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Recommended Make-Up Torque, API Tolerances, …

Recommended Make-Up Torque, API Tolerances, TFA Chart Drill Bits Roller Cone BIT MAKE-UP 1) Use the correct bit breaker. 2) Inspect the bit for potential damage ...

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Text of Recommended Make-Up Torque, API Tolerances, …

Recommended Make-Up Torque, API Tolerances, TFA ChartDrill BitsRoller ConeBIT MAKE-UP1) Use the correct bit ) Inspect the bit for potential damage incurred during shipping. Make sure the inside of the bit is ) Place the bit breaker into the bushings or breaker ) Place the bit into the ) Apply thread compound to the bit s API connection. Make-up the bit using the appropriate torque value as in the chart above. Roller Cone Bits API Bit Tolerances RolleR Cone Bit Bit Size oD toleRanCe In. In. 6-3/4 and Smaller to +1/32 6-25/32 to 9 to +1/32 9-1/32 to 13-3/4 to +1/32 13-25/32 to 17-1/2 to +1/16 17-17/32 and Larger to +3/32 Roller Cone Bits Recommended Make-Up Torque* RoCk Bit Size tool-Joint type ReCommenDeD toRque In. In. ft-LbS JouLeS 4-5/8 to 4-3/4 2-7/8 API Reg 4500/5500 6102/7458 5-5/8 to 7-3/8 3-1/2 API Reg 7000/9000 9492/12204 7-1/2 to 9 4-1/2 API Reg 12000/16000 16272/21696 9-1/2 to 14-1/4 6-5/8 API Reg 28000/32000 37968/43392 14-1/2 to 28 7-5/8 API Reg 34000/40000 46104/54240 28 8-5/8 API Reg 40000/60000 54000/81000 note: the tool joint type for the 14-1/2 to 17-1/2-inch roller cone bit range is either 6-5/8 or 7-5/8 inches API Reg. *Calculations based on recommendations from API and tool-joint manufacturers. 2009 Halliburton. All rights reserved. Sales of Halliburton products and services will be in accord solely with the terms and conditions contained in the contract between Halliburton and the customer that is applicable to the sale. H03039 7/09 Bits (TFA) Total Flow Area Chart (Square Inches) nozzle 1 2 3 4 5 6 7 8 Size nozzle nozzleS nozzleS nozzleS nozzleS nozzleS nozzleS nozzleS 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 26 28

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