Place of Origin: | Hebei |
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Location: | Beijing, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Water Well Drilling Rig, DTH Drilling Rig, Anchor Drilling Rig |
Model No.: | 64~445mm |
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3 Wings Step Drag Bits for Soft Formation Water Well Mud Drilling 2.5 - 17.5 inch
Three Wings Step Drag Bits for water well mud drilling on soft formation 2.5inch to 17.5inch
Introduction
PDC drag bits series is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency, and special for the large diameter holes’ drilling.
Types: Ordinary type; Reinforced type; Super strength type.
Threads: Any female or male threads.
Characteristic
All sizes are generally 3 wings and standard design;
Any size of 4 wings or chevron type is upon customer’s request;
All sizes connection type are AROD,NROD or standard API thread;
Any special size and design is upon customer’s request.
Drag bits diameter:76mm to 445mm;
Step Drag Drill Bits thread sizes: :2 3/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 6 5/8” API Reg, etc;
Specification
No. | Bit Diameter | Bit Design | Type | Part No |
inch | mm | Step / Chevron | ||
1 | 2 1/2 | 64 | S/C | DB212S/DB212C |
2 | 2 3/4 | 70 | S/C | DB234S/DB234C |
3 | 2 15/16 | 75 | S/C | DB21516S/DB21516C |
4 | 3 | 76 | S/C | DB3S/DB3C |
5 | 3 1/8 | 79 | S/C | DB318S/DB318C |
6 | 3 1/4 | 83 | S/C | DB314S/DB314C |
7 | 3 1/2 | 89 | S/C |
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