Crude oil
Crude oil is a naturally occurring flammable liquid consisting of a complex mixture of hydrocarbons of various
molecular weights and other liquid organic compounds, that are found in geologic formations beneath the
Earth's surface.
The flash point of crude oil is low, typically below ambient temperature.
Our four-stroke medium-speed engines are well proven in operation on crude oil taken directly from oil wells
and conditioned on site.
Exploiting crude oil to feed the large consumers involved in oil and gas exploration and production is both an
economical solution and saves the considerable CO
2
emissions involved in the refining of distillate fuels and
their transport via pumping stations from and to the oil field.
Properties/Characteristics
Unit Limit Test method
Viscosity, before injection pumps, min. cSt 3
Viscosity, before injection pumps, max. cSt 14
1)
Viscosity @ 50°C, max. cSt 700 ISO 3104
Density @ 15°C, max. kg/m
3
1010.0 ISO 3675 or ISO 12185
CCAI, max. – 870 ISO 8217
Water before engine, max. % volume 0.2 ISO 3733
Sulphur, max. % mass 4.5 ISO 8754 or ISO 14596
Ash, max. % mass 0.15 ISO 6245
Vanadium, max. mg/kg 600 ISO 14597 or IP 501
or IP 470
Sodium + Potassium before engine,
max.
mg/kg 1/3 Vanadium content ISO 10478
Aluminium + Silicon before engine, max. mg/kg 15 ISO 10478 or IP 501
or IP 470
Carbon residue, max. % mass 20 ISO 10370
Asphaltenes, max. % mass 2/3 of carbon residue
(according to Conradson)
ASTM D3279
Reid vapour pressure (RVP), max. kPa @ 37.8°C 65 ASTM D323
Lubricity (wear scar diameter) μm < 520 ISO 12156-1
Pour point, max. °C 30 ISO 3016
Cold filter plugging point °C
2)
IP 309
Total sediment potential, max. % mass 0.10 ISO 10307-2
Hydrogen sulphide, max. mg/kg 2 IP 570
AN (acid number), max. mg KOH/g 2.5 ASTM D664
Table 1: Crude oil - specifications.
1)
Viscosity, before injection pumps, max. 18 cSt for GenSets L23/30H, L28/32H and V28/32S
2)
Minimum 10°C below the lowest temperature in the entire fuel system
MAN Diesel & Turbo
3700246-2.0
Page 1 (1)
Crude oil specification
B 11 00 0
L28/32S, L27/38S, L23/30S, L21/31S, L16/24S, V28/32H, V28/32S, L16/24,
L21/31, L23/30H, L27/38, L28/32H
2015.07.20
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