PRODUCTS
8 1/2″ CHUAN8-3 connection core bit
Category：
Core and combined bit
Product details
Nomenclature of RUlSHI Core and combined bit Model
| S | 19 | 5 | 5 | X |
| S: Steel Body PDC Bit M： Matrix Body PDC Bit |
Cutter Size 19: diameter 19mm 16: diameter 16mm 13: diameter 13mm |
Blade Count 3、4、5、6... |
Formation from soft to hard 1-7 |
Design Characters J/A J Series X Sprial Gauge C Sidetracking Bit Q Core Bit B Bi-center Bit F Row Cutters G Advanced Cutters |
BITS SPECIFICATIONS
| Size | 8 1/2" |
| Number of blade | 10 |
| Primary Cutter Size(mm) | 16 |
| TFA（in2） | 0.5-1.2 |
| Gauge Length | 1.5" |
| Connection | 4-1/2" API REG |
RECOMMENDED PARAMETERS
| Rotary Speed(rpm) | 60-250 |
| Weight On Bit(KN) | 23-70 |
| Flow Rate(lps) | 11-20 |
Trait:curved crown、10 blades、core
Suitable for coring in medium soft formations
Soft shale、limestone、mudstone…
Arc-shaped crown design
Blade arrangement standard PDC cutters、reatly improve the cutting footage ability of the bit
Design of the balance of the binding force of the tooth arrangement
Improve bit coring rate
The water channel optimization design
Fully clean and cool the bit
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To: Hebei Ruishi Bits Manufacturing Co.,Ltd
CONTACT US
No. 502, Taishan North Road, Renqiu Economic Development Zone, Hebei China
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