漏井 meaning in Chinese

blind hole

Water shutoff agent dsz - a is composed of inorganic particle . its specialities are low cost , easily flow , high strength and long valid period . the agent suits non - selective water shutoff in sand formation . dsz - a not only can plug high water - bearing formation , but also can plug case leakage . dsz - a has been applied on site and gotten good effect . it is a agent which has wide prospect
对东安1井长段超低压裂缝恶性井漏的堵漏进行了分析研究,提出了"增阻"堵漏工艺,并对具有"增阻"性质的堵漏方法进行了对比和现场试验,认为对东安1井这类井漏井,充分暴露漏层,提高堵漏效率,可提高综合钻井速度