Petroleum Reservoir Evaluation and Development >
2021 , Vol. 11 >Issue 3: 297 - 304
DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2021.03.004
Whole lifecycle geology-engineering integration of volumetric fracturing technology in unconventional reservoir
Received date: 2021-03-09
Online published: 2021-06-24
Based on the concept of geology-engineering integration, a systematic research, including theoretical study and field investigation, has been performed on design optimization, implement control and post-frac management of the whole lifecycle of volumetric fracturing technology in unconventional reservoir. The key technologies include: ①the series of pre-frac evaluation technologies regarding geology-engineering double “sweet spots”, double sweetness and comprehensive fracability; ②big data and AI algorithm based “well pattern-fracture-fracturing technique” multi-parameter collaborative optimization technology; ③fracturing control technology based on formation geological properties obtained from inversion study of on-site fracturing operation data; optimization on fracturing fluid flowback scenarios with consideration of imbibition effect; ④comprehensive post-frac evaluation technology; ⑤progressive production management optimization and adjustment technology in effective period of fracturing treatment. Field applications demonstrate that the geology-engineering integration volumetric fracturing technology with consideration of whole lifecycle development can maximize the potential to increase production, stabilize production and improve single well EUR, which has enormous guidance and reference significance towards the achievement of the “Four Improvements” and “Cost Reducing” goals in unconventional reservoir development.
Tingxue JIANG , Xiaobing BIAN , Luo ZUO , Ziqi SHEN , Jiankun LIU , Chunfang WU . Whole lifecycle geology-engineering integration of volumetric fracturing technology in unconventional reservoir[J]. Petroleum Reservoir Evaluation and Development, 2021 , 11(3) : 297 -304 . DOI: 10.13809/j.cnki.cn32-1825/te.2021.03.004
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