Neutralizers of hydrogen sulfide and mercaptan

Many oil fields are characterized by a high content of hydrogen disulfide and mercaptans. Currently, the concentration of these substances in commercial oil and petroleum products is regulated by the Regulation of the Eurasian Economic Community Customs Union. Neutralizers- bactericide agents Desulfon-SNPKh-1100 and Desulfon-SNPKh-1200 have been developed to reduce hydrogen disulfide and mercaptan compounds concentration or to completely remove them in oil.

  • DESULFON-SNPKh-1100

    Meant to be used for neutralizing hydrogen disulfide in oil-water emulsions, commercial oil, gas condensate and water-based systems

    Application

    The availability of hydrogen sulfide in a well production causes severe corrosion of oilfield equipment, gas injection wellhead blockage with iron sulfides and general deterioration of the environmental situation. Desulfon-SNPKh-1100 can be used in flowing petroleum wells, oil and gas gathering systems, the systems for oil processing which include clarifier tanks, transport pipelines and reservoir pressure maintenance systems.

    The quantity of Desulfon-SNPKh-1100 required for hydrogen disulfide neutralization depends on its content in the system and the required degree of its mitigation. Usual proportion of Desulfon-SNPKh-1100 at oil treating makes 2 ppm for 1 ррm of hydrogen disulfide.

    Advanced properties

    •  causes protective inhibitory effect – at dosage of 30 g /м3 of liquid makes 60-70%.
    • possesses the properties of bactericide used to inhibit the growth of sulfur reducing bacteria. Specific consumption makes100-500 g/m3 of liquid depending on the oilfield environment contamination with sulfate-reducing bacteria.

    Basic characteristics

    Physical formliquid from light yellow to dark brown color
    Density at 20°С, kg/m31010-1200
    Pour point, ºС, at most

    -for the Siberian Region;

    – for Urals-Volga Region;

    – for the Southern Region

     

    minus 50

    minus 40

    minus 30

     

    Hydrogen ion concentration (рН), no less than

    7,5
    Cinematic viscosity, mm2/sec, at most

    а) at 20ºС

    б) at minus 40ºС

    20

    500

    Desulfon-SNPKh -1100 causes no negative impact upon the process of oil preparation and the quality of commercial oil since they contain no organochlorine compounds.

    Regions of application

    Orenburg Region, Udmurtian Republic, Komi Republic; Kazakhstan.

  • DESULFON- SNPKh-1200

    Designed for neutralizing methyl, ethyl mercaptans and hydrogen disulfide in commercial oil, natural gas condensate, oil collection and treatment systems, transport pipelines.

    Application

    The quantity of Desulfon-SNPKh-1200 required for methyl, ethyl mercaptans and/or hydrogen disulfide neutralization depends on their content in the system and the required degree of their degrading. Usual proportion of Desulfon-SNPKh-1100 at oil treating makes 4-5 ppm for 1 ррm of methyl, ethyl mercaptans and/or hydrogen disulfide.

     Advanced properties

    • causes protective inhibitory effect in hydrogen sulfide-containing media – at dosage of 30 g /м3 of liquid makes 60-70%.
    • possesses the properties of bactericide inhibiting the growth of sulfur reducing bacteria. Specific consumption makes100-300 g/m3 of liquid depending on the oilfield environment contamination with sulfate-reducing bacteria.

    Basic characteristics

    Physical formliquid from light yellow to dark brown color
    Density at 20°С, kg/m31038-1142
    Pour point, ºС, at most

    -for the Siberian Region;

    – for Urals-Volga Region;

    – for the Southern Region

     

    minus 50

    minus 40

    minus 30

    Hydrogen ion concentration (рН), no less than7,5
    Cinematic viscosity, mm2/sec, at most

    а) at 20ºС

    б) at minus 40ºС

     

    20

    500

    Desulfon-SNPKh-1200 causes no negative impact upon the process of oil preparation and the quality of commercial oil since they contain no organochlorine compounds.

    Desulfon-SNPKh-1200 is added into “The List of chemical products approved and authorized for use in oil sector” as well as into the Register of Materials Safety Data Sheets (MSDS).

    Regions of application

    Orenburg Region, Republic of Bashkortostan, Udmurtian Republic; Kazakhstan.

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