Crude grade comparison

Clair vs Stag

Clair field, West of Shetland

Clair

--
--
Class
Medium/Sweet
API
25°
Sulfur
0.4%
VS
Clair – Stag spread -- · Clair premium
Stag field, offshore Western Australia

Stag

--
--
Class
Medium/Sweet
API
18°
Sulfur
0.3%

Clair is medium/sweet crude (25° API, 0.4% sulfur); Stag is medium/sweet crude (18° API, 0.3% sulfur).

Crude quality

Quality & refinery yields

How the two crudes differ in the barrel. Each property uses its own scale.

  • Clair Crude
  • Stag Crude

Physical & chemical properties

API gravityhigher = lighter
C25°
S18°
Sulfur contenthigher = sourer
C0.4%
S0.3%
Densityhigher = heavier
C g/cm³
S g/cm³
Viscosityhigher = thicker
C cSt
S cSt
Pour pointhigher = waxier
C °C
S °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

Full specification comparison of Clair Crude and Stag Crude
PropertyClair CrudeStag CrudeClair − Stag
Classification
ClassificationMedium/SweetMedium/Sweet
OriginClair field, West of ShetlandStag field, offshore Western Australia
Chemical properties
API gravity25° API18° API+7 °API
Sulfur content0.4%0.3%+0.1%
Density g/cm³ g/cm³0 g/cm³
Pour point °C °C0 °C
Viscosity cSt cSt0 cSt
Typical refinery yields
Gasoline%%0 pts
Diesel%%0 pts
Jet fuel%%0 pts
Residual fuel%%0 pts
Trading & logistics
Delivery basisFOB
Major exchanges
Export hubNorth Sea/Sullom Voe area
Main destinationsNorthwest EuropeAsia
Benchmark type
Market profile
Key characteristicsMedium-gravity, waxy West of Shetland crudeHeavy Australian offshore crude
Refining notesRegional refining feedstockFuel oil feedstock
FAQ

Clair vs Stag questions

The spread, the quality gap and why each grade is a benchmark.

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Clair Crude was $ and Stag Crude $ per barrel, so Stag traded at a premium of $0 over Clair. Over the previous 30 shared price days the spread averaged -- $/bbl, with Stag priced above Clair on 0 day(s).

Clair Crude is a medium/sweet Clair field, West of Shetland crude (25° API, 0.4% sulfur) and benchmark. Stag Crude is a medium/sweet Stag field, offshore Western Australia crude (18° API, 0.3% sulfur) and benchmark.