AND SIMULATION Ryoichi Morishita 1, Ryusuke Matsuyama 1, Masazumi Takayanagi 1, Satoru Takahashi 1, Din Duc Huy 2, Pham...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-N
... sections in the Marrat reservoir of the Jurassic formations have traditionally required several wireline logging and hole conditioning runs for comprehensive petrophysical interpretation and completion design. As the planned well inclinations increase to maximize reservoir exposure and sweep efficiency, WL...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-O
... and exploiting of these targets present technical and operational challenges. Not only the horizontal well needs to be optimally placed within complex target zone, the lateral also needs to be placed close to the reservoir top to keep it away from the unknown current fluid contact. Real-time evaluation...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-M
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- APPLICATION OF FPWD TO THE RESERVOIR DESCRIPTION AND COMPLETION OPTIMIZATION IN HIGHLY DEVIATED WELLS IN SOUTH CHINA SEA Sheng Lin HE1, Lei ZHANG2, Shim Yen Han2, Sai Jun DING2, Xiao Jie GUO2 1. CNOOC Zhanjiang 2...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-G
... scenarios to identify gas or CO 2 in reservoirs and determine the gas saturation with case studies (Iglesias et al., 2016; Rose et al., 2017). Simulated log response in a forward formation model of shale and sand, that shows FNXS is sensitive to gas-filled porosity variation, but insensitive to liquid...
Proceedings Papers

Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-Q
... permeability has been overlooked; the result therefore can lead to the big error for production prediction in the early stage of life cycle, especially in complex reservoir system, such as heterogeneity and low permeability formations etc., consequently impact the decision-making process of completion schemes...
Proceedings Papers

Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-D
... ABSTRACT Reservoir heterogeneity is the key factor which impact production, the water flooding efficiency and ultimate hydrocarbon recovery during the reservoir development. Reliable productivity evaluation from early stage is needed to understand reservoir characteristics and minimize...
Proceedings Papers

Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-D
...The 23rd Formation Evaluation Symposium of Japan, October 11-12, 2017 -1- THE EFFECT OF REACTION HEAT BY ACID INJECTION FOR ENHANCED GAS RECOVERY FROM METHANE HYDRATE RESERVOIR Fuyuki Kaneko 1 , Kengo Nakamura 1 , Yasuhide Sakamoto 2 , Noriaki Watanabe 1 and Takeshi Komai 1 1. Tohoku University 2...

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