摘要
为满足低压易漏失井对低密度水泥浆提出的要求,研制出一套密度范围在1.40g/cm3-1.55g/cm3的粉煤灰复合低密度水泥浆体系。当降失水剂加量为11%,缓凝剂加量为0.05%,激发剂加量为1%,该水泥浆体系抗压强度大于18MPa,滤失量小于50mL,初始稠度低,稠化时间可调,综合性能良好。
To meet the requirements of low-density cement slurry for low leakage easily wells,a set of fly ash composite low-density cement slurry system which the density range in 1.40 g/cm3-1.55 g/cm3 is developed.When fluid loss additive 11%,retarder dosing amount for 0.05% and activator for 1%,the compressive strength of the fly ash composite low-density cement slurry system is over 18 MPa,and the water filter can be controlled with in 50 mL,initial low viscosity,thickening time adjustable,comprehensive performance is good.
出处
《科学技术与工程》
2010年第21期5254-5256,共3页
Science Technology and Engineering
关键词
固井
低密度水泥浆
抗压强度
粉煤灰
cementing low-density cement slurry compressive strength fly ash
