Preparation and Application of a Glucose Graft Copolyammonium as Shale Inhibitor

被引：12

作者：

Ni, Wei-jun ^{[1
,2
]}

Li, Qi ^{[1
,2
]}

Chen, Gang ^{[3
]}

Li Lili ^{[3
]}

Zhang, Jie ^{[3
]}

Zhang, Li ^{[3
]}

Yan, Jiao ^{[3
]}

Cheng, Chao ^{[3
]}

机构：

[1] China Univ Petr, Key Lab MOE Petr Engn, Beijing 102249, Peoples R China

[2] Xian Shiyou Univ, Coll Petr Engn, Xian 710065, Shaanxi, Peoples R China

[3] Xian Shiyou Univ, Coll Chem & Chem Engn, Xian 710065, Shaanxi, Peoples R China

来源：

RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2016年 / 89卷 / 08期

基金：

美国国家科学基金会;

关键词：

Bentonite - Drilling fluids - Grafting (chemical) - Hydrogen bonds - Hydrophobicity - Particle size - Scanning electron microscopy - Shale - Swelling - Thermogravimetric analysis;

D O I：

10.1134/S107042721608022X

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In the paper, a shale inhibitor, glucose graft copolyammonium (GGPA), was prepared and evaluated by bentonite linear expansion test, anti-swelling experiments, mud ball experiments. The drilling fluid properties were evaluated. Anti-swelling results shows that anti-swelling rate of 0.8% GGPA reaches up to 94.5%. Mud ball experiment and drilling fluid evaluation showed that GGPA has strong inhibitive capability to bentonite hydration swelling. GGPA can control the particle size of bentonite. The inhibition mechanism of the polyamine salt was analyzed by thermogravimetric analysis and scanning electron microscope. The results demonstrate that the GGPA can be adsorbed on clay surface through electrostatic interaction and hydrogen bonds by an anchoring effect and a hydrophobic effect.

引用

页码：1354 / 1359

页数：6

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