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1)  chelating detergent
络合除垢剂
2)  complex scale remover
络合型除垢剂
3)  scale remover
除垢剂
1.
Taken into consideration the state of scaling ascertained through drilling 10 detective wells in 1990s,a stratum scale removing/inhibiting technology is developed,involving squeezing adsorptive scale inhibitor(ASI) and chelating scale remover(CSR) successively into the aimed strata.
注水开发的长庆低渗油藏地层结垢严重,20世纪90年代通过钻10口结垢检查井揭示了地层结垢特点,据此开发了依次注入吸附型防垢剂和螯合型除垢剂的地层清防垢技术。
2.
scale removers, type JH (JH-211A, JH-213A, JH213B) and WS (WS-1), are developed.
针对油气田普遍存在CaSO4垢且难以处理的问题,研制了两类新型CaSO4垢除垢剂:JH类和WS类。
3.
Aiming at the pipe scale whose main element is sulfate in the process of exploiting well and rock salt brine,a kind of scale remover is developed,its main element is organic chelating agent,and it is mixed with phosphorus-free organic scale inhibitor,penetrating agent,pH regulator.
针对井矿盐卤水开采过程中产生的以硫酸盐为主要成分的管垢,研制出了一种以有机螯合剂为主,与不含磷的有机阻垢剂、渗透剂、pH调节剂复配的除垢剂。
4)  descaling agent
除垢剂
1.
Research and development of descaling agent for a scale with high silicon content in ASP flooding system;
三元复合驱高含硅垢除垢剂的研制
5)  anti-packing chemical
除积垢剂
6)  chemical descaling
药剂除垢
补充资料:单宁除垢剂
分子式:
分子量:
CAS号:

性质:单宁含量20%~50%。碱木素等20%~50%。其化化学药剂40%左右。pH值9~11。冷溶性能好,表面活性好,渗透性好。基本无毒。供生产、生活用锅炉除垢用。以板栗壳为原料经粉碎、浸提、蒸发、干燥、加化学药品配制而成。

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