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| Bearing Type: | Sealed Friction Bearing | Cutting Material: | Tungsten Carbide Insert |
|---|---|---|---|
| Standard: | API-7-1, ISO 9001:2008 | Series: | FSA |
| Application 1: | Oil Well Drilling | Application 2: | Gas Well Drilling |
| Application 3: | Geothermal Well Drilling | Bit Size: | 13 5/8" ( 346.1mm ) |
| High Light: | milled tooth drill bit,oilfield drill bits |
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13 5/8" FSA517G , 346.1mm TCI Bit , Sealed Friction Bearing , Jetted Bit , Side Nozzles
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code | 417 |
437 447 |
517 527 |
537 547 |
617 627 |
637 | |
| WOB | KN/mm(Bit Dia.) | 0.4~0.9 | 0.4~0.9 | 0.35~1.0 | 0.5~1.0 | 0.6~1.1 | 0.7~1.2 |
| Lb/in. (Bit Dia.) | 2285~5142 | 2285~5142 | 2000~5714 | 2857~5714 | 3428~6285 | 4000~6857 | |
| Rotation Speed (Rpm) | 140~60 | 140~60 | 125~50 | 110~50 | 100~40 | 80~40 | |
The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.
ROLLER CONE BIT CONE DESIGN
All three cones have the same shape except that the No. 1 cone has a spear point. One of the basic factors to be decided, in the design of the cones, is the journal or pin angle .
The journal angle is formed between the axis of the journal and the horizontal. Since all three cones fit together, the journal angle specifies the outside contour of the bit. The use of an oversize angle increases the diameter of the cone and is most suitable for soft formation bits. Although this increases cone size, the gauge tip must be brought inwards to ensure the bit drills a gauge hole.
Contact Person: Jade
Tel: 0086-10-63405086
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