March 1998
Industry At A Glance
98-03_lift-pt1-lea_fig8.html (Mar-1998)
A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
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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 World Oil
Copyright © 1999 Gulf Publishing Company
