Abstract
Up to now, the lifting technology of oil well is mainly adopted by pumping unit. The basic principle of this process design is to adpot continuous pumping method, keep the balance of supply and production, and ensure certain pumping efficiency. In order to further improve the efficiency of collection fluid in pit shaft and lifting in bottom-hole, and realize the goal of increasing production and saving energy, we carry out the test in field and obtain the way of efficient lifting.
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