摘要
针对天津市地热定向井施工中存在的孔壁不稳的问题,经过摸索,采用聚合物防塌钻井液进行护壁堵漏,取得了良好的效果。介绍了聚合物防塌钻井液的组分、作用机理、特点以及现场应用情况。
Polymer anti-caving drilling fluid was used to deal with hole wall instability in constriction of directional geothermal well in Tianjin. The components, mechanism, specifications of the drilling fluid and the field application are introduced.
出处
《探矿工程（岩土钻掘工程）》
2007年第6期53-55,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
地热定向井
聚合物
防塌
钻井液
directional geothermal well
Polymer
anti-caving
drilling fluid
