Crude grade comparison

Alaska North Slope vs Southern Green Canyon

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 – Southern Green Canyon spread -- USD/BBL · Alaska North Slope premium

Alaska North Slope Crude vs Southern Green Canyon Crude: on July 06, 2026 Alaska North Slope settled at $89.90/bbl (0.00%) and Southern Green Canyon price information is not available. Alaska North Slope is medium/sour crude (31.9° API, 0.93% sulfur); Southern Green Canyon is medium/sour crude (30° API, 1.7% sulfur).

Crude quality

Quality & refinery yields

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

  • Alaska North Slope Crude
  • Southern Green Canyon Crude

Physical & chemical properties

API gravityhigher = lighter
ANS31.9°
SGC30°
Sulfur contenthigher = sourer
ANS0.93%
SGC1.7%
Densityhigher = heavier
ANS0.87 g/cm³
SGC g/cm³
Viscosityhigher = thicker
ANS7.8 cSt
SGC cSt
Pour pointhigher = waxier
ANS15 °C
SGC °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 Southern Green Canyon Crude
PropertyAlaska North Slope CrudeSouthern Green Canyon CrudeAlaska North Slope − Southern Green Canyon
Classification
ClassificationMedium/SourMedium/Sour
OriginUSA (Alaska)Green Canyon block, Gulf of Mexico
Chemical properties
API gravity31.9° API30° API+1.9 °API
Sulfur content0.93%1.7%-0.77%
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/pipeline
Major exchangesPlatts (ANS West Coast); CME
Export hubValdez, AlaskaUS Gulf Coast
Main destinationsUS West Coast, AsiaUS Gulf Coast
Benchmark typeRegional (US WC)
Market profile
Key characteristicsUS West Coast benchmark, moderate sour gradeMedium sour US Gulf of Mexico crude
Refining notesModerate distillate yield; significant fuel oil portionFull-range refining feedstock
FAQ

Alaska North Slope vs Southern Green Canyon 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 Southern Green Canyon Crude $ per barrel, so Southern Green Canyon traded at a premium of $0 over Alaska North Slope. Over the previous 30 shared price days the spread averaged -- $/bbl, with Southern Green Canyon 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. Southern Green Canyon Crude is a medium/sour Green Canyon block, Gulf of Mexico crude (30° API, 1.7% sulfur) and benchmark.