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Heat pipe repairs help keep ground cool beneath TAPS
About half of
the 800-mile-long Trans Alaska Pipeline System (TAPS) is built
above permafrost that needs to stay frozen to help keep the
pipeline stable.
That's why engineers placed 124,300 heat pipes into TAPS'
vertical support members that are on permafrost terrain, two
per support.
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In the Field
New technologies minimize environmental impact
Facilities at Pump Stations (PS) 1, 3, 4
and 9 underwent some changes as the company prepares to
install new electric motor driven mainline pumps as part of
Strategic Reconfiguration. The project will modernize the
current operations with the new pumps at PS 1, 3, 4 and 9
being electrified, automated and upgraded to use new modular
mainline pump systems, while PS 5 is being electrified,
automated and upgraded to use a new booster/injection pump
system.
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President's Message
David Wight, President and CEO
2004 Year in Review
It is the end of the year, time to evaluate Alyeska’s 2004
performance. Our bottom line standards are always safety,
operational integrity and regulatory compliance. Through
November we moved more than 300 million barrels of oil through
the Trans Alaska Pipeline System (TAPS), and we expect that
number to reach about 330 million barrels by yearend.
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Face to Face
Nathan Brock
Business Planning Manager
Nathan Brock is a long time Alaskan who drove up the Alcan
Highway to Fairbanks with his parents in 1967. He attended
kindergarten through college in Fairbanks, graduating with a
Bachelor of Arts in Accounting in 1987. He began his career at
Ernst and Whinney in 1988 and joined Alyeska in 1991.
Nathan has worked in a variety of Alyeska finance and
accounting positions in Anchorage and Fairbanks.
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Pipeline 101
Monitoring pipeline integrity
Almost half of the 800-mile-long Trans Alaska Pipeline System
(TAPS) is underground and difficult to visually inspect.
Alyeska monitors this 380 miles of buried pipeline with state
of the art in-line inspection devices commonly called “smart”
pigs. The pigs are pushed through the pipe by the oil.
Operators use several types of “smart” pigs to periodically
inspect for pipeline corrosion and deformation using
nondestructive sensor technologies including ultrasound and
magnetic sensors.
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