160 
70 
60 
oa 
(=) 
Pressure (psi x 109) 
b 
fa) 
30 
20 
10 
0 
A Motor input 
B Motor exhaust 
1-inch ID, n = 1.46% 
86 gpm 
100 hp 
20,000-foot depth 
pressure limit for commercial 
: 5 2-inch-!D hose 
Geet 228 f (Knechtel, 1967) 
4 3.inch ID, n = 76% 
10 20 10 
Surface Bottom 
Length of Hose 
(feet x 103) 
Figure 10. Hydraulic gradient for three two-hose oil systems: 86 gpm. 
13 
Surface 
