Asphaltene Wax & Paraffin dissolvent NEFRAS - M

Technical Requirements TU 2458-058-53501222-2006

Purpose of Use

Universal dissolvent NEFRAS-M is designed for the treatment of oil-field equipment with the purpose of removing asphaltene wax and paraffins.

Dissolvent NEFRAS-M is a mixture of aromatic and aliphatic hydrocarbons, highly effective co-solvents and surfactants.  Three grades of NEFRAS–M are available with different concentration of aromatic hydrocarbons.

Application Area

  • Cleaning of pump-compressor pipes, oil-field equipment, flow lines and oil-pipelines.
  • Removing of asphaltene wax and paraffin deposits from critical area of formation  in production wells.


NEFRAS-M grade С 3 is meant for removing of asphaltene wax and paraffin deposits with primary content of paraffin hydrocarbons and gum.
NEFRAS-M grade С 4 is meant for removing of asphaltene wax and paraffin deposits with primary content of gum and  asphaltenes.
NEFRAS-M grade С 5 is meant for removing of asphaltene wax and paraffin deposits with primary content of asphaltenes.
Besides removing of asphaltene wax and paraffin deposits NEFRAS-M grades С 4 and С 5 are meant for removing of heavy crudes and residues.

Properties

Grade

NEFRAS-M grade C3

NEFRAS-M grade C4

NEFRAS-M grade C5

Appearance

Mobile liquid with colour ranging from colourless to dark brown

Specific gravity at  20°C, g/cm3, within the range

0.70-0.80

0.80-0.83

0.80-0.83

Mass concentration of aromatic hydrocarbons, %, within the range

0  -  5

5  -  30

30  -  60

Bubble-point temperature, °C, not lower than

60

30

30

End boiling point, °C, not higher than

300

Freezing point,°С, not above

Minus 50

Customer Benefits

  • High dissolving capacity.
  • Ability to remove organic deposits with different ratio of asphaltene wax and paraffins.
  • Efficient cleaning of treated surfaces from asphaltene wax and paraffins.

Universal dissolvent NEFRAS-M is certified for the application in oil-and-gas field.

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