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Applications 21
a typical application. In California, a very high percentage of the power
produced is generated by gas turbine power plants. In addition, many
of these facilities also utilize cogeneration to recover the waste heat
from the gas turbine exhaust. Gas turbines have also found a niche in
pipeline pumping and compression applications in some of the harshest
environments in the world. The Alyeska Pipeline pumps approximately
2 million barrels of crude oil per day from the oil fields at Prudhoe
Bay to the shipping port in Valdez, Alaska. This pipeline, installed in
the 1970s, extends 800 miles over some of the coldest landscape in the
world. The pipeline utilizes aero-derivative single spool-split output
shaft gas turbines driving centrifugal pumps. Another application of
aero-derivative gas turbines is the Saudi Arabian East-West Pipeline.
This pipeline extends across Saudi Arabia, east-to-west approximately
900 miles, over some of the hottest landscape in the world. The
Saudi Arabian East-West Pipeline transports natural gas liquids from
Abquaiq to the port facility in Yanbu.
Figure 2-11. Courtesy of Harbor Cogeneration Company. Cogeneration
facility utilizing a General Electric MS 7001 gas turbine, and a
400,000 pound per hour Heat Recovery Steam Generator.