1.Hole openers are designed for theenlargement of pilot holes and large hole applications.They
are also used for road and rivercrossing application.
2.The hole openers are manufacturedfrom AISI 4145H fully heat-treated alloy steel.All are available withcarbide-milled teeth and insert cutters.Arms and cutters are hardfaced forprotection in three different designs for varying conditions and rockformations.The design of the hole opener allows for field-changing thecutters.They has a wide range of hole opener types,including.
CuttingStructure
The reamer mainly consists of four ormore cones. Cutting Structure with premium tungsten carbide hardfacing orpremium tungsten carbide insert of formulas and new techniques is utilized, andincreases wear-resistance capability of reamer. The pilot is three cone bit(tricone bit ).
Seal andLubrication
High performanceHNBR O-ring for bearing seal and advanced grease for lubrication.
High performanceHNBR O-ring for bearing seal and advanced grease for lubrication.
ProductApplication
It is suitable forthe large size well, mining and infrastructure applications.
It is suitable forthe large size well, mining and infrastructure applications.
| Hole Size | PilotHole | StandardFishing Nick O.D | ThreadType | |
| Upper | Lower | |||
| 7-5/8 | 5-5/8 | 5-1/2~6 | 4-1/2 REG | 3-1/2 REG |
| 8-1/2 | 5-5/8 | 5-1/2~6 | 4-1/2 REG | 3-1/2 REG |
| 10-5/8 | 7-5/8 | 8 | 6-5/8 REG | 4-1/2 REG |
| 12-1/4 | 8-1/2 | 8 | 6-5/8 REG | 4-1/2 REG |
| 14-3/4 | 10-5/8 | 8~9-1/2 | 6-5/8 REG | 6-5/8 REG |
| 17 | 10-5/8 | 8~9-1/2 | 6-5/8 REG | 6-5/8 REG |
| 17-1/2 | 10-5/8 | 8~9-1/2 | 6-5/8 REG | 6-5/8 REG |
| 20 | 15 | 8~9-1/2 | 6-5/8 or 7-5/8REG | 7-5/8 REG |
| 24 | 15 | 8~9-1/2 | 6-5/8 or 7-5/8REG | 7-5/8 REG |
| 26 | 15 | 8~9-1/2 | 6-5/8 or 7-5/8REG | 7-5/8 REG |
| 36 | 26 | 9-1/2~10-1/2 | 7-5/8 or 8-5/8REG | 8-5/8 REG |
| 42 | 26 | 9-1/2~10-1/2 | 7-5/8 or 8-5/8REG | 8-5/8REG |
Our company is a professional supplier of Drilling Tools and Equipments in China.With many years of experience in the petroleum market, and also high quality and good price.
Pls contact me with details!
