Crude grade comparison

Alaska North Slope vs Qatar Marine

Price, Alaska North Slope spread, quality and refinery yields side by side. Updated .

USA (Alaska)

Alaska North Slope

$89.90USD/BBL
■ 0.00(0.00%)
Class
Medium/Sour
API
31.9°
Sulfur
0.93%
VS
Alaska North Slope – Qatar Marine spread -- USD/BBL · Alaska North Slope premium
Offshore Qatari fields blend

Qatar Marine

--
--
Class
Medium/Sour
API
35°
Sulfur
1.5%

Alaska North Slope Crude vs Qatar Marine Crude: on July 06, 2026 Alaska North Slope settled at $89.90/bbl (0.00%) and Qatar Marine price information is not available. Alaska North Slope is medium/sour crude (31.9° API, 0.93% sulfur); Qatar Marine is medium/sour crude (35° API, 1.5% sulfur).

Crude quality

Quality & refinery yields

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

  • Alaska North Slope Crude
  • Qatar Marine Crude

Physical & chemical properties

API gravityhigher = lighter
ANS31.9°
QM35°
Sulfur contenthigher = sourer
ANS0.93%
QM1.5%
Densityhigher = heavier
ANS0.87 g/cm³
QM g/cm³
Viscosityhigher = thicker
ANS7.8 cSt
QM cSt
Pour pointhigher = waxier
ANS15 °C
QM °C

Typical refinery yields

Gasoline% of barrel
ANS36-40%
Diesel% of barrel
ANS32-36%
Jet fuel% of barrel
ANS10-12'%
Residual fuel% of barrel
ANS16-20%

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 Alaska North Slope Crude and Qatar Marine Crude
PropertyAlaska North Slope CrudeQatar Marine CrudeAlaska North Slope − Qatar Marine
Classification
ClassificationMedium/SourMedium/Sour
OriginUSA (Alaska)Offshore Qatari fields blend
Chemical properties
API gravity31.9° API35° API-3.1 °API
Sulfur content0.93%1.5%-0.57%
Density0.87 g/cm³ g/cm³+0.87 g/cm³
Pour point15 °C °C+15 °C
Viscosity7.8 cSt cSt+7.8 cSt
Typical refinery yields
Gasoline36-40%%+40 pts
Diesel32-36%%+36 pts
Jet fuel10-12'%%+12 pts
Residual fuel16-20%%+20 pts
Trading & logistics
Delivery basisValdez, Alaska (US West Coast)FOB
Major exchangesPlatts (ANS West Coast); CME
Export hubValdez, AlaskaHalul Island
Main destinationsUS West Coast, AsiaAsia
Benchmark typeRegional (US WC)Qatari export benchmark grade
Market profile
Key characteristicsUS West Coast benchmark, moderate sour gradeMedium sour Qatari export blend
Refining notesModerate distillate yield; significant fuel oil portionFull-range refining feedstock
FAQ

Alaska North Slope vs Qatar Marine questions

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

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July 06, 2026 Alaska North Slope Crude was $89.90 and Qatar Marine Crude $ per barrel, so Qatar Marine traded at a premium of $0 over Alaska North Slope. Over the previous 30 shared price days the spread averaged -- $/bbl, with Qatar Marine priced above Alaska North Slope on 0 day(s).

Alaska North Slope Crude is a medium/sour USA (Alaska) crude (31.9° API, 0.93% sulfur) and Regional (US WC) benchmark. Qatar Marine Crude is a medium/sour Offshore Qatari fields blend crude (35° API, 1.5% sulfur) and Qatari export benchmark grade benchmark.