Alaska North Slope

Production and handling

The major constituent fields include Prudhoe Bay, Kaparuk and Lisburne. These facilities are located approximately 600 miles north of Valdez, Alaska. Production began in 1977. Current output is ~460kBD. ExxonMobil markets ~110 kbd of ANS, primarily to customers on the west coast of the United States. 

Logistics Data

ANS is loaded at the Alyeska Valdez, Alaska Marine Terminal into American flag vessels as required by United States statutes. To date, all export sales have been on vessels arranged by the seller. 

Typical characteristics

ANS is a medium grade crude which has been economically processed throughout the United States and in Japan, Korea, and China.

  • Gravity 32.1
  • Sulfur 0.96%
  • Load Port Alaska Marine Terminal


The materials contained in this website are provided to you courtesy of ExxonMobil and are based on a range of data and information. While care has been taken in preparing the materials, ExxonMobil makes no representations, warranties or guarantees as to their accuracy, reliability, quality, correctness or completeness. Each user must make its own determination and judgment on applying any information in this assay. Any and all use of this information shall be the sole responsibility of the user, and the user releases ExxonMobil and its affiliates from any and all claims arising from its use and shall defend and hold ExxonMobil and its affiliates harmless from any third-party claims arising from the user's application or use of any part of the materials.

Related content

The fundamentals of fuel prices and supply

The fundamentals of fuel prices and supply

We’re all hearing about high fuel prices, and some are calling on energy companies like ExxonMobil to increase production to help ease pain at the pump. We know high prices are having a real impact on families everywhere – no one wants to pay more to get themselves to work or their kids to school.
ExxonMobil Hadrian oil rig.

Crude oils by region

A list of crude oil by geographic location.