The chemical NGN-1 is designed to neutralize the hydrogen sulfide and carbon dioxide in refinery and oilfield water (grade B), as well as for the absorption of light mercaptan sulfur in oil and gas, as well as in gas condensate (grade A)At the same time, it is a bactericide to suppress the sulfate-reducing bacteria (SRB) activity, and also increases injection capacity of wells. The chemical contains additives with inhibitory effect on the metal.