Mechanical and rheological behavior of oil-well cement slurries produced with clinker containing carbon nanotubes

被引：54

作者：

de Paula, Junia Nunes ^{[1
]}

Calixto, Jose Marcio ^{[2
]}

Ladeira, Luiz Orlando ^{[3
]}

Ludvig, Peter ^{[1
]}

Souza, Tarcizo Cruz C. ^{[4
]}

Rocha, Jose Marcelo ^{[5
]}

Vargas de Melo, Aline A. ^{[5
]}

机构：

[1] Fed Ctr Technol Educ Minas Gerais, Bambui, MG, Brazil

[2] Univ Fed Minas Gerais, Dept Struct Engn, Bambui, MG, Brazil

[3] Univ Fed Minas Gerais, Dept Phys, Bambui, MG, Brazil

[4] Univ Fed Minas Gerais, Construct Mat Engn Dept, Bambui, MG, Brazil

[5] Petrobras Res Ctr, Rio De Janeiro, Brazil

来源：

JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 2014年 / 122卷

关键词：

carbon nanotubes; cement paste; rheological behavior; mechanical properties; oil wells;

D O I：

10.1016/j.petrol.2014.07.020

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper analyzes the influence of carbon nanotubes (CNTs) on the rheological and mechanical properties of cement slurries used in oil wells. CNTs were grown directly onto the cement clinker by chemical vapor deposition. Cement pastes containing 0.1% and 0.3% of CNT bwoc were compared with CNT-free slurries. Lignosulfonate (0.2% bwoc) was used as dispersant in all cement slurries. Compressive and tensile strength were evaluated at the ages of 48 h and 7 days. The results show that the addition of CNTs does not alter the rheological behavior and stability of the cement slurries considering the dispersant and concentrations employed. On the other hand, the presence of CNTs in the cement slurries increases the tensile strength by approximately 15% at 48 h and 7 days of aging for 0.1% CNT bwoc. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：274 / 279

页数：6

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