The mechanisms of inhibition and lubrication of clean fracturing flowback fluids in water-based drilling fluids

IF 3.8 4区 工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY Green Processing and Synthesis Pub Date : 2023-01-01 DOI:10.1515/gps-2023-0062
Huaizhu Liu, Dong-lan Chen, Kangning Zhao, Binbin Hu, Jianjia Zhang, Yang Ning, Tong Shan, J. Zhang, Wan Zhang, Fan Zhang
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Abstract

Abstract This study presents a novel approach for the reuse of uncontaminated fracturing flowback fluids to improve the inhibitory and lubricating properties of water-based drilling fluids (WBFs), curb environmental pollution arising from flowback fluids, and substantially mitigate the expenses associated with WBFs. The experimental design was optimized using orthogonal experiments and range analyses, whereby the modified rubber powder was set at 2.0%, xanthan gum at 0.15%, and a plant phenol to modified complexing agent ratio of 1:0.01. The assessment of the performance evaluation tests indicated that the use of uncontaminated fracturing flowback fluids as the base water can remarkably enhance the inhibitory and lubricating properties of WBFs. Precisely, this approach reduces the linear expansion rate from 62.31% to 21.25%, the reduction rate of extreme pressure lubrication coefficient by 87.98%, and the reduction rate of mud cake sticking factor by 59.86%. This investigation has established the potential environmental and economic benefits of reusing clean fracturing flowback fluids in WBFs.
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清洁压裂返排液在水基钻井液中的抑制和润滑机理
摘要本研究提出了一种利用未污染压裂返排液的新方法,以提高水基钻井液(WBFs)的抑制和润滑性能,抑制返排液对环境的污染,并大幅降低与WBFs相关的费用。通过正交试验和极差分析对实验设计进行优化,改性胶粉用量为2.0%,黄原胶用量为0.15%,植物酚与改性络合剂的配比为1:0.01。性能评价试验结果表明,使用无污染压裂返排液作为基水可以显著提高WBFs的抑制和润滑性能。精确地说,该方法将线性膨胀率从62.31%降低到21.25%,极压润滑系数降低率为87.98%,泥饼粘滞系数降低率为59.86%。该研究确定了在WBFs中重复使用清洁压裂返排液的潜在环境和经济效益。
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来源期刊
Green Processing and Synthesis
Green Processing and Synthesis CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL
CiteScore
6.70
自引率
9.30%
发文量
78
审稿时长
7 weeks
期刊介绍: Green Processing and Synthesis is a bimonthly, peer-reviewed journal that provides up-to-date research both on fundamental as well as applied aspects of innovative green process development and chemical synthesis, giving an appropriate share to industrial views. The contributions are cutting edge, high-impact, authoritative, and provide both pros and cons of potential technologies. Green Processing and Synthesis provides a platform for scientists and engineers, especially chemists and chemical engineers, but is also open for interdisciplinary research from other areas such as physics, materials science, or catalysis.
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