July 5, Dagang Oilfield a production plant low-energy wells 71x1 wells Nissan 3.85 cubic meters, pump efficiency of 98.2%, 1.62 tons of oil per day. This is mainly due to the plant's "exclusive" electric pump-linear motor submersible pump that is equipped with low-energy wells. Such as the coastal 71x1 well such low-volume, low-water wells in Dagang Oil Production Plant has as many as hundreds of mouth. Due to the poor liquid supply, low-energy and inefficient wells often result in the normal production of the pump can not be normal, low output and difficult to extract the characteristics of making it a "chicken ribs" in the development of oil fields. To this end, Dagang Oil Production Plant a technical staff to actively adjust their thinking, starting from the improved production pump, the introduction of the application of low-energy production wells dedicated to the production of submersible pump technology ( valves , pumps ) . Linear motor submersible pump technology is a linear motor and pump composed of linear motor unit down to the top of the production reservoir position. Submersible pump displacement according to the size of the formation of fluid volume automatically adjusts the operation of displacement, and thus effectively solve the shortage of fluid supply pumping on the impact. At the same time, this technology also has the characteristics of low energy consumption, high pump efficiency, eccentric tubeless wear, airless lock and so on.
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