202 ELECTRIC PUMPING EQUIPMENT AND NOTES OF INTEREST ON 
It will be noted that the La Brea consumed 17.09 per cent less fuel steaming, 
42.47 per cent less fuel in port, 44.92 per cent less time in discharging, 17.43 per cent 
less fuel per knot steaming, 17.92 per cent less fuel per knot steaming and in port, 
and discharged 83.65 per cent more barrels of oil per hour. 
The length and size of discharge pipes and pressure pumped against at dis- 
charging ports are reported to be as follows:— 
Oleum—one 10-inch pipe, 2,000 feet long, pressure 140 pounds. 
Seattle—one 8-inch pipe, 1,500 feet long, pressure 140 pounds. 
Taltal—two 6-inch pipes, 250 feet long each, branching into one 8-inch pipe 
200 feet long, pressure 80 pounds. 
Antofagasta—two 8-inch pipes, 2,100 feet long, pressure 85 pounds. 
The temperatures and gravities of oil while being discharged on the seven voy- 
ages are as follows:— 
Voyage Temperature Gravity, Baumé 
No. 1 64°F. 25.9 Refining crude 
No. 2 56°F. 18.0 
No. 3 62°F. 165.6 
No. 4 RED 16.8 
No. 4 70°F. 17.4 
No. 5 60°F. 26.3 Refining crude 
No. 6 64°F. 18.1 
No. 7 64°F. 16.7 
Not over eight or ten pumps should be operated in connection with a 12-inch 
shore line according to pressure. 
