套管钻头 Inner opener bits | 钻杆钻头 Crown opener bits | 外钻杆 External pipe | 内钻杆 Internal pipe | 内/外管连接头 Internal/External pipe adapter | 小接头/大接头 Small/Big adapter | |
165系列 165 Overburden Drilling | ||||||
直径(mm) Diameter | ø 175 | Ø135 | ø165 | Ø89 | Ø89 / ø165 | Ø89/ø165 |
长度(mm) Length | - | - | 2000 | 2000 | 250 / 300 | 350 |
螺纹型号 Thread | R152-2/3 | R78 | R152-2/3 | R78 | R78 / R152-2/3 |