The Influence of Casing-Sand Adhesion on Cementing Bond Strength

Xiaofeng Zhao, Zhichuan Guan, Minglei Xu, Yucai Shi, Hualin Liao and Jia Sun

PLOS ONE, 2015, vol. 10, issue 6, 1-11

Abstract: In the petroleum industry, one of the most serious problems encountered during cementing is the failure at the bonding interface. Many measures including casing-sand adhesion have been developed to improve cementing bond strength. However, due to the lack of detailed study of the technique, many questions remain. The primary goal of this study is to investigate the influence of casing-sand adhesion on cementing bond strength, and to optimize parameters. An orthogonal experiment and a supplementary experiment were conducted. The results indicated that casing-sand adhesion can improve the cementing bond strength. The priority orders of key factors are: sand grain size, sand coverage, adhesive curing temperature and adhesive curing time. The optimal parameters recommended for application are: 1.6mm~1.9mm sand grain size, 60%~70% sand coverage, 30°C curing temperature and 60 hours curing time.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0130892

DOI: 10.1371/journal.pone.0130892

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