SeBei field to develop mass innovation and the effect obtained technology ( technology) The result of sex. SeBei field on August 13, qinghai oilfield company independent research and development of new type 'multi-stage tandem' drain Industrial Valves field application test for success. The field staff by changing the structure of traditional drain Industrial Valves, the Industrial Valves switch mode of discharge, up and down and in them into the principle of multistage throttle and shearing action, in order to achieve maximum reduce the mud for the purpose of the various sealing organization erosion.
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