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PDC drill bit 311.2 ES1656TE/S423
Classification
PDC drill bit 311.2 ES1656TE/S423
Product Description
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Technical Specifications PRODUCT SPECIFICATIONS |
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Number of Blades |
6 |
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Cutter Quantity |
109 |
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Primary Cutter Size |
16mm |
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Primary Cutter Quantity |
49 |
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Gauge Length |
75mm |
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Junk Slot Area |
15000mm2 |
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Connection |
6 5/8 REG |
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Bit Weight |
100KG |
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Nozzle Quantity/Type |
9NZ |
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OPERATING RECOMMENDATIONS |
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Weight on Bit |
30～140 KN |
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Rotation Speed |
50～250 RPM |
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Hydraulic Flow Rate |
40～70 L/S |
| Recommended Torque | 49.56～51.43 Kn•m |
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Design Features |
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■Suitable for soft to medium hard formations. |
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Suitable for drilling soft to medium hard formations |
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■The bit body is made of superior alloy steel which has excellent strength and toughness. The surface is reinforced to prevent erosion and prolong the service life of the bit. |
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Bit body is made of superior alloy steel which has excellent strength and toughness. Bit surface is reinforced in order to prevent erosion and prolong service life of the bit. |
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■Middle or low density cutter arrangement and deep & wide junk slot design to meet the needs of fast drilling. |
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| Middle or low density cutter arrangement and deep & wide junk slot design to satisfy requirement for fast drilling applications. | |||||||
| ■The application of impact-resistant cutting structure technology and auxiliary cutting technologies has expanded the applicable range of the bit. | |||||||
| Applicable range of the bit is widened through utilization of technologies such as impact resistant cutting structure and auxiliary cutters, etc | |||||||
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■Computational Fluid Dynamics (CFD) hydraulic balance design |
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CFD hydraulic balance design. |
Label
Key words:
PDC钻头
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