Method of dissoving sulphur deposits in wells with solvent and regeneration of sulphur solvent by h-donor compound

摘要

The invention concerns a method for removing a sulphur deposit from a well and recovering an elemental sulphur stream, in which a liquid solvent dissolves all or part of the sulphur deposit, and said dissolved sulphur is converted into H 2 S by reduction with a H-donor compound, as well as a device for carrying out said method.