Boscan
--
--
- Class
- Extra Heavy/Sour
- API
- 10.1°
- Sulfur
- 5.5%
Crude grade comparison
Boscan vs Cerro Negro
VS
Boscan – Cerro Negro spread
-- · Boscan premium
Cerro Negro
--
--
- Class
- Extra Heavy/Sour
- API
- 16 (upgraded blend)°
- Sulfur
- 3.6%
Boscan is extra heavy/sour crude (10.1° API, 5.5% sulfur); Cerro Negro is extra heavy/sour crude (16 (upgraded blend)° API, 3.6% sulfur).
Crude quality
Quality & refinery yields
How the two crudes differ in the barrel. Each property uses its own scale.
- Boscan Crude
- Cerro Negro Crude
Physical & chemical properties
API gravityhigher = lighter
B10.1°
CN16 (upgraded blend)°
Sulfur contenthigher = sourer
B5.5%
CN3.6%
Densityhigher = heavier
B~1.0 g/cm3 g/cm³
CN g/cm³
Viscosityhigher = thicker
BVery high cSt
CN cSt
Pour pointhigher = waxier
BHigh °C
CN °C
Typical refinery yields
Gasoline% of barrel
Diesel% of barrel
Jet fuel% of barrel
Residual fuel% of barrel
Bars show each yield range; the faint part runs from 0 to the low end. Scale 0–50%.
Full specification comparison
| Property | Boscan Crude | Cerro Negro Crude | Boscan − Cerro Negro |
|---|---|---|---|
| Classification | |||
| Classification | Extra Heavy/Sour | Extra Heavy/Sour | |
| Origin | Boscan field, Lake Maracaibo | Cerro Negro, Orinoco Belt | |
| Chemical properties | |||
| API gravity | 10.1° API | 16 (upgraded blend)° API | -5.9 °API |
| Sulfur content | 5.5% | 3.6% | +1.9% |
| Density | ~1.0 g/cm3 g/cm³ | g/cm³ | 0 g/cm³ |
| Pour point | High °C | °C | 0 °C |
| Viscosity | Very high cSt | cSt | 0 cSt |
| Typical refinery yields | |||
| Gasoline | % | % | 0 pts |
| Diesel | % | % | 0 pts |
| Jet fuel | % | % | 0 pts |
| Residual fuel | % | % | 0 pts |
| Trading & logistics | |||
| Delivery basis | FOB | ||
| Major exchanges | |||
| Export hub | Lake Maracaibo terminals | ||
| Main destinations | US Gulf Coast | US Gulf Coast, Asia | |
| Benchmark type | |||
| Market profile | |||
| Key characteristics | Extra-heavy, very high sulphur crude, high metals content | Upgraded/blended extra-heavy Orinoco crude | |
| Refining notes | Asphalt/coker feedstock, lube base | Coker/heavy refinery feedstock | |
FAQ
Boscan vs Cerro Negro questions
The spread, the quality gap and why each grade is a benchmark.
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Boscan Crude was $ and Cerro Negro Crude $ per barrel, so Cerro Negro traded at a premium of $0 over Boscan. Over the previous 30 shared price days the spread averaged -- $/bbl, with Cerro Negro priced above Boscan on 0 day(s).
Boscan Crude is a extra heavy/sour Boscan field, Lake Maracaibo crude (10.1° API, 5.5% sulfur) and benchmark. Cerro Negro Crude is a extra heavy/sour Cerro Negro, Orinoco Belt crude (16 (upgraded blend)° API, 3.6% sulfur) and benchmark.