Crude grade comparison

Alba (U.K.) vs Captain

Alba field, North Sea

Alba (U.K.)

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Class
Heavy/Sour
API
19.5°
Sulfur
1.2%
VS
Alba (U.K.) – Captain spread -- · Alba (U.K.) premium
Captain field, North Sea

Captain

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--
Class
Heavy/Sour
API
19°
Sulfur
0.5%

Alba (U.K.) is heavy/sour crude (19.5° API, 1.2% sulfur); Captain is heavy/sour crude (19° API, 0.5% sulfur).

Crude quality

Quality & refinery yields

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

  • Alba (U.K.) Crude
  • Captain Crude

Physical & chemical properties

API gravityhigher = lighter
A(19.5°
C19°
Sulfur contenthigher = sourer
A(1.2%
C0.5%
Densityhigher = heavier
A( g/cm³
C g/cm³
Viscosityhigher = thicker
A( cSt
C cSt
Pour pointhigher = waxier
A( °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

Full specification comparison of Alba (U.K.) Crude and Captain Crude
PropertyAlba (U.K.) CrudeCaptain CrudeAlba (U.K.) − Captain
Classification
ClassificationHeavy/SourHeavy/Sour
OriginAlba field, North SeaCaptain field, North Sea
Chemical properties
API gravity19.5° API19° API+0.5 °API
Sulfur content1.2%0.5%+0.7%
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 basisFOBFOB
Major exchanges
Export hubSullom Voe area/offshore loadingNorth Sea offshore loading
Main destinationsNorthwest EuropeNorthwest Europe
Benchmark type
Market profile
Key characteristicsHeavier, higher-sulphur North Sea grade (atypical for North Sea)Heavy, viscous North Sea crude
Refining notesFuel oil/heavy distillate blend feedstockFuel oil feedstock
FAQ

Alba (U.K.) vs Captain questions

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

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

Alba (U.K.) Crude is a heavy/sour Alba field, North Sea crude (19.5° API, 1.2% sulfur) and benchmark. Captain Crude is a heavy/sour Captain field, North Sea crude (19° API, 0.5% sulfur) and benchmark.