It is a single pipeline with 11 intermediate pumping stations and 3. The trans alaska pipeline system taps is approximately 800 miles in length. Project planning pump station haul road pipeline construction pipeline route. May 19, 2020 the trans alaska pipeline systems pump station 3. Rhen the trans alaska pipeline is completed, the system will consist of about 800 miles of 48inch pipe, 12 pump stations, a communications system, and a terminal at port valdez. Right, the start of the trans alaska pipeline in deadhorse, alaska. Emd7852 lessons learned from constructing the transalaska.
Noaa a caribou next to the trans alaska pipeline s pump station one, which moves oil through the pipeline. Trans alaska pipeline project, and was a joint venture of atlantic pipe line company now conocophillips transportation alaska, inc. Transalaska pipeline the 800milelong trans alaska pipeline system taps is one of the largest pipeline systems in the world. Even retired stations contribute to line operation see story page 7. Tariff information is for convenience only and may not accurately represent the most current tariff information. Estimation of oil spill risk from alaska north slope. There are four operating pump stations and one relief station along the pipeline. Transalaska oil pipeline system global energy monitor. Department of the interior, minerals management service. The first pipe was laid in the tonsina river, north of valdez, on march 27, 1975. Pump station 10 is located along the richardson highway milepost 219 trans alaska pipeline systems taps pipeline milepost 585. Begun in march 1975 and completed in 1977, pipeline construction employed some 30,000 workers at its peak and was the largest and most expensive privately funded construction project ever undertaken. Pump station 1 was the last to come online with new pumps, cutting over from its legacy pumping equipment in october 2015.
Work on the pumping stations and the planning and construction of the trans alaska pipeline system. North slope oil flows into ps01 before flowing through taps to the. Physical security at facilities along the trans alaska pipeline system was considerably more ex tensive. A caribou next to the trans alaska pipeline s pump station one, which moves oil through the pipeline. Eastern north slope oil pipeline design basis alaska. The trans alaska pipeline system and the sakhalinii project pipelines are two major. Approximately 800 the number of personnel working at pump stations varies throughout the year and is captured in the statistics for anchorage, fairbanks or valdez. Even if youve never heard of prudhoe bay, most people have heard of the trans alaska pipeline which is truly an engineering marvel. Pump station 9 goes electric july 04, 2004 petroleum news. For a proposed natural gas pipeline from the alaska north slope to the u. Williams introduction the trans alaska pipeline system taps is being built by eight oil companies acting through a common agent, alyeska pipeline service company. The trans alaska pipeline system taps includes the trans alaska crudeoil pipeline, 11 pump stations, several hundred miles of feeder pipelines, and the valdez marine terminal, where oil is loaded onto tankers for shipment to market. Transalaska pipeline will be useful for the proposed building of a gas pipeline by.
Feb 01, 2012 the oil companies that run the transalaska pipeline suggest that if oil flows drop too low, the line could be compromised. Abstractthe trans alaska pipeline was built to transport crude oil from the prudhoe bay field on the. This station relieves pipeline pressure by slowing the flow of oil descending from the brooks range. Federal energy regulatory commission before commissioners. Pump station 4 pump station 4 on the transalaska pipeline. When operating at maximum capacity, the pipeline could deliver 27,500 barrels of fuel a day, most of which was for air force use. Anchorage, alaska alyeska pipeline is responding to yesterdays incident at pump station 9 near delta junction, where several thousand barrels of oil spilled to containment. One of the pump stations along the alyeska pipe line between deadhorse and valdez. The 800mile trans alaska pipeline system taps is an engineering marvel that has moved 18 billion barrels of oil since startup in 1977.
Transalaska pipeline operator increases oil flow, demand. There are two types of pigs, named for the squealing sound they make as they move through the trans alaska pipeline. Pump station 4 on the trans alaska pipeline sits on a knoll next to the dalton highway under rocky ridges of the brooks range. When the trans alaska pipeline was built, there were 12 planned pump stations.
Estimation of oil spill risk from alaska north slope, trans. Originally, five strategically located pump stations pressured fuel through the pipeline. Alaska pipeline flow is indefinite after explosion at pumping. Automated pump stations and pipeline control systems in pipeline parlance, the controlling computer at the operations control center occ and the communications system between the occ and the pump stations and valves constitute the main components of the scada, or supervisory control and data acquisition system. But others say that the industrys numbers are wrong and are actually.
The pigs travel to the receiving stations pump station 4 or valdez and into another section of oversized pipe pig receiver where the pig is isolated and removed. The transalaska pipeline and strict liability for oil. This massive pipeline boasts 11 pumping stations, although the line was designed to house 12. They are spaced every 50100 miles along the pipeline route and they serve to push the oil through the pipeline faster and increase the throughput.
Second, this is one of the launching and receiving stations for devices called pigs. Transalaska pipeline system cross section with elevations. Construction of the trans alaska pipeline system wikipedia all were onestory, except at valdez and at the pump station camps, since it was expected that river crossings would take longer to complete than portions of the pipeline on dry land. Coming online in 1977, the pipeline first had eight pumping stations working, which picked up to 11 by. This environmental assessment ea of the proposed reconfiguration of the trans alaska pipeline system taps discusses the potential environmental effects of strategic reconfiguration of the pump stations for the taps. But the alyeska pipeline service companys struggles with the large, bulletshaped devices that perform inline cleaning and inspection tasks raise questions concerning safety of operations on the 800mile pipeline that currently ships more than. Pipeline to the trans alaska pipeline system pump station no. Alyeska pipeline taps pipeline operations pump stations. Educational excellence at the heart of the global supply chain. Alyeska pipeline service companys pump station 1 facility marks the beginning of the trans alaska. December 1972 for the terminal and pump station construction and bechtel.
However, station 11 was never built, and station 5 is for pressure relief only. Trans alaska pipeline system taps began service in 1977 800 miles in length. By the end of 1976, an additional 428 miles of pipeline were in place. Costs of building the trans alaska pipeline were grossly underestimated. Estimation of oil spill risk from alaska north slope, trans alaska pipeline, and arctic canada oil spill data sets april 2000 prepared by. Dec 14, 2017 the trans alaska pipeline system taps consists of the 48inch diameter petroleum pipeline that extends from the prudhoe bay area of the north slope of alaska to the southern port of valdez, alaska, together with pump stations, metering facilities, tankage, terminal, docks. The sagavanirktok river borders the trans alaskan pipeline and pump station 3 to the east of the area proposed for potential development fig. This gas pipeline extends south from prudhoe bay to pump station four a. Alyeska pipeline service company apsc, as operator of the taps, and the taps owners are considering several changes to pump. The oliktok pipeline originates near pump station 1 of the trans alaska pipeline system and terminates in the kuparuk river unit. Planning and construction of the transalaska pipeline. Trans alaska pipeline will be useful for the proposed building of a gas pipeline by the. As more became known about the size of the prudhoe bay reservoir, additional pumping stations added to the design raised the capacity to two million barrels per. The trans alaska pipeline carries oil 800 miles from prudhoe bay on the arctic ocean to the pipeline terminus at port valdez.
Is the trans alaska pipeline system in danger of being. Fish and wildlife service, anchorage, ak june, 1980. At the same time work was begun on pump stations, the pipeline work pad, and the valdez terminal. Taps originates at pump station 1, located on the north slope of alaska, and terminates at the valdez marine terminal, in the city of valdez. The trans alaska pipeline system taps and comparisons with. There are four operating pump stations and one relief station along the pipeline s 800 mile route. The construction of the transalaska pipeline system included over 800 miles 1,300 km of oil pipeline, 12 pump stations, and a new tanker port. Pipeline shut down after contained spill at pump station 9. Only 11 were built due to overall pumping efficiency. Pump station 1 booster pump piping incident alaska department. Taps is one of the worlds largest pipeline systems.
Alyeska pipeline service corporation acted as the ccmmon agent for the eight companies involved in the pipeline system. Construction of the transalaska pipeline system wikipedia. It stretches from prudhoe bay on alaska s north slope, through rugged and beautiful terrain, to valdez, the northernmost icefree port in north america. Final report on the evaluation of stream crossings and effect s of channel modifications on fishery resources along the route of the trans alaska pipeline. At the trans alaska pipelines start, where 200 million. Box 2220 houston, tx 77001 received apr 6201z applying to the intrastate transportation of petroleum by exxonmobil pipeline company through the trans alaska pipeline system and loading on vessels bound for destinations inside alaska. Since the arctic ocean at prudhoe bay is icefree for only six weeks out of the year, the pipeline was built to move north slope oil from pump station no. The transalaska pipeline system case history is one of 30 cases. A map of the route of the trans alaska pipeline, showing pump stations, cities, roads, mountain ranges and passes, and bodies of water. Alaska pipeline flow is indefinite after explosion at. Due to declining north slope crude production, only four pump stations along the trans alaska pipeline currently are used to move oil.
Pump station 6 is now the yukon response base, providing equipment, housing and staging areas for alyeskas oil spill response crews in northern alaska. Trans alaska pipeline pump station 01 crude oil spill earl liverman, region 10 15th annual osc readiness training program. Trans alaska pipeline old man camp pump station no. Pump station 5 is a relief station, providing a mechanism to relieve the pressure that builds up in the pipeline. May 06, 1975 alaska pipeline pump station m be built in different location to protect nesting sites for falcons and other birds of prey the site for one of the 12 pumping stations for the trans alaska oil, pipeline will be permanently relocated, and a private airfields nearby. T2 pumping station al mahattah ath thaniyah 8456 km. This station is built on a refrigerated foundation that keeps the buildings heat from melting the permafrost below. In 1961, six booster stations were added to the system to increase the fuel output. Trans alaska pipeline pump station 01 crude oil spill. Transalaska pipeline electrical power requirements. Photo courtesy alyeska pipeline service company the operator of the trans alaska pipeline is allowing oil companies to send more crude from. The pipeline would pass pump station 1, the start of the trans alaska oil pipeline, which has been carrying north slope oil since production. Pump station 10 has been out of service since 1998. Pump station facilities in original design 12 pump stations with 4 pumps each.
For more information on the trans alaska pipeline system visit pipeline. A cleaning or dump pig travels through the pipeline cleaning any buildup on the inside. The construction of the transalaska pipeline system included over 800 miles of oil pipeline, 12 pump stations, and a new tanker port. In addition, a pipe spool piece is installed at pump station 8 to allow pig launches at this location if necessary. Pump stations 1, 3, 4 and 9 currently pump oil through taps. The transalaska pipeline system taps is an oil transportation system spanning alaska, including the trans alaska crudeoil pipeline, 11 pump stations, several hundred miles of feeder pipelines, and the valdez marine terminal.
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