声波振荡场中多孔岩心对碳氢化合物的过滤作用

A. Gorovenko, D. Vengrovich, Heorhij Sheremet
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During the studied filtration, the core was located atthe bottom of the core holder, which was filled with liquid hydrocarbons, which were used asengine oil.The aim was to investigate the effect of acoustic oscillations on the filtration of hydrocarbonsin a porous medium. For this purpose, an experimental setup, amplifier and piezoelectricemitter of acoustic oscillations were made, sandstone cores were prepared, experiments wereperformed and the mass of the filtered liquid was estimated.Methodology. An experimental study of the effect of acoustic oscillations with a frequencyof 2.7 KHz on the filtration of hydrocarbons by a sandstone core for different pressures wasperformed in laboratory conditions. Amplified oscillations from the electronic generator wereapplied to the piezoelectric emitter located in the core holder, which was filled with motor oil,the pressure in the oil was changed using a reducer and manometers. 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引用次数: 0

摘要

目的。任务是研究在不同压力下,声波振荡对多孔介质核心过滤碳氢化合物的影响。本文介绍了在频率为2.7 kHz的声波振荡条件下多孔介质芯过滤碳氢化合物的实验研究结果。研究了高18 mm、直径53 mm的多孔砂岩岩心。芯座内装有装有压电声振荡器的机油,通过发电机和放大器向发射极发出电信号。在所研究的过滤过程中,岩心位于岩心支架的底部,岩心支架中充满液态烃,用作发动机油。目的是研究声波振荡对多孔介质中烃类过滤的影响。为此,制作了实验装置、声振荡放大器和压电发射器,制备了砂岩岩心,进行了实验,并对过滤液的质量进行了估计。在实验室条件下进行了频率为2.7 KHz的声波振荡对不同压力下砂岩岩心过滤碳氢化合物的影响的实验研究。将来自电子发生器的放大振荡应用于芯座中的压电发射极,该发射极充满机油,使用减速器和压力计改变油中的压力。用电子秤测量了滤芯油的质量。声波振荡可以有效地影响烃类在多孔介质中的过滤,使滤失率提高数十个百分点。研究结果和实际意义。实验表明,在含碳氢化合物的多孔介质中,声波振荡增加了碳氢化合物的过滤。利用声振荡在井的过滤空间周围进行处理,可以提高井的流量。实验表明,有声振荡时,砂岩岩心对机油的滤过量比无声振荡时增加了10%。主题的相关性。提高井的流量是一项重要的科学和实际任务,其解决方法可以是在声波振荡的作用下,清除过滤区堵塞,提高有用流体的过滤。关键词:烃类过滤;多孔介质;声学振荡;好,在过滤区域周围;借方。
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FILTRATION OF HYDROCARBONS BY POROUS CORE IN THE FIELD OF ACOUSTIC OSCILLATIONS
Purpose. The task was to investigate the effect of acoustic oscillations on the filtration ofhydrocarbons by the core of a porous medium for different pressures. The paper present theresults of an experimental study of hydrocarbon filtration by a porous medium core in thepresence of acoustic oscillations with the frequency of 2,7 kHz. Porous sandstone cores with aheight of 18 mm and a diameter of 53 mm were studied. The core holder was filled with engineoil which contained a piezoelectric acoustic oscillator, the electrical signal to the emitter wasgenerated by a generator and amplifier. During the studied filtration, the core was located atthe bottom of the core holder, which was filled with liquid hydrocarbons, which were used asengine oil.The aim was to investigate the effect of acoustic oscillations on the filtration of hydrocarbonsin a porous medium. For this purpose, an experimental setup, amplifier and piezoelectricemitter of acoustic oscillations were made, sandstone cores were prepared, experiments wereperformed and the mass of the filtered liquid was estimated.Methodology. An experimental study of the effect of acoustic oscillations with a frequencyof 2.7 KHz on the filtration of hydrocarbons by a sandstone core for different pressures wasperformed in laboratory conditions. Amplified oscillations from the electronic generator wereapplied to the piezoelectric emitter located in the core holder, which was filled with motor oil,the pressure in the oil was changed using a reducer and manometers. The mass of core-filteredoil was measured by electronic scales.Originality. It has been established that acoustic oscillations effectively affect the filtrationof hydrocarbons in porous media and increase filtration by tens of percent.Findings and practical implications. Experiments have shown that acoustic oscillations ina porous medium filled with hydrocarbons increase the filtration of hydrocarbons. The use ofacoustic oscillations for processing around the filter space of wells will increase the flow rateof wells.Experiments have shown that in the presence of acoustic oscillation, the filtration of engineoil by the sandstone core increase by tens % relative to the amount of filtration in the absenceof acoustic oscillations.Relevance of the topic. Increasing the flow rate of wells is an important scientific andpractical task, its solution can be cleaning the filter zone from clogging and improving thefiltration of useful fluid Under the action of acoustic oscillations.Keywords: hydrocarbon filtration; porous medium; acoustic oscillations; well; around thefilter area; debit.
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