Oil and gas production handbook An introduction to oil ... - ABB Group

2.3.5 Utility systems
Utility systems are systems which do not handle the hydrocarbon process
flow, but provide some service to the main process safety or residents.
Depending on the location of the installation, many such functions may be
available from nearby infrastructure, such as electricity. Many remote
installations are fully self-sustaining and must generate their own power,
water, etc.
2.4 Midstream
The midstream part of the value chain is often defined as gas plants, LNG
production and regasification, and oil and gas pipeline transport systems.
2.4.1 Gas Plants
Gas processing consists of
separating the various
hydrocarbons and fluids
from the pure natural gas to
produce what is known as
“pipeline quality” dry natural
gas. Major transportation
pipelines usually impose
restrictions on the makeup
of natural gas that is
allowed into the pipeline.
Before the natural gas can
be transported it must be
purified.
Figure 3. Midstream facilities
Whatever the source of the
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