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  3. 2-) given the following data: drilling fluid densi

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

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Mechanical Engineering

2-) 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: 4,500psi

Minimum Flow Rate: 350 gpm

Parasitic pressure losses of 2,173psi and 1,388 psi are anticipated while circulating mud at flowrates 500 gpm and 390 gpm respectively.

a-) Determine the parasitic pressurelosses when the bit hydraulic horsepower is maximum.

b-) Determine the optimum flow ratewhen the bit hydraulic horsepower is maximum.

c-)Determine the pressure dropacross bit nozzles when the bit hydraulic horsepower ismaximum.

d-) Determine the optimum sizes ofthree nozzles to be used for the next bit run using the maximum bithydraulic horsepower criteria.

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