1) chemical plugging
化学封堵
2) chemical plugging/sealing technologies
化学封堵技术
3) chemical clogging
化学淤堵
1.
A preliminary study on chemical clogging of nonwoven geotextile filter in Wushan tailings fill dam;
武山尾矿坝无纺土工织物滤层化学淤堵问题初探
4) chemical jamming
化学堵塞
1.
In order to solve the chemical jamming appeared in the conventional acid or alkaline in-situ leaching of uranium, a experiment of in-situ leaching of uranium with CO_2 was carried out at a uranium deposit, Xinjiang.
针对新疆某铀矿床的特点和常规酸法、碱法地浸采铀试验中出现的矿层化学堵塞问题,在国内首次进行了CO2地浸采铀现场试验研究。
5) chemical water plugging
化学堵水
1.
With well group as flooding unit,the tech- niques of fracturing and block removing,stratified waterflooding,in- depth profile control,and chemical water plugging for oil and water wells are integrated and optimized to improve recovery factor.
即以注采井组为单元,将油水井压裂解堵、分层注水、深度调剖、化学堵水等技术进行优化整合,最大程度地发挥技术整体作用,提高注采井组采收率。
补充资料：管道封堵胶囊
分子式：
CAS号：
性质：带金属接管的夹布囊状橡胶密封制品。胶料一般用丁腈橡胶、氯丁橡胶等，采用手工贴合成型、硫化罐硫化而成。用于输油管道维修、工艺改造等作业，起封堵原油的作用。工作压力一般小于0.6MPa。
CAS号：
性质：带金属接管的夹布囊状橡胶密封制品。胶料一般用丁腈橡胶、氯丁橡胶等，采用手工贴合成型、硫化罐硫化而成。用于输油管道维修、工艺改造等作业，起封堵原油的作用。工作压力一般小于0.6MPa。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条