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Modified starch can be used as drilling fluid additive,oil demulsifier,cement slurry additive and water-plugging/profile-modifying agent and so on. 改性淀粉可作钻井液处理剂,原油破乳剂,水泥浆添加剂和堵水调剖剂等。
Keywords Metakaolin;oil well cement;cement slurry additives;cement slurry performance;review; 偏高岭土;油井水泥;水泥浆添加剂;水泥浆性能;综述;
cement slurry additives 水泥浆添加剂
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。
Thus, chemical gas release foamed cement slurry system. 因此,决定采用化学发气泡沫水泥浆封固气层。
Laboratory study on impact resistance toughness cement slurry system. 抗冲击韧性水泥浆体系室内研究
The different additives such as S27,SM-B, XS-Z,R90,T50 are used in terms of the cement slurries, for example, fresh water slurry, salt water slurry, low or high density slurries. 针对淡、盐水、低密度、高密度水泥浆分别选用了S27、SM-B、XS-2、R90系列、T50系列降滤失剂。经降滤失剂处理过的水泥浆其滤失量、稠化时间、抗压强度等性能均符合现场施工要求。
Finally, the schedule of rheological design for oil well cement slurry formulation was proposed. 最后提出了水泥浆配方流变学设计的试验操作流程。
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。
Keywords Hollow Glass Microsphnes;Lightening Material for Cement Slurries;Cement Slurry Additive;Low Density Cement Slurries;Field Uses;Tulufan-Hami Oil Field; 漂珠;水泥浆减轻剂;水泥浆外加剂;低密度水泥浆;现场应用;吐哈油田;
In order to solve the problem,FSAM nonpermeable channeling preventable cement slurry system is developed. 为了解决这一问题，研制开发了FSAM非渗透防窜水泥浆体系。
The rheology of oilwell cement slurry is the key factor to the slurry for formulation designing and safe cementing. 油井水泥浆的流变性是水泥浆配方设计的核心及安全施工的前提。
The reactions are selectively compatible with such diverse slurry additives as alcohols, glycols, glycerol, urea, formamide. 与醇类，二醇类，丙三醇，尿素，甲酰胺各种浆液附加物进行反应时，在相言性方面是有选择性的。
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。
The tubeless cementing plug technology for using wire rope putting cement slurry into the pointed position in wellhole is proposed. 引入清洁生产理念,提出了用钢丝绳将水泥浆送入井筒中预定位置的施工工艺,即无管柱注水泥塞工艺。
Here the interface cementing performance of cinder MTC slurry and well cement slurry is compared under 3 states of no filte. 为此,系统地比较了矿渣MTC水泥浆与油井水泥浆在没有滤饼、普通钻井液滤饼、多功能钻井液滤饼3种情况下的界面胶结性能。
Applications of 35 wells in five areas indicate that good cementing results were got by using the magnetized cement slurry. 在5个地区用磁化含有添加剂的水泥浆固井35口,固井质量明显高于未磁化水泥浆。
The styrene-butadiene latex cement slurry system can help to raise the elasticity and toughness of oil well cement sheath. 丁苯胶乳水泥浆体系有利于提高油井水泥环的弹性和韧性。
The wall shear stress caused by cement slurry flowing in the annular space is a key element that affects the displacing efficiency. 水泥浆环空流动的壁面剪应力是影响顶替效率的关键因素。
A diaphragm in the plug body ruptures to allow the cement slurry to pass through after the plug reaches the landing collar. 在塞体中的隔膜破裂，以便使水泥浆能在底塞到达止塞箍以后通过。