PDC bit 311.2 ES1657E/S423
PDC bit 311.2 ES1657E/S423
311.2 ES1657E/S423
Category
PDC bit
PDC bit 311.2 ES1657E/S423
Product description
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PRODUCT SPECIFICATIONS |
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|
Number of Blades |
7 |
|
Cutter Quantity |
128 |
|
Primary Cutter Size |
16mm |
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Primary Cutter Quantity |
65 |
|
Gauge Length |
75mm |
|
Junk Slot Area |
18000mm2 |
|
Connection |
6 5/8 REG |
|
Bit Weight |
107KG |
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Nozzle Quantity/Type |
10NZ |
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OPERATING RECOMMENDATIONS |
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|
Weight on Bit |
30～140 KN |
|
Rotatoin 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 drilling soft to medium hard formations |
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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 satisfy requirement for fast drilling applications. | |||||||
| Applicable range of the bit is widened through utilization of technologies such as impact resistant cutting structure and auxiliary cutters, etc | |||||||
|
CFD hydraulic balance design. |
Keyword:
PDC钻头
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