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94 Part I Liquid Drilling Systems
Illustrative Example 4.2 (Continued )
Annulus Inside Pipe Maxi Pump P.
0
5000
MD (ft)
10000
15000
0 2000 4000 6000 8000 10000
Pressure (psi)
Figure 4.1 Pressure profile in the circulating system.
0
5000
MD (ft)
10000
15000
0.60 0.65 0.70 0.75
Cuttings Concentration (%)
Figure 4.2 Cuttings concentration profile in the circulating system.
The calculated effects of the mud flow rate on other parameters are
shown in Table 4.2. These parameters include hydraulic horsepower, jet
impact force, ECD, pump pressure, and pressure components. The calcu-
lated hydraulic horsepower profile is illustrated in Figure 4.3. It shows
