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作 者:R.V.V.Ramana Murthy Murthy Chavali Faruq Mohammad
机构地区:[1]Division of Chemistry,Department of Sciences and Humanities,Vignan’s Foundation for Science,Technology and Research University(Vignan’s University),Vadlamudi 522213 Guntur District,Andhra Pradesh,India [2]b PG Department of Chemistry,Dharma Appa Rao College,Nuzvid 521201 Krishna District,Andhra Pradesh,India [3]Shree Velagapudi Ramakrishna Memorial College(SVRMC-PG Studies),NAAC’A’Grade&ISO 9001:2015 Certified,(Autonomous),Nagaram 522268 Guntur District,Andhra Pradesh,India [4]MCETRC,Tenali,Guntur 522201 Andhra Pradesh,India [5]Surfactants Research Chair,King Saud University,College of Science,Riyadh 11451 Kingdom of Saudi Arabia
出 处:《Petroleum Research》2020年第1期83-91,共9页石油研究(英文)
摘 要:Nanosilica,when combined with cement slurry aids in improving its compressive strength even,reduces the wait-on-cement time for cement plugs.This study focuses on the synergistic effect of nano-silica in oil and gas well cementing.A comparative study is conducted on the performance of cement slurry(conventional 118 pcf(15.8 lbm/gal))with nanosilica and cement slurry without nano-silica.The cement slurry combined with nano-silica has shown an early compressive strength development in cement slurry at different concentration of silica fume at 10% and 20% by weight of cement.This study also focuses on other areas for improvement including slurry stability,free fluid reduction,lower fluid loss value,fine rheology,appropriate thickening time and higher ultimate compressive strength development.The cement slurry with nano-silica has shown improvement in the compressive strength due to the increased rate of hydration,thus thickening time was within 5hrs.
关 键 词:NANOSILICA Thickening time Compressive strength Ultrasonic cement analyzer
分 类 号:TG1[金属学及工艺—金属学]
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