摘要
GCF - 2 0A型冲击 -回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机 ,可适应软、硬岩石等不同地层钻进的要求。阐述了该钻机技术参数及性能参数的合理选择。
GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented. It can meet the drilling requirements in different formations, such as soft rock to hard rock. The proper selection of the technical specifications and performance specifications of the drill rig, as well as its scope of applications and application results are described.
出处
《探矿工程》
2001年第5期27-28,共2页
Exploration Engineering(Drilling & Tunneling)
