Usan
--
--
- Class
- Medium/Sweet
- API
- 29°
- Sulfur
- 0.16%
Crude grade comparison
Usan vs Clair
VS
Usan – Clair spread
-- · Usan premium
Clair
--
--
- Class
- Medium/Sweet
- API
- 25°
- Sulfur
- 0.4%
Usan is medium/sweet crude (29° API, 0.16% sulfur); Clair is medium/sweet crude (25° API, 0.4% sulfur).
Crude quality
Quality & refinery yields
How the two crudes differ in the barrel. Each property uses its own scale.
- Usan Crude
- Clair Crude
Physical & chemical properties
API gravityhigher = lighter
U29°
C25°
Sulfur contenthigher = sourer
U0.16%
C0.4%
Densityhigher = heavier
U g/cm³
C g/cm³
Viscosityhigher = thicker
U cSt
C cSt
Pour pointhigher = waxier
U °C
C °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 | Usan Crude | Clair Crude | Usan − Clair |
|---|---|---|---|
| Classification | |||
| Classification | Medium/Sweet | Medium/Sweet | |
| Origin | Usan field, deepwater (TotalEnergies-operated) | Clair field, West of Shetland | |
| Chemical properties | |||
| API gravity | 29° API | 25° API | +4 °API |
| Sulfur content | 0.16% | 0.4% | -0.24% |
| Density | g/cm³ | g/cm³ | 0 g/cm³ |
| Pour point | °C | °C | 0 °C |
| Viscosity | 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 | North Sea/Sullom Voe area | ||
| Main destinations | Europe, Asia, US | Northwest Europe | |
| Benchmark type | |||
| Market profile | |||
| Key characteristics | Medium-gravity, low sulphur Nigerian deepwater crude | Medium-gravity, waxy West of Shetland crude | |
| Refining notes | Regional refining feedstock | Regional refining feedstock | |
FAQ
Usan vs Clair questions
The spread, the quality gap and why each grade is a benchmark.
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Usan Crude was $ and Clair Crude $ per barrel, so Clair traded at a premium of $0 over Usan. Over the previous 30 shared price days the spread averaged -- $/bbl, with Clair priced above Usan on 0 day(s).
Usan Crude is a medium/sweet Usan field, deepwater (TotalEnergies-operated) crude (29° API, 0.16% sulfur) and benchmark. Clair Crude is a medium/sweet Clair field, West of Shetland crude (25° API, 0.4% sulfur) and benchmark.