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- fluidity of cement slurry 净浆流动度
- The amounts of cement slurry is the key factor affecting bearing capacity of the piles. 压浆量是影响后压浆质量和提高单桩承载力的关键因素之一。
- So, it's particularly important to select one kind of cement slurry system suited for the ERDOS gas field. 因此研究和优选出适合鄂北工区的水泥浆体系显得尤为重要。
- To determining the quantity of water and the standard consistence by measuring the fluidity of cement mortar. 通过测定水泥胶砂流动数值,确定水泥胶砂标准稠度用水量。
- According to comparative tests,treating cement slurry with high frequency electric field can enhance the strength of cement bond by 11 7%. 通过对比试验得知，高频电场处理水泥浆可使水泥石强度提高11．7%25。
- Factors affecting the filtering and fluidity of filtering concrete such as water cement ratio,quantity of cement and quantity of fly ash are analyzed. 研究分析了水灰比、水泥用量、粉煤灰掺量等因素对滤水混凝土的流动性和滤水量的影响。
- Anti - water breakthrough performanc e. The experiment showed: the indexes of DFL cement slurry were better than those of cement slurry without additives. 抗水窜性能。 试验表明：DFL外加剂水泥浆各项指标优于未加外加剂的水泥浆。
- The cementation of cement slurry is not good in alkali well of Anpeng area.Cement slurry leaking results in poor cementing quality and not enough cement height. 安棚区块碱井固井水泥浆胶结不好,水泥浆易漏失造成固井质量较差、水泥返高不够等问题。
- Firstly,several rheological models of cement slurry are proved through linear transformation and then measured datas of cement slurry are dealt with linear regression of models. 本文通过对水泥浆的几种流变模式进行线性转化，用水泥浆的实测数据分别对几种模式进行线性回归。
- Influences of initiator,sulphonate,acrylic acid and diethylmaleate on fluidity of cement paste were studied in detailsAddition of diethyl maleate helped to reduce slump loss. 详细研究了引发剂、磺酸盐、丙烯酸和马来酸二乙酯等因素对净浆流动度的影响;马来酸二乙酯的加入,减小了流动度损失。
- The casing centralizer is used to centralize the casing in the bolehole to ensure the even solidification of cement slurry within the annular,which can improve the cement job quality. 套管扶正器的作用是使套管在井眼内居中,保证固井时水泥浆均匀凝固在套管与井壁所形成的环形空间内,从而提高固井质量。
- The results show that both of fly ash and slag powders can be used for increasing the fluidity of cement mortars, their effectiveness on fluidity and compressive strength are related to the cement type and the formulations of cement mortar. 结果表明：矿渣粉和粉煤灰都可以提高砂浆的流动性，它们对水泥砂浆的流动度及抗压强度的影响与水泥品种及砂浆配合比有关。
- Anhui Oilfield summarized that problems existed in pure slurry cementing before 1994 were too much water filtration,poor displacement capability,counterflow of cement slurry in the annulus,and etc. 安徽油田总结1994年前水泥净浆固井存在的问题有水泥浆析水量大，驱替钻井液效果不佳，环空水泥浆倒流等。
- It has a better application prospects to solving the problems of cement slurry up flow and annular space gas channeling generally existing in well cementing operation in Chinal S oilgas fields. 文章在调研国外大量资料的前提下，对触变水泥的设计原理、化学配方、评价方法及现场应用情况做了系统的评述。
- A kind of device which can keep the casing at the center of borehole and can also generate helical flow of cement slurry,which is the Spring Whirlflow Casing Centralizer,is presented in this paper. 提供了一种既能保证套管居中，又能产生水泥浆环空螺旋流的套管弹性旋流扶正器。
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥，砂子石头和水混合做的。
- The sack of cement hit the ground with a thump. 水泥袋砰的一声落在地上。
- Test method for fluidity of cement mortar 水泥胶砂流动度测定方法
- She danced with great fluidity of movement. 她跳舞的动作十分流畅优美。
- What about the removal of cement sub-gingivally? 如何清除龈下的粘固剂?
