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Front Page » August 14, 2001 » Local News » Questar constructing natural gas compression station
Published 4,795 days ago

Questar constructing natural gas compression station


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By KEVIN ASHBY
Sun Advocate Publisher

To go along with the installation of a new natural gas transmission line is the construction of a new compression station that will contain two new 7,300 horse-power gas powered compressors.

The construction is taking place at Oak Springs, five miles up Consumers where Questar's existing pump station is located. Natural gas is collected from wells now located in Carbon and Emery in an extensive pipeline system and is combined with a line coming in from the Uintah Basin.

The local gas is compressed to about 680 pounds per square inch by four compressors owned by Phillips Petroleum. The gas coming out of the ground starts at only 15 to 100 psi.

Two new 7,300 horsepower compressors will compress the gas to 1,440 psi in the new 24 inch steel pipeline currently being installed. This will allow for upwards of 275 million cubic feet of gas to be delivered each day.

Each new compressors will be anchored to a pad of steel rebar surrounded by 87 yards of concrete. The transmission pipe coming into the facility is also anchored in concrete to prevent any movement of the line.

About 330 yards of concrete have been poured at the job site, about half of what will be needed to complete the job.

A new ultra sonic gas measuring device is also being installed. Currently the gas is measured after it is sliced by steel cutters and measured mechanically. The new process measures sound waves as they pass through the moving gas. A total of six nozzles will measure the gas volume.

About 30 workers are on sight trenching, installing pipe line, pouring concrete and constructing the facilities. The turbines will be installed and the plant will be operating by November to coincide with the completion of the new number 104 transmission line.

The current transmission line, although shut down for construction, continues daily free flow operation of 160,000 cubic feet . The 6,000 horsepower unit boosts the gas pressure to 760 pounds per square inch. The line transports about 205 million cubic feet of gas daily to the Wasatch Front.


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