Phillips 66® Wet Gas Compressor Oil is a high-quality lubricant developed for the lubrication of oil-flooded rotary compressors in natural gas service. It also is recommended for cylinder lubrication of reciprocating compressors in natural gas service. It is specially formulated to minimize the effects of gas dilution and oil absorption and to resist wash-off in compressors handling “wet” gas (natural gas containing liquid hydrocarbons and/or water).

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Features & Benefits

  • Excellent oxidation resistance and thermal stability
  • Resists lubricant “wash-off”
  • Formulated to minimize the effects of gas dilution and oil absorption
  • Good wear protection
  • Protects against rust and corrosion
  • Good foam resistance


  • Oil-flooded rotary screw, rotary lobe and rotary vane compressors handling wet natural gas
  • Industrial reciprocating compressors pumping wet natural gas
  • Reciprocating compressors commonly found in remote gas gathering stations

Technical Details

  • ISO Grade: 200
  • Licenses & Approvals


    Additional Details

    ISO Grade 220
    Specific Gravity @ 60°F 0.889
    Density, lbs/gal @ 60°F 7.4
    Color, ASTM D1500 2.5
    Flash Point (COC), °C (°F) 285 (545)
    Pour Point, °C (°F) -15 (5)
    cSt @ 40°C 218
    cSt @ 100°C 18.5
    SUS @ 100°F 1154
    SUS @ 210°F 94.6
    Viscosity Index 94
    Acid Number, ASTM D974, mg KOH/g 0.14
    Copper Corrosion, ASTM D130 1a
    Demulsibility, ASTM D1401, minutes to pass 15
    Foam Test, ASTM D892, Seq. I, mL 0/0
    Four-Ball Wear, ASTM D4172, Scar Diameter, mm 0.4
    Oxidation Stability, ASTM D943-04a, hours 4000
    Rust Test, ASTM D665 A&B Pass
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