EL MAR® ASHLESS SUPREME GEO
PREMIUM ASHLESS NATURAL GAS ENGINE OIL
Phillips 66® El Mar Ashless Supreme GEO is a premium quality, ashless gas engine oil specifically designed for naturally aspirated and turbocharged two-stroke natural gas engines. These engines are commonly found in applications such as crude oil and gas transmission pipelines, power generation, gas compression, irrigation systems, and well drilling operations.
El Mar Ashless Supreme GEO is formulated with advanced additives that deliver reliable lubrication for modern, fuel-efficient, low-emission gas engines. It provides strong resistance to oxidation and nitration, protects rings and liners from wear, reduces sludge and piston deposits for cleaner operation, and safeguards against corrosion.
The ashless formulation ensures clean intake ports, helping maintain optimal engine performance while extending spark plug life in spark-ignited gas engines.
Links of Interest
Features & Benefits
- Field-proven performance in providing outstanding engine cleanliness
- Ashless formulation helps minimize port deposits
- Good dispersancy protects against sludge and varnish formation
- Excellent resistance to oxidation and nitration
- Protects against scuffing and wear
- Protects against rust and corrosion
- Does not contain any bright stock, which can cause harmful carbon deposits
Applications
- 2-stroke cycle and some 4-stroke cycle natural gas engines where the manufacturer specifies an ashless gas engine oil
Technical Details
Licenses & Approvals:
El Mar Ashless Supreme GEO is recommended for use in natural gas engines manufactured by:- Ajax
- Climax
- Colt-Fairbanks Morse
- Cooper Bessemer
- Dresser Clark
- Dresser Rand (Category I & II)
- Worthington
Additional Details:
| SAE Grade | 15W-40 |
| Specific Gravity @ 60°F | 0.871 |
| Density, lbs/gal @ 60°F | 7.26 |
| Color, ASTM D1500 | 3 |
| Flash Point (COC), °C (°F) | 240 (464) |
| Pour Point, °C (°F) | -40 (-40) |
| Viscosity, Kinematic | |
| cSt @ 40°C | 106 |
| cSt @ 100°C | 14.4 |
| Viscosity Index | 139 |
| Cold Cranking Viscosity, cP @(°C) | 6200 (-20) |
| Sulfated Ash, ASTM D874, wt % | <0.01 |
| Total Base Number (TBN), ASTM D2896 | 1.3 |
| Phosphorus, wt % | 0.067 |
Licenses & Approvals:
El Mar Ashless Supreme GEO is recommended for use in natural gas engines manufactured by:- Ajax
- Climax
- Colt-Fairbanks Morse
- Cooper Bessemer
- Dresser Clark
- Dresser Rand (Category I & II)
- Worthington
Additional Details:
| SAE Grade | 30 |
| Specific Gravity @ 60°F | 0.883 |
| Density, lbs/gal @ 60°F | 7.36 |
| Color, ASTM D1500 | 3 |
| Flash Point (COC), °C (°F) | 260 (500) |
| Pour Point, °C (°F) | -30 (-22) |
| Viscosity, Kinematic | |
| cSt @ 40°C | 92.8 |
| cSt @ 100°C | 11 |
| Viscosity Index | 103 |
| Cold Cranking Viscosity, cP @(°C) | --- |
| Sulfated Ash, ASTM D874, wt % | <0.01 |
| Total Base Number (TBN), ASTM D2896 | 1.3 |
| Phosphorus, wt % | 0.067 |
Licenses & Approvals:
El Mar Ashless Supreme GEO is recommended for use in natural gas engines manufactured by:- Ajax
- Climax
- Colt-Fairbanks Morse
- Cooper Bessemer
- Dresser Clark
- Dresser Rand (Category I & II)
- Worthington
Additional Details:
| SAE Grade | 40 |
| Specific Gravity @ 60°F | 0.892 |
| Density, lbs/gal @ 60°F | 7.43 |
| Color, ASTM D1500 | 3.5 |
| Flash Point (COC), °C (°F) | 270 (518) |
| Pour Point, °C (°F) | -27 (-17) |
| Viscosity, Kinematic | |
| cSt @ 40°C | 142 |
| cSt @ 100°C | 14.3 |
| Viscosity Index | 98 |
| Cold Cranking Viscosity, cP @(°C) | --- |
| Sulfated Ash, ASTM D874, wt % | <0.01 |
| Total Base Number (TBN), ASTM D2896 | 1.3 |
| Phosphorus, wt % | 0.067 |