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Composition Optimization and Strength Decline Mechanism of Oil Well Cement Slurry at 200 ℃
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Ning LI1, Xueyu PANG2, 3, Zhengqing AI1, Jiankun QIN3, Zhongfei LIU1, Honglu WANG3, Yindong WANG1
Journal of the Chinese Ceramic Society | 2020, 48(11) : 1824 - 1833
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Journal of the Chinese Ceramic Society | 2020, 48(11): 1824-1833
• Research Articles •
Composition Optimization and Strength Decline Mechanism of Oil Well Cement Slurry at 200 ℃
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Ning LI1, Xueyu PANG2, 3, Zhengqing AI1, Jiankun QIN3, Zhongfei LIU1, Honglu WANG3, Yindong WANG1
Affiliations
  • 1.Oil and Gas Engineering Research Institute, Petro China Tarim Oilfield Company, Korla 841000, Xinjiang, China
  • 2.Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Ministry of Education, Qingdao 266580, Shandong, China
  • 3.School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China

    • LI Ning (1970-), male, Senior Engineer. E-mail:

About Author:

LI Ning (1970-), male, Senior Engineer. E-mail:

Published: 2020-11-20 doi: 10.14062/j.issn.0454-5648.20200300
Outline
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The influence of adding crystalline silica and silica fume on the mineral composition and physical-mechanical properties of the set-cement was investigated. The results show that optimizing the particle size distribution of cement dry blend can improve the 7-d compressive strength. Increasing the total silica addition can enhance the 30-d compressive strength. At 30-d curing, two optimized systems have an average compressive strength of greater than 40 MPa and a water permeability of lower than 2×10-6 μm2. The physical, mechanical, mineral and microstructual property evolution of the two systems within 30 d were analyzed. It is indicated that there are little changes in the mineral compositions and their crystallinity during 7-30 d. However, apparent microstructure coarsening occurs, leading to the decline in compressive strength and modulus of elasticity as well as the almost linear increase in water permeability of the set cement as a function of time.

high temperature  /  high pressure  /  strength retrogression  /  water permeability  /  gas permeability  /  modulus of elasticity  /  Poisson's ratio  /  phase analysis
李宁, 庞学玉, 艾正青, 秦建鲲, 刘忠飞, 王洪路, 王银东. 200 ℃加砂硅酸盐水泥配方优化设计及强度衰退机理. 硅酸盐学报, 2020 , 48 (11) : 1824 -1833 . DOI: 10.14062/j.issn.0454-5648.20200300
Ning LI, Xueyu PANG, Zhengqing AI, Jiankun QIN, Zhongfei LIU, Honglu WANG, Yindong WANG. Composition Optimization and Strength Decline Mechanism of Oil Well Cement Slurry at 200 ℃[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (11) : 1824 -1833 . DOI: 10.14062/j.issn.0454-5648.20200300
Appendix
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Year 2020 volume 48 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20200300
  • Receive Date：2020-04-27
  • Online Date：2026-10-29
  • Published：2020-11-20
Article Data
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History
  • Received：2020-04-27
  • Revised：2020-05-27
Funding
Affiliations
    1.Oil and Gas Engineering Research Institute, Petro China Tarim Oilfield Company, Korla 841000, Xinjiang, China
    2.Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Ministry of Education, Qingdao 266580, Shandong, China
    3.School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China

Corresponding:

PANG Xueyu (1982-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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