PRODUCTS
IADC 637R
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Category：
TCl bit
Product details
Nomenclature of RUlSHI Oil Well TCl Tricone Bit Model
| IADC | 5 | 3 | 3 |
| IADC Code | 1, 2, 3: Milled teeth bits from very soft to hard formations 4,5,6,7,8: TCl bits,from very soft to hard formations |
1, 2, 3, 4 from very soft to very hard formations,bits differ in number and size of cutters/inserts |
1:Standard open roller bearing 2:Standard open roller bearing,air-cooled 3:Standard open roller bearing with gauge protection 4:Sealed roller bearing 5:Sealed roller bearing with gauge protection 6:Sealed friction bearing 7:Sealed friction bearing with gauge protection |
BITS SPECIFICATIONS
| BITS SIzE (in) | 8-1/2" | 9-1/2" | 12-1/2" |
| BITS SIzE (mm) | 215.9 | 241.3 | 311.1 |
| IADC CODE | 637R | 637R | 637R |
| Connectionbuckle type | 4-1/2"API-REG | 6-5/8"API-REG | 6-5/8"API-REG |
| RecommendedRPM (r/min) | 180-40 | 180-40 | 180-40 |
| RecommendedwOB(KN/mm) | 0.5-1.1 | 0.5-1.1 | 0.5-1.1 |
PRODUCT FEATURES
Suitable for extremely hard formations with high compressive strength and high abrasiveness
Sandstone、limestone、dolomite、anhydrite、marble…
Wear-resistant coating
Carbide wear-resistant material is applied to the palm tip and the edge of the tooth palm
Increase wear resistance and life of the bit
Six-point stabilization system
Make the cone bit contact the well wall through six stress points、improve the stability of bit and protect the integrity of cutting tooth structure
Gauge inserts of high-quality tungsten carbide alloy
Reduce the wear of bit in grinding formations
Improve the stability and life of bit
Hemi-spherical ended shape insert
Better bending strength
Further improve the wear resistance and life of bit
Optimize water conservancy structure
Enhance the self-washing ability and life of bit
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To: Hebei Ruishi Bits Manufacturing Co.,Ltd
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No. 502, Taishan North Road, Renqiu Economic Development Zone, Hebei China
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