The major project of Jilin Provincial Science and Technology Development Plan "Development of Well-Ground Networked Oil-Water Interface Resistivity Imager" undertaken by Lin Jun's research group of the School of Instrument Science and Electrical Engineering of Jilin University has recently passed expert appraisal and has been tested by the field good.
As a professional instrument that can quickly and accurately detect the distribution of remaining oil in the oil field, the imager is mainly used for the dynamic change test of resistivity before and after oil field water flooding and fracturing gas injection, so as to solve oil exploration, oil field exploration and coalbed methane exploration, etc. In the process of water injection well profile control and water blocking effect detection, water injection propulsion front and high permeability zone detection, steam-driven state monitoring, polymer-driven state monitoring and other issues; with high precision, high efficiency, low cost, easy construction and other characteristics, in The application prospects in water injection distribution and remaining oil distribution are broad.
According to reports, the imager can extract useful signals from strong noise to detect weak signals; it can achieve simultaneous acquisition of multiple signals and high-speed data transmission; through dynamic resistivity inversion, not only can see fracturing fluid (low (Resistance) The advancement process of the frontier can also see the accumulation process of petroleum (high resistance), which provides an important basis for accurately determining the distribution of remaining oil.
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