4” 5” 6” dth hamore DHD 340 350 konopo ea ho phunya
Lejoe la DTH ke lejoe la ho seha sesebelisoa.Sinodrills DTH bit e entsoe ka tšepe ea boleng bo holimo ea alloy e entsoeng ke Timken naheng ea US Ntle le moo, karolo eohle ea rona ea DTH e sebelisa mofuta oa "Element Six" TC carbide e fanang ka (likonopo tsa TC) bakeng sa Boart Longyear.Ntle le moo, theknoloji ea tlhahiso ea bonono e etsa hore karolo ea rona ea DTH e be le boleng bo holimo le bo tšepahalang haholoanyane.
Setaele se fapaneng sa sefahleho se etsa hore bonyane ba DTH e loketse maemo a fapaneng a majoe.
Sefahleho se bataletseng: Ona ke moralo o akaretsang, haholo bakeng sa sebopeho sa mafika a thata le a hlabang.Ka tloaelo, sefahleho se bataletseng se nang le li-button tsa hemi-spherical ke khetho e tsebahalang haholo.
Sefahleho sa Convex: Moralo oa khale oa sebopeho sa mafika a thata ho isa ho a mahareng a sa sotleheng hakaalo.Moralo ona o na le sekhahla se setle haholo sa ho kenella empa o fokola ho kheloha mekoting haeba mafika a thata.
Sefahleho sa Concave: Majoe a mahareng a thata ho isa ho a thata a sa qhekellang ebile a robehile.Haholo-holo bakeng sa ho cheka mekoti e tebileng, taolo e babatsehang holim'a ho kheloha ha lesoba.
| Mohlala | Khokahano ea Khoele | OD(mm) | Rec.Hole Size | Mokhoa oa Shank | Khatello ea Mosebetsi(Bar) |
| CD35 | API 2 3/8" Reg | φ82mm | φ90-φ105 | DHD3.5 CD35 | 1.0-1.5Mpa |
| CD45 | API 2 3/8" Reg | φ99mm | φ110-φ135 | Cop44 DHD340 CD45 | 1.0-2.5Mpa |
| CSD4 | API 2 3/8" Reg | φ99mm | φ110-φ135 | SD4 CSD4 | 1.0-2.5Mpa |
| CQL40 | API 2 3/8" Reg | φ99mm | φ110-φ135 | QL40 CQL40 | 1.0-2.5Mpa |
| CD55 | API 2 3/8" Reg API 3 1/2" Reg | φ125mm | φ135-φ155 | Cop54 DHD350R CD55 | 1.0-2.5Mpa |
| CSD5 | API 3 1/2" Reg | φ125mm | φ135-φ155 | SD5 CSD5 | 1.0-2.5Mpa |
| CQL50 | API 3 1/2" Reg | φ125mm | φ135-φ155 | Cop54 QL50 CQL50 | 1.0-2.5Mpa |
| CD65 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64 DHD360 CD65 | 1.0-2.5Mpa |
| CSD6 | API 3 1/2" Reg | φ148mm | φ155-φ190 | SD6 CSD6 | 1.0-2.5Mpa |
| CQL60 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64 QL60 CQL60 | 1.0-2.5Mpa |
| CD85 | API 4 1/2" Reg | φ185 limilimithara | φ195-φ254 | Cop84 DHD380 CD85 | 1.0-2.5Mpa |
| CSD85 | API 4 1/2" Reg | φ185 limilimithara | φ195-φ254 | SD8 CSD8 | 1.0-2.5Mpa |
| CQL80 | API 4 1/2" Reg | φ185 limilimithara | φ195-φ254 | QL80 CQL80 | 1.0-2.5Mpa |
| CSD10 | API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg | φ225 limilimithara | φ254-φ311 | SD10 CSD10 | 1.0-2.5Mpa |
| CN100 | API 6 5/8" Reg | φ225 limilimithara | φ254-φ311 | NUMA100 CN100 | 1.0-2.5Mpa |
| CSD12 | API 6 5/8" Reg | φ275 limilimithara | φ305-φ445 | SD12 CSD12 | 1.0-2.5Mpa |
