| 简介 |
FIELD : oil and gas industry.
SUBSTANCE : invention relates to oil and gas production industry and can be used in development of a poorly explored oil field. According to the method the field is drilled with a rare grid of wells. Detailed seismic surveys are performed in the drilled well. Predicted structural plan of the reservoir is specified. Direction of the prevailing fracture, decompression, decompression nodes – the intersection of decompression lines are determined. Existing grid of producing wells is compacted by means of drilling horizontal wells. These wells are placed at an angle of 45° to the direction of the prevailing fracturing – decompressions at a distance of more than 70 meters to them in order to prevent premature watering in production wells or absorption of injection – in injection wells. Pumping of working agent is done through injectors and recovery of products through producers.
EFFECT : increased oil production, increased development of oil reserves and the prevention of premature wetting of extracted products.
1 cl, 1 dwg |
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