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EOR Once Through Steam Generators and Steam Systems by EN-FAB Inc
EN-FAB Inc provides EOR once through steam generators designed for reliable, high efficiency steam production with flexible pressure options for enhanced oil recovery operations. The radiant section is cylindrical with horizontal tubes transposed around the radiant section for equalized heat pick up. The tubes are supported with high alloy tube supports and are free to expand with temperature changes. The radiant section also provides large furnace volume for flexibility in combustion fuel and firing changes. The heat transfer surface in the radiant section normally picks up about 60% to 65% of the overall heat transfer duty. The refractory lined wall provides for reflective heat transfer to the tubes and insulation to reduce heat loss through the chamber wall.

The feed water flow rate is controlled by the generator discharge pressure. The burner firing rate is controlled by a metered flow rate signal. This allows the generator to be adjusted to give the desired steam discharge quality. Standard and optional safety limit devices allow unattended operation of the Generator. Certain limits are standard with annunciator lights to indicate reason of shutdown. Other limits are optional along with additional annunciator devices.