Research on temporary plugging refracturing technology for shale gas wells

被引：5
|
作者：
Xiao, B. [1 ]
Jiang, T. X. [1 ]
Ding, S. D. [1 ]
Chen, Z. [1 ]
Zhang, X. D. [1 ]
Li, K. D. [2 ]
机构：
[1] SINOPEC Inst Petr Engn, Beijing 100101, Peoples R China
[2] SINOPEC Jianghan Oilfield Co, Res Inst Petr Engn Technol, Wuhan 430035, Peoples R China
来源：
2020 4TH INTERNATIONAL WORKSHOP ON RENEWABLE ENERGY AND DEVELOPMENT (IWRED 2020) | 2020年 / 510卷
关键词：
D O I：
10.1088/1755-1315/510/2/022023
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
According to the variation law of stress induced by hydraulic fractures during the initial fracturing of shale gas wells, the temporary plugging refracturing technology was studied. Based on the research on the mechanism of fracture reorientation from temporary plugging, the process parameters (such as the particle size combination of the temporary plugging agent, the temporary plugging timing, and the amount of temporary plugging agent) were optimized, and the key material for temporary plugging were evaluated. Temporary plugging refracturing technology suitable for shale gas horizontal well was initially formed. Excellent results of trial test were achieved and the production rate after refracturing was increased by 5 times compared with that before stimulation. This study can provide some reference for temporary plugging refracturing of shale gas wells.
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页数：6
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