摘要
本文介绍了有机膦酸油井水泥缓凝剂CT11－3的实验室合成、中型放大试验、性能评价和现场投井试验结果。该缓凝剂在50─170℃温度范围内具有优良的缓凝效果，稠化时间可调，稠化曲线理想，与常用其它油井水泥外加剂具有良好的相容性，所配制的水泥浆综合性能良好，能满足不同井温固井施工的要求。
This article presents the results of laboratory synthesis, pilot production, performance properties evaluation,and field experiments (in three wells) of oilwell cement setting retarder CT11-3, a hydrozylamino methylene phoxphonicacid synthesize through a Mannich's reaction. CT11-3 has excellent retarding efficiency at wide temperatures ranged from-50℃ to 170℃, Provides adjustable thickening time and standard thickening curves and is compatible well with many oilwell cement additives commonly used in Sichuan Gas Fields. The cement slurries obtained with CT11-3 have excellent comprehensive performance properties.
出处
《油田化学》
CAS
CSCD
北大核心
1998年第3期220-223,219,共5页
Oilfield Chemistry
关键词
固井
注水泥
缓凝剂
CT11-3
油井
Organic. Phosphonic Acid, Setting Retarder, Oliwell Cement Additive, Research and Development of Chemical, Well Cementing, Sichuan Gas Fields
