减小水泥浆密度或增加水泥浆产率所用的化学添加剂或惰性材料。
A chemical additive or inert material used to decrease the density or increase the yield of a cement slurry.
本文分析了振动式水泥浆密度计的原理，指导了变送器和二次仪表的设计。
The working principle of the vibration-type water mud densimeter is dis-cussed in our paper. It guided the design of the variator and the secondary meter.
介绍了哈里伯顿公司生产的水泥浆密度自动控制系统的构成、功能、工作原理和操作技术要点。
This paper discusses the structure, function, working principle and key operation technology of Haribodon cement slurry density auto control system.
泡沫水泥的优点在于减小水泥浆的密度。
The advantage of foamed cement is the decreased slurry density.
井眼设计人员可能会选择与水泥浆连接打桥塞以确保高密度的浆体并不会在井眼内下落。
The well designer may choose to set bridge plugs in conjunction with cement slurries to ensure that higher density cement does not fall in the wellbore.
为此，研制开发了密度低、强度大且防窜性能好的新型泡沫水泥浆体系，并对其性能进行了试验研究。
In order to solve the problems, a novel foam cement slurry system with low density, high strength and good channeling resistance, has been developed and tested.
在常规低压易漏井固井作业中，通常要求使用低密度水泥浆。
The low-density cement slurry is usually required in the common cementing operation in low-pressure leakage well.
介绍了改性木质素磺酸盐PQ的合成工艺，评价了PQ对水泥浆稠化时间的影响及在高密度体系中的应用，同时考察了PQ对温度的敏感性。
The compounding technique of PQ was described and its influences to cement thickening time and application in high density cement system were evaluated, as well as its temperature sensitivity.
对常规密度抗盐水泥浆的失水、稠化、流变、强度等性能进行了室内评价。
The properties of this slurry with conventional density, such as filtration, thickening, rheology and strength, were evaluated in laboratory.
为了高精度、非接触动态地检测灌浆工程中水泥浆液的密度，采用CR 105型光电倍增管作为感光器件，设计了一种检测装置。
In order to monitor the cement grout density accurately and dynamically in grouting practice, a detection instrument incorporating a CR105 photomultiplier tube as optic sensor was designed.
漂珠是优良的耐热超低密度材料，常用作配制低密度水泥浆。
As a good thermal material with super-low density, microsphere is often used to prepare light-weight cement slurry.
介绍了微硅复合低密度水泥浆的性能、作用机理及现场应用情况。
This paper introduces the properties, working mechanisms and field applications of silicon composite low density cement slurry.
超细防气窜水泥浆体系具有防气窜、低密度、低失水、抗水泥石高温强度退化等优点，适用于超深油气井注水泥作业。
This cement slurry provides good properties such as low density, low filtration, gas channeling prevention and stable compressive strength at high temperature.
介绍了一种新型的用于海洋深水低温浅层流固井作业用的零稠化转化时间低密度水泥浆体系，该水泥浆体系采用新型高强快速凝固水泥制备。
A low density cement slurry of zero thickening transition period which was appropriate to low temperature and shallow flow cementing operation in deepwater was introduced.
针对高压盐层的油气井固井特点，注水泥时常采用高密度含盐水泥浆。
In consideration of the characteristics of high pressure salt bed cementing of oil and gas Wells, high density salt slurry is often used for cementing.
低密度水泥是解决低压易漏井固井水泥浆漏失的主要途径。
A composite light cement system is developed to solve the problem of cement loss during cementing in some Wells.
介绍了一种新型的化学发泡气体充填与固体充填减轻制备的低密度低温深水水泥浆体系，并对其在海洋深水环境下的性能进行了系统的室内评价研究。
A new low temperature and deepwater slurry system prepared with chemical foaming gas and solid packings, which can reduce the density of the slurry, is introduced.
为此本文进行了超低密度水泥浆体系的实验研究。
So this paper has carried on the lab research of ultra-low density cement slurry system.
探讨了塞流固井中水泥浆动塑比的设计问题，给出了五种低密度水泥浆配方。
Problems of cement slurry yield value via plastic viscosity on design in coalformed gas well cementing was discussed, and 5kinds of low density cement slurry fo…
低密度矿渣膨润土水泥浆现场施工方便，固井质量优质率平均约80%。
The light weight BFS/bentonite cement slurry can be easily applied to oil field, with hight cementing quality of about 8000.
低密度矿渣膨润土水泥浆现场施工方便，固井质量优质率平均约80%。
The light weight BFS/bentonite cement slurry can be easily applied to oil field, with hight cementing quality of about 8000.
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