On the influence of multi-walled carbon nanotube additives on the rheology of hydrocarbon-based drilling fluids

IF 0.5 4区工程技术 Q4 ENGINEERING, AEROSPACE Thermophysics and Aeromechanics Pub Date : 2024-10-17 DOI:10.1134/S0869864324020148

E. I. Lysakova, A. D. Skorobogatova, A. L. Neverov, M. I. Pryazhnikov, A. V. Minakov

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Abstract

The paper presents the results of experimental studies on the effect of multi-walled carbon nanotubes (MWCNTs) additives on the viscosity and rheological characteristics of drilling emulsions based on mineral oil. The formulations of typical drilling fluids containing 65% hydrocarbon phase were modified with nanotubes. The mass concentration of nanotubes in emulsion varied from 0.1 to 0.5%. The formulation and method of preparing stable drilling emulsions with MWCNT additives have been proposed. The rheology of drilling emulsions modified with MWCNTs was studied. The dependency of rheological characteristics on the nanotubes concentration was obtained. In general, MWCNT additives can significantly alter the rheological characteristics of drilling hydrocarbon emulsions at lower concentrations compared to the additives in the form of spherical nanoparticles. This is very important for their practical use in industry. The optimal concentration of MWCNTs for controlling the rheological properties of drilling emulsions is about 0.25 wt. %.

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多壁碳纳米管添加剂对碳氢化合物基钻井液流变性的影响

本文介绍了多壁碳纳米管（MWCNTs）添加剂对基于矿物油的钻井乳液的粘度和流变特性的影响的实验研究结果。对含有 65% 碳氢化合物相的典型钻井液配方进行了纳米管改性。纳米管在乳液中的质量浓度从 0.1%到 0.5%不等。提出了使用 MWCNT 添加剂制备稳定钻井乳化液的配方和方法。研究了用 MWCNTs 改性的钻井乳化液的流变特性。得出了流变特性与纳米管浓度的关系。总体而言，与球形纳米颗粒形式的添加剂相比，MWCNT 添加剂在较低浓度下就能显著改变钻井碳氢化合物乳化液的流变特性。这对它们在工业中的实际应用非常重要。控制钻井乳液流变特性的最佳 MWCNT 浓度约为 0.25 wt.%。

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来源期刊

Thermophysics and Aeromechanics THERMODYNAMICS-MECHANICS

CiteScore

0.90

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal Thermophysics and Aeromechanics publishes original reports, reviews, and discussions on the following topics: hydrogasdynamics, heat and mass transfer, turbulence, means and methods of aero- and thermophysical experiment, physics of low-temperature plasma, and physical and technical problems of energetics. These topics are the prior fields of investigation at the Institute of Thermophysics and the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences (SB RAS), which are the founders of the journal along with SB RAS. This publication promotes an exchange of information between the researchers of Russia and the international scientific community.