Study on optimazing measure of neat cement slurry and cement paste for oil well;
油井净水泥浆及水泥石优化措施研究
The study of the relationship between the strength of the cement paste with fly-ash and pore structure;
掺粉煤灰水泥石孔结构与力学性能关系的研究
A finite element method for predicting the chloride diffusion coefficient of cement paste;
水泥石氯离子扩散系数预测的有限元方法
Experiments on fiber and latex improving dynamic mechanical property of oil cement stone;
纤维与胶乳改善油井水泥石动态力学性能实验
Instruments for cement stone dynamics properties and perforating channeling testing based on Hopkinon Spill Pressure Bar;
霍布金森水泥石动态力学性能与射孔验窜试验装置
In the paper,using the patented slurry pulsation test device treated with the slurry used for cementing and a study is done on the early properties of cement stone such as compressive strength,microstructure,hydrated production and pore structure by means of SEM,XRD and MIP,etc.
利用研制开发的水泥浆脉冲振动实验评价装置,对油田固井用的水泥浆进行脉冲振动处理,后采用电镜扫描(SEM),X衍射(XRD)和压汞(MIP)等方法研究了脉冲振动处理后对水泥石早期抗压强度、微观结构、水化产物及孔喉结构的影响。
Influence of carbonation on the microstructure and permeability of hardened cement paste and mortar;
碳化对水泥石和砂浆的结构及砂浆渗透性的影响
The mechanism of improving the physical-mechanical properties of hardened cement paste added with styrene-butadiene latex is also given.
用多种实验手段研究了在普通硅酸盐水泥中掺入丁苯橡胶乳液对水泥水化过程的影响，并用扫描电镜分析了掺入丁苯橡胶后水泥石微观结构形态的改变，从而探讨了丁苯橡胶改善水泥石物理力学性能的机理。
Research on hydration course of cement blending super fine slag;
掺超细矿渣粉水泥石水化进程的试验研究
Study on fracture toughness of oil well cement;
油井水泥石断裂韧性的实验研究
Data of carbon fiber cement obtained from experiments were analyzed by means of probability statistics.
通过在实验中对碳纤维水泥石电学性能实验测试得出的数据,对其运用概率统计的方法进行分析,从实验数据当中总结出碳纤维水泥石电阻率特性,并与理论计算的结果相比较,对两者之间的关系进行了分析。
After cement slurry is injected into well,weight loss occurs before set cement formed,which makes fluid column pressure of slurry decline step by step,and fluid column pressure of slurry is to decrease to water column pressure if there is none of other factors that can result in higher pressure.
固井水泥浆注入井内后,在水泥石形成之前会出现失重现象,从而使水泥浆浆柱压力逐渐降低,如果没有引起其压力升高的因素,水泥浆柱压力会降为水柱压力。
4%,in the final strength of cement by 28%-34%,in corrosion resistance of the set cement by 50.
4%,水泥石后期强度提高了28%~34%,水泥石抗腐蚀性提高了50。