API 7K Hom DU Drill Pipe Slip Drill String Operation
Muaj peb hom DU series Drill Pipe Slips: DU, DUL thiab SDU.Lawv yog cov nrog loj tuav ntau thiab lub teeb yuag.Nyob rau hauv tas li ntawd, SDU slips muaj loj dua qhov chaw sib cuag ntawm lub taper thiab siab zog kuj.Lawv tau tsim thiab tsim raws li API Spec 7K Specification rau drilling thiab cov khoom siv zoo.
Technical Parameters
| Hom | Slip Lub Cev Loj (hauv) | |||||
| 4 1/2 | 5 1/2 | 7 | ||||
| DP OD | DP OD | DP OD | ||||
| in | mm | in | mm | in | mm | |
| DU | 2 3/8 | 60.3 | 3 1/2 | 88.9 ua | 4 1/2 | 114.3 ib |
| 2 7/8 | 73 | 4 | 101.6 ib | 5 | 127 | |
| 3 1/2 | 88.9 ua | 4 1/2 | 114.3 ib | 5 1/2 | 139.7 ib | |
| 4 | 101.6 ib | 5 | 127 | 6 5/8 | 168.3 ib | |
| 4 1/2 | 114.3 ib | 5 1/2 | 139.7 ib | 7 | 177.8 ib | |
| DUL | 2 3/8 | 60.3 | 3 1/2 | 88.9 ua | 4 1/2 | 114.3 ib |
| 2 7/8 | 73 | 4 | 101.6 ib | 5 | 127 | |
| 3 1/2 | 88.9 ua | 4 1/2 | 114.3 ib | 5 1/2 | 139.7 ib | |
| 4 | 101.6 ib | 5 | 127 | 6 5/8 | 168.3 ib | |
| 4 1/2 | 114.3 ib | 5 1/2 | 139.7 ib | 7 | 177.8 ib | |
| SDU | 3 1/2 | 88.9 ua | 4 1/2 | 114.3 ib | ||
| 4 | 101.6 ib | 5 | 127 | |||
| 4 1/2 | 114.3 ib | 5 1/2 | 139.7 ib | |||
| 5 | 127 | 6 5/8 | 168.3 ib | |||
| 5 1/2 | 139.7 ib | 7 | 177.8 ib | |||
Cov khoom lag luam ntsig txog
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