Surface and Adsorption Activity of a Modified Lignosulfonate Reagent for Regulation of Drilling Mud Parameters

IF 0.6 4区工程技术 Q4 ENERGY & FUELS

Chemistry and Technology of Fuels and Oils Pub Date : 2024-03-16 DOI:10.1007/s10553-024-01652-7

I. N. Kulyashova, A. D. Badikova, A. R. Muzafarova, S. R. Sahibgareev

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Abstract

The feasibility of obtaining a modified lignosulfonate reagent derived from acrylic and lignosulfonate components is examined. The completeness of the reaction yielding a modifier derived from acrylamide and citric acid to be used for subsequent dispersion in sodium lignosulfonate was monitored by HPLC. A comparative analysis of the surface tension data was carried out by the stalagmometric drop counting method. In order to study the effect of electrolytes on the surface activity of a complex reagent with acrylic and lignosulfonate components, the surface tension of aqueous solutions of NaCl and CaCl₂ of different concentrations was determined upon the introduction of from 0.1% to 2% reagent. The assessment of the adsorption activity was carried out by constructing an isotherm of surface tension at the liquid‑liquid interface under static conditions over time with constant reagent concentration. Feasibility was established for the use of this lignosulfonate reagent for effective reduction of the conditional viscosity of clay drilling mud at from 20°C to 180°C.

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用于调节钻井泥浆参数的改良木质素磺酸盐试剂的表面和吸附活性

研究了从丙烯酸和木质素磺酸盐成分中获得改性木质素磺酸盐试剂的可行性。通过高效液相色谱法监测了由丙烯酰胺和柠檬酸衍生出的改性剂在木质素磺酸钠中分散反应的完整性。采用石塔滴计数法对表面张力数据进行了比较分析。为了研究电解质对含有丙烯酸和木质素磺酸盐成分的复配试剂表面活性的影响，在加入 0.1% 至 2% 的试剂后，测定了不同浓度的 NaCl 和 CaCl2 水溶液的表面张力。在试剂浓度恒定的情况下，通过构建静态条件下液液界面表面张力等温线，对吸附活性进行了评估。确定了使用这种木质素磺酸盐试剂在 20°C 至 180°C 温度范围内有效降低粘土钻井泥浆条件粘度的可行性。

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来源期刊

Chemistry and Technology of Fuels and Oils 工程技术-工程：化工

CiteScore

0.90

自引率

16.70%

发文量

119

审稿时长

1.0 months

期刊介绍： Chemistry and Technology of Fuels and Oils publishes reports on improvements in the processing of petroleum and natural gas and cracking and refining techniques for the production of high-quality fuels, oils, greases, specialty fluids, additives and synthetics. The journal includes timely articles on the demulsification, desalting, and desulfurizing of crude oil; new flow plans for refineries; platforming, isomerization, catalytic reforming, and alkylation processes for obtaining aromatic hydrocarbons and high-octane gasoline; methods of producing ethylene, acetylene, benzene, acids, alcohols, esters, and other compounds from petroleum, as well as hydrogen from natural gas and liquid products.