桥式滤水管在平原地热深井中的应用

摘要

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.%本文主要介绍在700～1300m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。