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Option Nozzles Sizes 1 2 3 4 5 6 7 8 9 10 A 14 14 14 16 16 16 0 0 0 0 B 0 0 0 0 0 0 0 0 0 00 C 0 0 0 00 00 00 00 00 00 00 Input Data Flow Rate (Gpm) 850.00 Mud Wt (Ppg) 10.30 Hole Size (in) Calculation A Nozzle Velocity 261.53 Bit P/ Loss (psi 629.01 B #DIV/0! #DIV/0! C #DIV/0! #DIV/0! H S I (HHP/in 2 )

TFA Calculator

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Total Flow area calculator for Bits.

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Page 1: TFA Calculator

OptionNozzles Sizes TFA

1 2 3 4 5 6 7 8 9 10

A 14 14 14 16 16 16 0 0 0 0 1.040

B 0 0 0 0 0 0 0 0 0 00 0.000

C 0 0 0 00 00 00 00 00 00 00 0.000

Input DataFlow Rate (Gpm) 850.00 Mud Wt (Ppg) 10.30 Hole Size (in) 14.50

Calculation

A Nozzle Velocity (fp261.53 Bit P/ Loss (psi) 629.01 1.89

B ### ### ###

C ### ### ###

in2

H S I (HHP/in2)

L13
TRINMAR: (PI()/4)*(1/32)^2*(H14^2+I14^2+J14^2+K14^2+L14^2+M14^2+N14^2) Sums up the c/s area of all nozzles.