March 1998
Industry At A Glance
98-03_lift-pt1-lea_8.html (Mar-1998)
A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
Fig. 8. Principle of Dual Action Pump System. On upstroke, larger lower plunger draws in water from lower valve and lifts oil / water through smaller upper plunger into tubing. On downstroke, lower plunger driven by rod and tubing fluid weight, draws in oil / water through upper inlet and pumps water downward through injection valve to disposal zone below packer. |
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Copyright © 1999 Gulf Publishing Company