This study presents an approach to optimize the design of hydraulic fracture treatments in the low permeability area of the Lower Miocene sandstone reservoir in the Cuu Long Basin of Southern Vietnam. Six major design variables were influenced by the fracture length, which enhanced oil production when the fracture length was maximized. Thus, the fracture length was analyzed using the central composite face design based on statistical modeling, which is an experimental design for response surface methodology. The results showed that the maximum fracture length was obtained at 828 ft under the injection rate of 30 bpm with an injection time of 79 minutes. The slurry concentration at the end of the job was 8.6 ppg, the leak-off coefficient was 0.0023 ft/min0.5, and the ratio between the fracture height migration and pay zone height was 1.065.
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ISRM VietRock - Vietnamese National Congress of Rock Mechanics and Rock Engineering
October 26, 2024
26 October
Optimization of the Fracture Length by Experimental Design: A case study in the Lower Miocene Formation
Nguyen Huu Truong;
Nguyen Huu Truong
Department of Petroleum Engineering, Petrovietnam University, Ba Ria-Vung Tau, Viet Nam
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WiSup Bae
WiSup Bae
Sejong University, Gwangjin-Gu, Seoul, Korea
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Paper presented at the ISRM VietRock - Vietnamese National Congress of Rock Mechanics and Rock Engineering, 26 October, October 2024.
Paper Number:
ISRM-VIETROCK-2024-016
Published:
October 26 2024
Citation
Truong, Nguyen Huu, and WiSup Bae. "Optimization of the Fracture Length by Experimental Design: A case study in the Lower Miocene Formation." Paper presented at the ISRM VietRock - Vietnamese National Congress of Rock Mechanics and Rock Engineering, 26 October, October 2024.
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