Recently, "screw pump well pan root adder" developed by Jia Lubin, senior technician of no.9 oil production team of Shengli Oilfield xianhe Oilfield has won the national utility model patent.The utility model relates to a screw pump well pan root adder designed to overcome the deficiencies existing in the above existing technical operation. It is mainly made up of the force applying mechanism and the stuffing root pressing mechanism. During the operation, the stuffing mechanism can easily add the stuffing root into the stuffing box by exerting pressure on the stuffing mechanism, which is very quick and convenient and solves the operation problem. Screw pump well pan root adder also has the advantages of low manufacturing cost, safety and reliability, improving oil recovery time rate and so on, and has high popularization value.Electric screw pump oil recovery technology has been more and more widely used in the production process of oil field, the replacement of screw pump well root is a regular maintenance work in oil well management. The screw pump head is located directly above the wellhead packing box. The distance between the wellhead packing box and the pump head is only 20 cm. Screw pump Wells because of the limitation of space position, change the packing, not like packing replacement of pumping unit well in and out one by one, commonly used hammer percussion method, this method not only operate more difficult, to extend the time of packing replacement, but also easy to cause broken thread, smashing grant and others safe hidden trouble.
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