发明名称 DRILLING RIG AND DRILLING METHOD
摘要 The invention relates to drilling rig and respective drilling method at which there are provided mast standpipe, carriage that moves along mast standpipe and unified drive unit for displacement of carriage by mast standpipe. According to the invention unified drive unit has hydraulic cilinder drive and rope winch drive. Drill carriage can be connected to hydraulic cilinder drive and to rope winch drive as well.
申请公布号 UA89592(C2) 申请公布日期 2010.02.10
申请号 UA20080013887 申请日期 2008.12.02
申请人 BAUER MASCHINEN GMBH 发明人 RIEDER OTTO;HACKL STEFAN
分类号 E21B7/02 主分类号 E21B7/02
代理机构 代理人
主权项
地址