89 hli laum yeeb nkab rau dej zoo drilling nrog API IF xov
Qhov no dej zoo drilling laum yeeb nkab, daim ntawv luv luv ntawm lub qhov laum yeeb nkab, yog ib hom ntawm sab nrauv laum pas nrig.Nws yog tsuas yog siv nyob rau hauv teb percussive drilling uas muaj gases thiab kua.Nws cov khoom tseem ceeb suav nrog cov yeeb nkab (qhib) lub cev thiab sib koom ua ke.
Peb lub qhov dej laum yeeb nkab yog tsim los ntawm API cov qauv.Thiab raws li cov kev cai tshwj xeeb, peb kuj muab hom DTH laum yeeb nkab nyob rau hauv txawv Suav thiab Asmeskas specifications.
Raws li rau nws qhov zoo, nws muaj cov yam ntxwv ntawm qhov loj rigidity, zoo sealing muaj peev xwm, tiaj tus txheej txheem, thiab tsis tshua muaj torque thiab kuj thaum rotating.
Raws li kev ntim khoom, ib pob ntawm DTH laum kav yuav tau ntim los ntawm ib txheej ntawm cov hlau, thiab ib pob yuav muaj 30 mus rau 40 cov kav dej.
Technical Parameters ntawm DTH Drill Pipe (Outer Flat Drill Rod):
| Txoj kab uas hla | Ntev | Wrench Flats | Xov |
| 50-194 hli | 500-10700 hli | 40,57,65,75,83,95mm ua | F42 × 10 F48 × 10 2 3/8'' API REG |
| 2 7/8'' API REG 3 1/2'' API REG 2 3/8'API IB | |||
| 3 1/2 "BECO 4 "BECO 4 1/2 "BECO | |||
| 5 1/4 "BECO |
