Comparative study on the structures and properties of organo-montmorillonite and organo-palygorskite in oil-based drilling fluids

被引：40
|
作者：
Zhuang, Guanzheng [1 ]
Zhang, Zepeng [1 ]
Jaber, Maguy [2 ,3 ]
Gao, Jiahua [1 ]
Peng, Shanmao [1 ]
机构：
[1] China Univ Geosci, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Natl Lab Mineral Mat, Sch Mat Sci & Technol, Xueyuan Rd, Beijing 100083, Peoples R China
[2] UPMC Univ Paris 06, Sorbonne Univ, Case Courier 225,UPMC 4 Pl Jussieu, F-75005 Paris 05, France
[3] CNRS, UMR 8220, LAMS, Case Courier 225,UPMC 4 Pl Jussieu, F-75005 Paris 05, France
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2017年 / 56卷
关键词：
Organoclay; Oil-based drilling fluids; Thermal stability; Rheological properties; Exfoliation; RHEOLOGICAL PROPERTIES; ZWITTERIONIC SURFACTANT; LAYERED SILICATES; THERMAL-ANALYSIS; BEHAVIOR; SORPTION; MICROSTRUCTURE; TEMPERATURE; DISPERSION; PRESSURE;
D O I：
10.1016/j.jiec.2017.07.017
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This work aims to reveal the differences of structures and properties between organo-montmorillonite (OMt) and organo-palygorskite (Opal) in oil-based drilling fluids. Organoclays are prepared in aqueous solution and characterized by XRD, SEM and TEM. Surfactants can intercalate into the interlayer space, of Mt while they coat only on the,palygorskite surface. OMt can form "house of cards" structure while OPal forms "haystack" structure. Temperature rising promotes network structure and rheological properties of organoclays in oil. The decline of rheological properties at high temperature is mainly caused by the dissolution of surfactants into oil, instead of thermal decomposition. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：248 / 257
页数：10
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