8 1/2 Nti PDC Drill Bit M137 rau Cov Pob Zeb Nyuaj Heev Drilling
Kev piav qhia txog khoom
Cov neeg ua haujlwm drilling yuav tsum xav txog:
1> Lub cev Matrix lossis lub cev hlau.
2> Qhov ntau thiab tsawg ntawm cov hniav txiav.
3> Ob kab txiav lossis ib kab.
4> Kev tiv thaiv kab sib txuas lossis ib txwm muaj, qhov ntev ntawm qhov ntsuas, cov ntaub ntawv tiv thaiv kab ntsuas.
5> Cov nozzles.
Daim Ntawv Thov
Nruab nrab-nyuaj rau cov qauv nyuaj nrog lub zog compressive qis, xws li shale nyuaj, limestone, sandstone, dolomite, gypsum nyuaj,
pob zeb marble, thiab lwm yam.
Cov yam ntxwv
Lub M1375 yog lub cev matrix PDC ntsis nrog 7 hniav nkhaus nrog kev tiv thaiv rov qab-reaming thiab kauv ntsuas. Kev tsim kho Hydraulic zoo tshaj plaws
thiab txhim kho kev ntxuav thiab txias ntawm cov ntsis kom tiv thaiv cov ntsis los ntawm kev pob.
Cov Khoom Siv Qhia Txog Khoom
Cov Khoom Qhia Txog PDC Drill Bits M137 Rau Cov Pob Zeb Nyuaj Heev Drilling
| Tus naj npawb ntawm cov hniav | 7 |
| Qhov Loj ntawm Lub Tshuab Txiav Tseem Ceeb | 13 hli |
| Qhov ntau ntawm lub nozzle | 6 NZ |
| Qhov Ntev ntawm Gauge | 2.2 Nti |
Cov Kev Ntsuas Ua Haujlwm
| RPM (r/min) | 60 ~ 260 |
| WOB (KN) | 20 ~ 100 |
| Tus Nqi Nqus (lps) | 22~35 |











