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- The advances in preparation and uses of oilwell cement additives in China in recent 15 years are reviewed. 综述了近15年来国内油井水泥外加剂研制与应用方面的进展。
- Keywords oilwell cement additive;dispersing and solidification retarding agent;IR;densification time; 油井水泥添加剂;分散缓凝剂;红外光谱;稠化时间;
- Keywords crosslinked polyvinyl alcohol;filtrate loss control agent;oilwell cement slurries;oilwell cement additive;functioning mechanisms;film formation; 交联聚乙烯醇;降滤失剂;油井水泥浆;水泥外加剂;作用机理;成膜作用;
- oilwell cement additive 油井水泥外加剂
- The experimental results were indicated that salt-tolerance and thermal stability were improved, therefore, it can be used as a water loss control additive in oilwell cement. 实验证明:磺甲基化聚丙烯酰胺的抗盐性和水溶性均得到改善,可用作油井水泥降失水剂。
- 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。
- Application of a multi-functional cement additive in BZ25-1 oilfield. 多功能水泥外加剂在BZ25-1油田固井中的应用
- Oilwell cement dispersing and solidification retarding agent GA1 was prepared by glucose, chloroacetic acid,sodium hydroxide and sulfonating agent. 以葡萄糖、一氯乙酸和磺化剂为原料研制了油井水泥分散缓凝剂GA1,并提供了合成方法。
- A simple laboratory testing method is established,and by means of this method mechanical bond strength is tested between drilling cutting and oilwell cement rock. 在实验室内，模拟水泥环与地层胶结全过程，分析了泥饼以及采用不同配方的水泥浆，对各种钻屑与油井水泥胶结强度的影响。
- Keywords cementing;oilwell cement;dispersant;additive; 固井;油井水泥;分散剂;添加剂;
- In Tonghua Group Corp.,phosphogypsum is made into cement additive by a doubleroller compaction granulator in a pilot facility. 铜化集团通过试验对比在国内率先使用对辊造粒机进行磷石膏造球制水泥添加剂。
- DSH cement additive with low frictional re-sistance developed is prepared from drag reducer, filtration-reducing agent, stabilizing agent and accelerating agent. DSH低摩阻水泥外加剂由减阻剂、降滤失剂、稳定剂及促凝剂复配而成。
- In this paper,according to the strength factors of marine soft soil treated with DCM and the practical application of the cement additive,two selective opinions were given. 针对深层搅拌法加固高矿化度海相软土强度形成的特点和目前水泥土外掺剂应用现状,提出了两点外掺剂选择的依据。
- Filtrate Loss Reducer ZJ-2 for Oilwell Cement and Its Uses ZJ-2油井水泥降滤失剂研究与应用
- Study on Oilwell Cement Toughness Reinforcing Agent BF 油井水泥增韧剂BF的室内研究
- Hydration, Hardening and Properties of Class G Oilwell Cement G级油井水泥的水化硬化及性能
- Keywords oilwell cement cementing slurry rheology model; 油井水泥;固井;水泥浆;流变性;模型;
- Xuzhou Shipton Cement Additives Co., Ltd. is invested by the United States sheep a Sino-foreign joint ventures. 苏州希普水泥助剂有限公司是由美国希普公司投资的一家中外合资企业。
- Applicable technique of Grace cement additive 格雷斯水泥添加剂应用技术
- By maintaining workability, but at a lower water content, concrete strength may be increased without the need for further cement addition. 保持工作度不变，在低用水量时，不必增加水泥用量，混凝土的强度也能增加。
