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Andrei V. Golubev
Andrei V. Golubev
Director
LLC “Ufa Technical and Technological Enterprise”
Ufa Russia
Director
LLC “Ufa Technical and Technological Enterprise”
Ufa
Russia
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Articles

  • Date submitted
    2020-06-19
  • Date accepted
    2020-10-06
  • Date published
    2020-12-02

Practice of using the magnetic treatment devices to intensify the processes of primary oil treating

During the primary treatment of oil, gas and water, complications arise associated with the presence of hard water-oil emulsions, which cause an increase in fluid pressure in the gathering systems, pipeline damage, as well as difficulties in gas separation and preliminary water discharge at the preliminary discharge unit (PRU). Additional problems arise during transportation of highly paraffinic oils associated with the crystallization of paraffin in the flow path of the oilfield equipment and on the inner surface of pipes, leading to a drop in the productivity of pipelines. Article discusses the technology of magnetic-reagent treatment of water-oil media, which allows intensifying the processes of primary oil treatment at the facilities of its production. Bench and pilot tests have shown the ability of the magnetic field to accelerate oil demulsification processes, increasing the percentage of separated water during subsequent settling, and to reduce asphalt-resin-paraffin deposits (ARPD) on the inner surface of oil and gas field equipment. Mechanism of the magnetic field effect on water-oil media is described. Effect of treatment on the integrity of the armour shells of oil-water emulsions was studied. Various modes of magnetic treatment have been investigated with evaluation of its effectiveness. It is shown that the best effect is achieved with the combined use of reagents and a magnetic field. Synergistic effect is observed, which consists in increasing their effectiveness. This made it possible to conclude that this method can be applied to reduce the consumption of reagents used in oil production while maintaining the treatment efficiency.

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Ivan A. Golubev, Andrei V. Golubev, Аnatolii B. Laptev (2020) Practice of using the magnetic treatment devices to intensify the processes of primary oil treating. Journal of Mining Institute. Vol 245. p. 554-560. DOI: 10.31897/PMI.2020.5.7