Crude grade comparison

Basrah Light vs Qatar Marine

Price, Basrah Light spread, quality and refinery yields side by side. Updated .

Iraq (Basra, Persian Gulf)

Basrah Light

$108.39USD/BBL
■ 0.00(0.00%)
Class
Medium/Sour
API
30.5°
Sulfur
2.9%
VS
Basrah Light – Qatar Marine spread -- USD/BBL · Basrah Light premium
Offshore Qatari fields blend

Qatar Marine

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

Basrah Light Crude vs Qatar Marine Crude: on July 06, 2026 Basrah Light settled at $108.39/bbl (0.00%) and Qatar Marine price information is not available. Basrah Light is medium/sour crude (30.5° API, 2.9% 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.

  • Basrah Light Crude
  • Qatar Marine Crude

Physical & chemical properties

API gravityhigher = lighter
BL30.5°
QM35°
Sulfur contenthigher = sourer
BL2.9%
QM1.5%
Densityhigher = heavier
BL0.872 g/cm³
QM g/cm³
Viscosityhigher = thicker
BL9.8 cSt
QM cSt
Pour pointhigher = waxier
BL18 °C
QM °C

Typical refinery yields

Gasoline% of barrel
BL18-22%
Diesel% of barrel
BL40-44%
Jet fuel% of barrel
BL08-10'%
Residual fuel% of barrel
BL22-28%

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 Basrah Light Crude and Qatar Marine Crude
PropertyBasrah Light CrudeQatar Marine CrudeBasrah Light − Qatar Marine
Classification
ClassificationMedium/SourMedium/Sour
OriginIraq (Basra, Persian Gulf)Offshore Qatari fields blend
Chemical properties
API gravity30.5° API35° API-4.5 °API
Sulfur content2.9%1.5%+1.4%
Density0.872 g/cm³ g/cm³+0.872 g/cm³
Pour point18 °C °C+18 °C
Viscosity9.8 cSt cSt+9.8 cSt
Typical refinery yields
Gasoline18-22%%+22 pts
Diesel40-44%%+44 pts
Jet fuel08-10'%%+10 pts
Residual fuel22-28%%+28 pts
Trading & logistics
Delivery basisBasra (Persian Gulf) terminalsFOB
Major exchangesSOMO OSP (vs Dubai/Oman)
Export hubAl-Amiq Terminal, Khor al-Amaya, Mina al-BakrHalul Island
Main destinationsAsia, EuropeAsia
Benchmark typeRegional (Middle East)Qatari export benchmark grade
Market profile
Key characteristicsIraq's flagship crude, high residual contentMedium sour Qatari export blend
Refining notesHigh residual fuel content; used in complex refineriesFull-range refining feedstock
FAQ

Basrah Light vs Qatar Marine questions

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

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July 06, 2026 Basrah Light Crude was $108.39 and Qatar Marine Crude $ per barrel, so Qatar Marine traded at a premium of $0 over Basrah Light. Over the previous 30 shared price days the spread averaged -- $/bbl, with Qatar Marine priced above Basrah Light on 0 day(s).

Basrah Light Crude is a medium/sour Iraq (Basra, Persian Gulf) crude (30.5° API, 2.9% sulfur) and Regional (Middle East) benchmark. Qatar Marine Crude is a medium/sour Offshore Qatari fields blend crude (35° API, 1.5% sulfur) and Qatari export benchmark grade benchmark.