API 7K Type DU Drill Pipe Slip Drill String Operation
ʻEkolu ʻano o DU series Drill Pipe Slips: DU, DUL a me SDU. ʻO lākou me ka laulā nui a me ke kaumaha māmā. Ma laila, ʻoi aku ka nui o nā wahi pili i nā SDU ma ka taper a me ka ikaika kūʻē kiʻekiʻe. Hoʻolālā ʻia lākou a hana ʻia e like me ka API Spec 7K Specification no ka wili ʻana a me nā lako lawelawe maikaʻi.
Nā ʻāpana ʻenehana
Ke ano | Ka nui o ke kino pahee (i) | |||||
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 |
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou