Trans-Alaska Pipeline

Trans-Alaska Pipeline

The Trans-Alaska pipeline is only reasonable way to get the crude oil from the north slope of Alaska, (Prudhoe Bay), to Valdez (the northernmost ice-free port in North America). It transports 13% of the nation's domestic oil production.

Pipeline

Pipeline

Pipeline

OWNED BY 5 PIPELINE COMPANIES:
  • BP Pipelines (Alaska) Inc.
  • ConocoPhillips Transportation Alaska, Inc.
  • Exxon Pipeline Company
  • Koch Alaska Pipeline Company, L.L.C.
  • Unocal Pipeline Company

HISTORY

  • Oil discovered at Prudhoe Bay: 1968
  • First pipe laid: March 27, 1975. First oil flowed: June 20, 1977
  • Total workforce (1969-1977): 70,000
  • Permits required: State-832; Federal-515

SPECIFICATIONS:

  • 11 Pump Stations, 6 currently running
    48-inch dia. High-tensile carbon steel

    Wall thickness: 0.462 or 0.563 inches
  • Max operation pressure: 1,180 psi (Ibs./sq. inch) 71 gate- and 80 check valves (safety devices to block oil flow)
  • Can stop oil flow in 4 minutes
  • Comprehensive monitoring and repair program
  • Cost to build: $8 billion
  • Avg. daily throughput 1996: 1,435,000 barrels
  • Highest daily throughput: 2,145,297 barrels, January 14, 1988
  • Oil travel time: 6.2 days at 5.4 mph
  • 50 tankers loaded each month
  • More than 14,500 tankers have been loaded with approximately 11 billion barrels of oil
  • Storage Capacity at Valdez Marine Terminal (VMT): 9.18 million barrels (7 Tankers)

EXXON VALDEZ OIL SPILL:

Tanker Capacity: 53 million gallons (200 million L.) (1.3 million Barrels)
Spill: 11 million Gallons (40 million L.) (270,000 barrels)

For more information on the Exxon Valdez oil spill, please visit the following sites:

Exxon Valdez Oil Spill Trustee Council

NOAA's Post-Spill Monitoring Program in Prince William Sound

Or e-mail your question to restoration@oilspill.state.ak.us

For more information on the pipeline, visit the Alyeska Pipeline Service Company site.

Alaska Facts

State Nick Name: "The Last Frontier" - the name Alaska is derived from the Aleut word "Aleyska," meaning "great land."

State Motto: "North to the Future"

State Capital: Juneau, located in the Southeast region of Alaska, has a population of 31,275 (2010 Census)

Alaska Map:

Map of Alaska

Alaska Flag:

Alaska state flag is dark blue with yellow stars in the shape of the big dipper with the North star

NOTE: The State of Alaska is not responsible for the content/information on any site outside of a State of Alaska department.