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钻柱转换接头技术参数
| 名称Denotation | 上部连接件 Upper Connection Part | 下部连接件 Lower Connection Part | 型 式 Type |
| 方钻杆转换接头 Kelly Cross-over Joint | 方 钻 杆 Kelly | 钻 杆 接 头 Drill pipe joint | Ａ or B |
| 钻杆转换接头 Drill Pipe Joint | 钻 杆 接 头 Drill Pipe Joint | 钻 杆 接 头 Drill Pipe Joint | Ａ or B |
| 过渡转换接头 Crossover Joint | 方 钻 杆 Kelly | 钻 铤 Drill Collar | Ａ or B |
| 钻铤转换接头 Drill Collar Joint | 钻 铤 Drill Collar | 钻 铤 Drill Collar | Ａ or B |
| 钻头转换接头 Bit Joint | 钻 铤 Drill Collar | 钻 头 Bit | Ａ or B |
| 水龙头转换接头 Swivel Joint | 水龙头下接头 Swivel Lower Joint | 方 钻 杆 Kelly | C |
| 打捞用转换接头 Fish Joint | 方 钻 杆 Kelly | 钻 杆 接 头Drill Pipe Joint | C |
| 钻 杆 接 头Drill Pipe Joint | 打捞工具 Fishing Tool | C |
