FIELD: oil and gas industry.
SUBSTANCE: oil and/or gas extraction system includes a device for introduction to a formation at least of some part of a sulphur-bearing compound, the first device for conversion inside the formation at least of some part of sulphur-bearing compound to carbon sulphur and/or carbon oxysulphide and the second device for conversion inside the formation at least of some part of carbon sulphur and/or carbon oxysulphide to other compound.
EFFECT: improvement of extraction from oil-and-gas-bearing formations.
22 cl, 7 dwg
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