Polyoxyalkyleneamine as shale inhibitor in water-based drilling fluids

被引:100
作者
Qu, Yuanzhi [1 ]
Lai, Xiaoqing [1 ,2 ]
Zou, Laifang [1 ]
Su, Yi'nao [1 ]
机构
[1] Res Inst PetroChina Drilling Engn Technol, Beijing 100097, Peoples R China
[2] Yangtze Univ, Coll Petr Engn, Jinzhou 434023, Hubei, Peoples R China
关键词
Rheology; Polyoxyalkykeneamine (POAM); Shale inhibitor; Water-based drilling fluids;
D O I
10.1016/j.clay.2009.03.003
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
According to the conventional evaluation methods of drilling fluids, the inhibitive property of polyoxyalkyleneamine (POAM), which was prepared in the laboratory, to sodium montmorillonite (Na-MMT) was investigated, and the shale cuttings recovery ratio and the theological properties of drilling fluids were measured before and after adding POAM in several water-based drilling fluids. The results showed that POAM was completely water-soluble, exhibited the superior performance to inhibit the hydration of Na-MMT and reduced the swelling or hydration of shale cuttings effectively. In addition, the determination of the biological toxicity and compatibility of POAM indicated that POAM was low toxic and compatible with other common drilling fluid additives. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:265 / 268
页数:4
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