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  3. 4-) given the following data: drilling fluid densi

4-) Given the following data: Drilling Fluid Density : 12 ppg Well Depth: 10,000 ft. Drill Bit Nozzle...

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Mechanical Engineering

4-) Given the following data:

Drilling Fluid Density : 12 ppg

Well Depth: 10,000 ft.

Drill Bit Nozzle Sizes: 13-13-13

Pump Horsepower: 1800

Pump Volumetric Efficiency: 80%

Maximum Pump Pressure: 4,500 psi

Minimum Flow Rate: 350 gpm

Parasitic pressure losses of 2,173 psi and 1,388 psi areanticipated while circulating mud at flow rates 500 gpm and 390 gpmrespectively.

a-) (10 points) Determine the parasitic pressure losses when thebit hydraulic horsepower is maximum.

b-) ( 5 points) Determine the optimum flow rate when the bithydraulic horsepower is maximum.

c-) (5 points) Determine the pressure drop across bit nozzleswhen the bit hydraulic horsepower is maximum.

d-) (5 points) Determine the optimum sizes of three nozzles tobe used for the next bit run, using the maximum bit hydraulichorsepower criteria.

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