API 7K Aina ya Uendeshaji wa Kamba ya Kuchimba Bomba ya DU Drill
Kuna aina tatu za safu ya DU Drill Pipe Slips: DU, DUL na SDU. Ziko na safu kubwa ya utunzaji na uzani mwepesi. Ndani yake, miteremko ya SDU ina maeneo makubwa ya kuwasiliana kwenye taper na nguvu ya juu ya upinzani. Zimeundwa na kutengenezwa kulingana na API Spec 7K Specification kwa ajili ya kuchimba visima na vifaa vya kuhudumia visima.
Vigezo vya Kiufundi
Hali | Ukubwa wa Mwili (ndani) | |||||
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 |
Andika ujumbe wako hapa na ututumie