Kub Muag Dth Rauj Thiab Me Ntsis Nqe Hauv Suav Teb
* Cov khoom tshiab tsim raws li cov xwm txheej mining hauv Suav teb, txhim kho los ntawm kev siv tshuab siab heev los ntawm kev lag luam thoob ntiaj teb.
* Cov ntaub ntawv zoo tshaj, cov txheej txheem siab heev, lav zoo.
* Cov nqi drilling ceev dua.
* Hardness tuaj yeem txhim kho kom nthuav dav lub neej ntawm rauj, thiab txo tus nqi.
* Loj impulse nrog tsawg siv hluav taws xob.
* Cov kev xav niaj hnub no tau txais los ntawm cov qauv tsim, uas ua rau muaj kev ntxhov siab.
* Lub sijhawm nthwv dej ntev dua, qhov kev ntxhov siab amplitude qis dua, thiab lub piston lub neej ntev.
  * Cov ntaub ntawv zoo tshaj, cov txheej txheem siab heev, lav zoo.
* Cov nqi drilling ceev dua.
* Hardness tuaj yeem txhim kho kom nthuav dav lub neej ntawm rauj, thiab txo tus nqi.
* Loj impulse nrog tsawg siv hluav taws xob.
* Cov kev xav niaj hnub no tau txais los ntawm cov qauv tsim, uas ua rau muaj kev ntxhov siab.
* Lub sijhawm nthwv dej ntev dua, qhov kev ntxhov siab amplitude qis dua, thiab lub piston lub neej ntev.
| Qauv | Xov txuas | OD (mm) | Rec.Hole Size | Shank Style | Ua haujlwm siab (Bar) | 
| CD35 | API 2 3/8" Reg | f82mm ua | φ90-φ105 | DHD 3.5  CD35 | 1.0-1.5Mpa | 
| CD45 | API 2 3/8" Reg | f99mm ua | φ110-φ135 | Cop 44  DHD 340 CD45 | 1.0-2.5Mpa | 
| CSD4 | API 2 3/8" Reg | f99mm ua | φ110-φ135 | SD4  CSD4 | 1.0-2.5Mpa | 
| CQL40 | API 2 3/8" Reg | f99mm ua | φ110-φ135 | QL40  CQL40 | 1.0-2.5Mpa | 
| cd55 ua | API 2 3/8" Reg  API 3 1/2" Reg | φ125 hli | φ135-φ155 | Cop 54  DHD 350R cd55 ua | 1.0-2.5Mpa | 
| CSD 5 | API 3 1/2" Reg | φ125 hli | φ135-φ155 | SD5  CSD 5 | 1.0-2.5Mpa | 
| CQL 50 | API 3 1/2" Reg | φ125 hli | φ135-φ155 | Cop 54  QL 50 CQL 50 | 1.0-2.5Mpa | 
| cd65 ua | API 3 1/2" Reg | φ148 hli | φ155-φ190 | Cop 64  DHD 360 cd65 ua | 1.0-2.5Mpa | 
| CSD 6 | API 3 1/2" Reg | φ148 hli | φ155-φ190 | SD6  CSD 6 | 1.0-2.5Mpa | 
| CQL 60 | API 3 1/2" Reg | φ148 hli | φ155-φ190 | Cop 64  qw 60 CQL 60 | 1.0-2.5Mpa | 
| cd85 ua | API 4 1/2" Reg | φ185 hli | φ195-φ254 | Cov 84  DHD 380 cd85 ua | 1.0-2.5Mpa | 
| CSD 85 | API 4 1/2" Reg | φ185 hli | φ195-φ254 | SD 8  CSD 8 | 1.0-2.5Mpa | 
| CQL80 | API 4 1/2" Reg | φ185 hli | φ195-φ254 | qw 80  CQL80 | 1.0-2.5Mpa | 
| CSD 10 | API 4 1/2" Reg  API 5 1/2" Reg API 6 5/8" Reg | φ225 hli | φ254-φ311 | SD 10  CSD 10 | 1.0-2.5Mpa | 
| CN 100 | API 6 5/8" Reg | φ225 hli | φ254-φ311 | NUMA 100  CN 100 | 1.0-2.5Mpa | 
| CSD 12 | API 6 5/8" Reg | φ275 hli | φ305-φ445 | SD 12  CSD 12 | 1.0-2.5Mpa | 
Dth drilling Cov dej zoo drilling
   Sau koj cov lus ntawm no thiab xa tuaj rau peb
 
         












