Chevron 2008 Annual Report Download - page 12
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Tengizchevroil
The Tengiz Field in Kazakhstan is one of the world’s 10 largest
crude oil elds — and one of the most complex to produce. The
crude oil is high in hydrogen sulde gas, and the reservoirs must be
maintained at ultra-high pressures in order to maximize production.
Two expansion projects of extraordinary scope have overcome both
challenges and almost doubled production capacity. One project
called for building the largest facility in the world for processing
crude oil and separating out the hydrogen sulde gas. The second
included a specially designed compressor that reinjects one-third
of the gas back into the reservoir at the highest pressures ever
achieved. The gas helps maintain reservoir pressure and acts as a
solvent, sweeping additional crude oil toward producing wells.
See Tengiz’s pioneering expansion.
Chevron.com/Tengiz
Deliver Energy Now
Tengizchevroil: The Impact
Daily production capacity expanded to
540,000 barrels of crude oil, 760 million
cubic feet of natural gas and 46,000
barrels of natural gas liquids.