Nitech™ NRU Project
bowman, north dakota
PROJECT SPECIFICATIONS
Plant Location: Bowman, ND
Facility Size: 43 MMSCFD
Plant Type:
Inlet Gas Content: N2 60% to 75%
Project Type: EPC
Completion: August 2007
PROJECT DESCRIPTION
In Southwestern North Dakota, producers are injecting air
into oil producing reservoirs in order to increase the
temperature in the reservoir and to decrease the viscosity
of the crude oil. In addition, the reservoir pressure is
increased facilitating increased production. BCCK employed
a proven process designed to remove residual amounts of
oxygen coming from the reservoir that had not taken part in
the combustion process. In addition, there was a significant
amount of carbon dioxide and nitrogen generated by the air
flood process. Our process is designed for a wide range of
nitrogen since the air injection process is on-going and the
nitrogen content is increasing. This facility utilizes the
newest generation Nitech™ internal condenser that
provides a cleaner nitrogen vent relative to methane losses.
Another feature of this facility was to design with small
footprints since the facility is installed in process buildings
as required to protect the facility from the harsh and cold
winter environment with normal temperatures reaching
from -20 to -40 degrees F. Carbon dioxide removal
is brought about by the use of conventional amine
and reduces the carbon dioxide content feeding
the NRU from approximately 8 PPM to
approximately 10 PPM. The oxygen removal
system was designed to remove oxygen
content to as low as 1 PPM. Nitrogen is
removed from near 60% down to the specified
level of approximately 10% to be used for both
sales and field fuel gas.
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