See 1 RIG 3.
3.14159*0.25*2*10*((2*5^2)-(0.5^2))*(1/231) = 3.38 gal/stroke.
(2000-15 psi)(3.38 gal/srk*44 srk/min)/1714 = 173 hp or (A).
Thursday, August 6, 2020
Duplex Pump HP: 2017 #66
Problem 66: A duplex pump has a stroke length of 10 inches, a 5 inch diameter liner, and a ½ inch rod. The pump is old and in poor physical shape but still has excellent volumetric efficiency and generates pressure at 2,000 psia with ease at 50 44 SPM (strokes per minute). The pump’s hydraulic pump power is closest to: (A) 170 hp (B) 180 hp (C) 190 hp (D) 200 hp.
See 1 RIG 3.
3.14159*0.25*2*10*((2*5^2)-(0.5^2))*(1/231) = 3.38 gal/stroke.
(2000-15 psi)(3.38 gal/srk*44 srk/min)/1714 = 173 hp or (A).
See 1 RIG 3.
3.14159*0.25*2*10*((2*5^2)-(0.5^2))*(1/231) = 3.38 gal/stroke.
(2000-15 psi)(3.38 gal/srk*44 srk/min)/1714 = 173 hp or (A).
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