METHOD OF QUANTITATIVE ASSESSMENT OF INFLOW PROFILE IN LOW- AND MEDIUM-RATE HORIZONTAL OIL WELLS WITH MHFR Russian patent published in 2019 - IPC E21B47/103 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil production, namely, to control of development of oil deposits by field-geophysical methods (FGM). Invention can be used for long-term monitoring of inflow profile and intake capacity in low- and medium-rate horizontal oil wells with multiple hydraulic fracturing of reservoir (MHFR) for the purpose of further justification of intensification and optimization of formation. Proposed method consists in implementation of thermo-conductive principle of flow rate measurements by means of artificial heating of fiber-optic sensitive element. At the same time to increase the accuracy of the method, synchronous simultaneous determination of inflow intensity at several points of the barrel is provided, wherein heating and temperature measurement is performed simultaneously within local zones or the entire length of the distributed fiber-optic measuring system located in the wellbore in the analyzed depth interval.

EFFECT: possibility of estimating the portion of low intensity working intervals in the influx.

3 cl, 3 dwg