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8 1/2″ 170X215-S1945
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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 | 4 |
| Primary Cutter Size(mm) | 19 |
| Nozzle Qty | 8 |
| Gauge Length | 2.5" |
| Connection | 4-1/2" API REG |
RECOMMENDED PARAMETERS
| Rotary Speed(rpm) | 60-250 |
| Weight On Bit(KN) | 30-180 |
| Flow Rate(lps) | 25-36 |
Trait:Four blade cross、spiral blade
Suitable for coring in medium soft formations
limestone、claystone、shale…
Leading water hole、coaxial four-blade cross design with the expanded water hole
Profit to the consistency and stability of the borehole
Widening water channel with spiral blade、 4 water holes for each leading water hole and expanding water hole
Beneficial to fast chip removal and improve drilling speed
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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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