Lei Guanglun, Zhang Jianguo, Fu Jitong, Zhang Huagong. RESEARCH ON OIL PRODUCTION WITH SELF-EXCITED WAVE[J]. Oil Drilling & Production Technology, 1999, 21(5): 96-99. DOI: 10.3969/j.issn.1000-7393.1999.05.022
Citation: Lei Guanglun, Zhang Jianguo, Fu Jitong, Zhang Huagong. RESEARCH ON OIL PRODUCTION WITH SELF-EXCITED WAVE[J]. Oil Drilling & Production Technology, 1999, 21(5): 96-99. DOI: 10.3969/j.issn.1000-7393.1999.05.022
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RESEARCH ON OIL PRODUCTION WITH SELF-EXCITED WAVE

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  • When the pumping well runs normally,self-excited pressure wave can be generated at bottom hole by means of wave generator.This paper introduces the generating mechanism,theoretical calculation and lab test of self-excited wave.The frequency of the wave is small,the amplitude value of it is large,and it can produce successive surge action on the oil reservoir.Lab test shows that the amplitude value of the self-excited pressure wave is mainly related to the pump submergence,the pump setting depth,as well as the stroke and pumping speed of well pumping unit.Field application of it in 3 wells shows that the technology can improve the percolation condition of shallow stripper wells,and increase the output of oil wells.
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