摘要
本文主要介绍在 70 0~ 130 0 m地热深井中使用桥式滤水管解决在粉细砂、细砂地层中成井时经常出现涌砂现象的技术难题。获得了良好的经济效益和社会效益。
This paper introducs the use of bridge filter pipe in geothemal well 700~1300 m in depth,flow showing the difficult problem of the sand bursting often occouring in the drilling of fine sandy or silt\|sandy strata,where ideal economic and social effects were abtained.
出处
《水文地质工程地质》
CAS
CSCD
2000年第5期44-46,共3页
Hydrogeology & Engineering Geology
关键词
桥式滤水管
止水
洗井
涌砂
地热
深井
bridge filter pipe
water stopping well
washing
sand bursting