Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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Water Well Drilling Step Drag Drill Bits 3 Wings 4 Wings API REG Thread
Product specifications:
Blade Bit is a common tool which used to rework operation, for drilling cement plug and sinker drilling sand bridge, salt bridge, scraping off the dirt of casing wall and hard wax and some mineral crystallization. Still can scraping well hole, making the wall bright and clean, it may used to drilling ahead in bushing and side track (Can destroy the keyway is formed when side track) or drilling and rubbing the mat of perforating shell, etc.
Under drilling and pressure effect, drilled goods as the cement is sucked at the bottom, through the rotation, the part of sucked is cutting in the direction of circumference, it will be drilling down gradually. Side lobe will be milled by drilling goods, forming cylinder space so that better dressing the well bore by drilling.
| Drag Bit Size(Inch) | 2"(51MM)~17 1/2"(444.5MM) |
| Drag bit Connection | 2 3/8"~6 5/8" API reg pin |
| Make up torque | 4-4.8/6-7.5/9.5-12/16-22/38-43/46-54 |
| Blades Quantity | 3~6NZ |
| Drag Bit Formation | Soft ,medium soft ,hard,medium hard,very hard formation. |
| Type | Dimension | Thread Connection | |
| inch | mm | ||
| 3 blades Step Type | 3 1/2~17 1/2 | 89~445 | N Rod,2 3/8 ~ 6 5/8 API REG / IF |
| 3 blades Chevron Type | 3 1/2~8 | 89~203 | N Rod,2 3/8 ~ 4 1/2 API REG / IF |
| 3 blades Step Type | 7 7/8~17 1/2 | 200~445 | 3 1/2 ~ 6 5/8 API REG / IF |
| 3 blades Chevron Type | 3 1/2~8 | 89~203 | N Rod,2 3/8 ~ 4 1/2 API REG / IF |
We can also provide related products DTH button bits, ODEX, symmetric overburden systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc
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