Info
Reference Line
FIGURE 2.3 Practical chart for drill collar selection—2-in. ID. (From Drilco, Division of Smith International, Inc.).
63/4
53/4
43/4
Reference Line
FIGURE 2.4 Practical chart for drill collar selection—2-4 -in. ID. (From Drilco, Division of Smith International, Inc.).
5V2 REG
3V2 REG
3V2 E.H
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