天津地区地热钻井及成井技术

Geothermal Well Drilling and Completion in Tianjin Area

摘要:

多年来，天津地热钻井技术不断发展。天津市地热井施工最深达4041 m，最高井口温度105 ℃，自流水量300 m3/h。针对天津地区不同热储层的钻井工艺技术进行简要介绍，并总结了一些经验教训。

Abstract:

Geothermal well drilling technique has been developing in recent years in Tianjin area with 4041 m in ultimate depth, 105 ℃ of the highest temperature at wellhead and outlet of 300 m3/h. The article briefly introduced the drilling technology in different geothermal reservoirs, and summarized the experience and lessons.