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| Bearing Type: | Rubber Sealed Friction Bearing | Cutting Material: | TCI |
|---|---|---|---|
| Standard: | API-7-1, ISO 9001:2008 | Series: | FSA |
| IADC: | 517 | Supplementary Features 1: | G : Reinforced Gauge Protection |
| Supplementary Features 2: | T : Trimming Cutter | Application 1: | Shallow Oil Well Drilling |
| Application 2: | Geothermal Well Drilling | ||
| High Light: | three cone bit,roller cone drill bit |
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9 5/8" FSA517GT , 244.5mm TCI Bit , Sealed Friction Bearing , Tricone Roller Bit , with Reinforced Gauge Protection
SIZE AVAILABLE
Form 3 7/8 inch to 36 inch
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.
The ROP will also be affected by the rotary speed of the bit and an optimum speed must be determined. The RPM influences the ROP because the teeth must have time to penetrate and sweep the cuttings into the hole. Figure 28 shows how ROP varies with RPM for different formations. The non-linearity in hard formations is due to the time required to break down rocks of higher compressive strength. Experience plays a large part in selecting the correct rotary speed in any given situation.
Contact Person: Jade
Tel: 0086-10-63405086
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