地热井表层套管常见事故及处理技术

Common Accidents of Geothermal Well Surface Casing and the Treatment

摘要:

介绍了北京地区地热井表层套管常见事故及处理技术，分别详述了地热井表层套管丝扣连接处发生卷起破损以及地热井表层套管拉槽破损2个地热井表层套管事故案例，并提出了预防表层套管事故的一些技术措施。

Abstract:

This article describes common accidents of geothermal well surface casing in Beijing with the handling technology by 2 successful cases. One is the break at thread connections of geothermal well surface casing; the other is the pulling scrach in the wall of geothermal well surface casing. Some technical measures for prevent surface casing accident were put forward.