The stator rubber of the hottest corrosion-resista

2022-07-29
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Corrosion resistant screw pump stator rubber has passed the appraisal

the research project of corrosion resistant screw pump stator rubber jointly undertaken by Daqing Oilfield Lishen Pump Industry Co., Ltd. and Harbin Institute of technology, which is a key scientific and technological research project in Heilongjiang Province, has passed the appraisal recently

the project has developed a screw pump stator rubber resistant to carbon dioxide and hydrogen sulfide. The stator rubber formula is designed by using water-resistant, acid resistant and gas resistant additives instead of diphenylamine and thiazole zinc salt, which improves the aging and corrosion resistance of the material. On this basis, the stator rubber formula (4) was optimized, the financial innovation tools and process conditions were reasonably introduced, and the industrial scale-up test was carried out. The br4 results provide a new technical scheme for the application of screw pump in the field of complex oilfield well conditions, and help to realize the localization of axial force measurement range for screw pump oil production under high-temperature corrosion well conditions

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