API 7K Hom DU Drill Pipe Slip Drill String Operation
Muaj peb hom DU series Drill Pipe Slips: DU, DUL thiab SDU. Lawv muaj ntau yam kev tuav thiab lub teeb yuag. Yog li ntawd, SDU slips muaj thaj chaw sib cuag loj dua ntawm lub taper thiab lub zog tiv taus siab dua. Lawv tau tsim thiab tsim tawm raws li API Spec 7K Specification rau kev khawb thiab cov khoom siv pabcuam qhov dej.
Cov Kev Ntsuas Kev Txawj
| Hom | Qhov Loj ntawm Lub Cev (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 | 4 1/2 | 114.3 |
| 2 7/8 | 73 | 4 | 101.6 | 5 | 127 | |
| 3 1/2 | 88.9 | 4 1/2 | 114.3 | 5 1/2 | 139.7 | |
| 4 | 101.6 | 5 | 127 | 6 5/8 | 168.3 | |
| 4 1/2 | 114.3 | 5 1/2 | 139.7 | 7 | 177.8 | |
| DUL | 2 3/8 | 60.3 | 3 1/2 | 88.9 | 4 1/2 | 114.3 |
| 2 7/8 | 73 | 4 | 101.6 | 5 | 127 | |
| 3 1/2 | 88.9 | 4 1/2 | 114.3 | 5 1/2 | 139.7 | |
| 4 | 101.6 | 5 | 127 | 6 5/8 | 168.3 | |
| 4 1/2 | 114.3 | 5 1/2 | 139.7 | 7 | 177.8 | |
| SDU | 3 1/2 | 88.9 | 4 1/2 | 114.3 | ||
| 4 | 101.6 | 5 | 127 | |||
| 4 1/2 | 114.3 | 5 1/2 | 139.7 | |||
| 5 | 127 | 6 5/8 | 168.3 | |||
| 5 1/2 | 139.7 | 7 | 177.8 | |||
Sau koj cov lus ntawm no thiab xa tuaj rau peb






