第34卷第2期 2017年3月
钻井液与完井液
DRILLINGFLUID&COMPLETIONFLUID
doi: 10.3969/j.issn.1001-5620.2017.02.016
Vol. 34 No. 2 Mar.2017
粒径对油井水泥水化热及力学性能的影响黄锦‘，姚晓1.2，姜祥1，王志国3，吕志国3，李志远3（1.南京工业大学材料科学工程学院，南京210023；2.江苏先避生物与化学制造协同创新中心，南京210023；
3.中石化华东石油工程有限公司钻井处，江苏扬州210019）
敢绰，姚晓 HUANGJin
eement
关链
中图分类号
TE256-0
文融标识码
Eftc
1掌性能的影有[].钻井液与完并液，2017。34（2）：87-92
of particle size on hydration heat and mechanical perfomance of 87-92
用用等：工早期水化部
自同水方 50.013
153.13%
股制
文章缩导
001-5620
102-0087-06
2017
Effects of Particle Size on Hydration Heat and Mechanical Performance of Cement
HUANG Jin', YAO Xiaol-2, JIANG Xiang', WANG Zhiguo', LV Zhiguo', LI Zhiyuan
(1. College of Material Science and Engineering, Nanjing University of Technology, Nanjing 457001;
2. The Synergetic Innovation Center for Advanced Materials, Nanjing 210023;
3. Department of Drilling, Sinopec East China Petroleum Engineering Co. Ltd., Yangzhou, Jiangsu 210019)
Abstract The particle sizes of oil well cement are closely related to its performance and use. Oil well cements of different particle size distribution obtained with three grinding methods have been studied for their early hydration exothermic rate (rate of hydration heat liberation), hydration product of set cement, pore structure and the micro-morphology of particles using ICC, XRD MIP and SEM experiments. It was shown that physical grinding cannot produce nano particles; it can only produce ultra-fine particles. Particles size distributions of cement slurries with the same water/cement ratio had no appreciable effect on the density of the slurries and the hydration products. On the other hand, cement slurries with smaller particle sizes had shortened thickening time, poor rheology, reduced percentage of free water, and better stability. Meanwhile, ultra-fine cement particles had enhanced hydration reactivity and higher hydration heat and hydration exothermic rate. The cumulative hydration heat released in 24 hours of a 0.013 mm ultra-fine cement(MC1000-0.5) was 91.03% higher than that of conventional class G cement (G-0.5) at the same water/cement ratio of 0.5. The ultra-fine particle cement produced more hydration products in a short period, and the set cement had improved early strength and impervious performance, and reduced total porosity. The set cement of a 0.013-mm ultra-fine cement (MC1000-0.7) had 1-d compressive strength
基金项目：江苏高校品牌专业建设工程资助项目（PPZY2015B128）；江苏高校优势学科建设工程资助项目（PAPD）。第一作者简介：黄锦，在读硕士研究生，研究方向为油田材科化学及胶凝材料。电话18260021562；E-mail：
18260021562@163.com。
通讯作者：姚晚，E-mail：yaoxiao@njtech.edu.cn。
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