Crude grade comparison

Alaska North Slope vs Masila

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 – Masila spread -- USD/BBL · Alaska North Slope premium
Masila Basin

Masila

--
--
Class
Medium/Sour
API
30°
Sulfur
0.6%

Alaska North Slope Crude vs Masila Crude: on July 06, 2026 Alaska North Slope settled at $89.90/bbl (0.00%) and Masila price information is not available. Alaska North Slope is medium/sour crude (31.9° API, 0.93% sulfur); Masila is medium/sour crude (30° API, 0.6% sulfur).

Crude quality

Quality & refinery yields

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

  • Alaska North Slope Crude
  • Masila Crude

Physical & chemical properties

API gravityhigher = lighter
ANS31.9°
M30°
Sulfur contenthigher = sourer
ANS0.93%
M0.6%
Densityhigher = heavier
ANS0.87 g/cm³
M g/cm³
Viscosityhigher = thicker
ANS7.8 cSt
M cSt
Pour pointhigher = waxier
ANS15 °C
M °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 Masila Crude
PropertyAlaska North Slope CrudeMasila CrudeAlaska North Slope − Masila
Classification
ClassificationMedium/SourMedium/Sour
OriginUSA (Alaska)Masila Basin
Chemical properties
API gravity31.9° API30° API+1.9 °API
Sulfur content0.93%0.6%+0.33%
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, AlaskaAsh Shihr
Main destinationsUS West Coast, AsiaAsia
Benchmark typeRegional (US WC)
Market profile
Key characteristicsUS West Coast benchmark, moderate sour gradeMedium-gravity Yemeni crude
Refining notesModerate distillate yield; significant fuel oil portionRegional refining feedstock
FAQ

Alaska North Slope vs Masila 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 Masila Crude $ per barrel, so Masila traded at a premium of $0 over Alaska North Slope. Over the previous 30 shared price days the spread averaged -- $/bbl, with Masila 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. Masila Crude is a medium/sour Masila Basin crude (30° API, 0.6% sulfur) and benchmark.