DR Roller Reamer Oil Drilling Tools
DR Roller Reamer Oil Drilling Tools
Description
DR Roller Reamer Oil Drilling Tools
DR roller reamer is designed for various reaming operation but particularly for stabilization purpose when drilling in very abrasive formations.For one body luben@youlongpetro.com ,it can suit for different similar hole size by proper configured roller and upper,lower axle seat.https://www.youlongpetro.com New assembly of roller and upper,lower axle seat is easy to replaceable on platform,Whatsapp+8615972752793 there is a “T”groove between axle seat and main body,so the structure is more stable and safety.
| Model | Working OD | ID | Body OD | OAL | Roller OD | Roller Length | Connection |
| mm(inch) | mm(inch) | mm(inch) | mm(t) | mm(inch) | mm(inch) | ||
| DR149 | 149.2(5-7/8)
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31.8(1-1/4) | 120.7(4-3/4) | 1600(5.2) | 46(1-13/16) | 200(7-7/8) | NC38 |
| DR152 | 152.4(6) | 31.8(1-1/4) | 120.7(4-3/4)
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1600(5.2) | 50.8(2) | 200(7-7/8) | NC38 |
| DR156 | 155.6(6-1/8) | 31.8(1-1/4) | 120.7(4-3/4) | 1600(5.2) | 50.8(2) | 200(7-7/8) | NC38 |
| DR216 | 215.9(8-1/2) | 48(1-57/64) | 165(6-1/2)
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1800(5.9) | 71.4(2-13/16) | 200(7-7/8) | NC50 |
| DR311 | 311.15(12-1/4) | 71.4(2-13/16) | 203(8) | 1900(6.2) | 100(3-15/16) | 300(11-13/16) | 6-5/8REG |
| DR444 | 444.5(17-1/2) | 76.2(3) | 229(9) | 2100(6.9) | 140(5-1/2) | 304(12) | 7-5/8REG |
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