DETERMINATION OF THE FINAL OIL EXTRACTION COEFFICIENT WHEN TREATING WATER WHIT AN EXTERNAL CONSTANT TRANSVERSE MAGNETIC FIELD OF LOW STRENGTH

This article is devoted to the study of the process of oil displacement by water treated with an external permanent transverse magnetic field of low intensity. In oil fields, the creation of such high magnetic field strengths is fraught with certain difficulties, so it was decided to study the effect of a low-intensity magnetic field on the final oil recovery coefficient. To determine the potential difference in a porous medium, a tungsten mesh was provided, on the one hand, tightly adjacent to the porous medium, and on the other, to a liquid–permeable, insulating fluoroplastic gasket. Attention was drawn to the fact that when the magnetic field strength changed, there was a change in the potential difference at the entrance and exit from the porous medium, which was measured by a potentiometer. At the same time, the maximum flow rate corresponded to the minimum potential difference. To obtain high reservoir recoil oil, it is necessary to choose the right magnetic field strength for the treatment of displacing water. It has been experimentally obtained that when water is treated with an external constant transverse magnetic field of high intensity (H=51740 A/m and H=64476 A/m), an increase in the final coefficient of oil extraction from a porous medium is observed by 37% and 10%, respectively.