Equipment
SPEC engineers and fabricates dew point control, NGL and LPG recovery and cryogenic systems, sized to the feed composition and product targets.
Sour Gas Processing Plant for Dewan Petroleum Salsabil Gas Field, Pakistan 2008
View project →The recovery route follows the liquid recovery target and the available pressure differential.
In this category
From simple dew point control through to deep cryogenic recovery. The route depends on the recovery target, the available pressure drop and the product specification.
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J-T valve expansion, mechanical refrigeration, low temperature separation or turbo expander, selected against the required dew point.
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Turbo-expander systems reaching the low temperatures needed for deep ethane and propane recovery.
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NGL recovery and fractionation, separating the liquid stream into saleable products.
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LPG recovery and production trains, from dew point control through fractionation to filling.
View details →Capabilities
The simplest route, using available pressure drop across a Joule-Thomson valve to drop temperature.
External refrigeration where the gas does not carry enough pressure to reach the target temperature.
Expansion with work recovery, giving higher ethane and propane recovery where feed composition, pressure and product target justify cryogenic processing.
LTS units combining chilling and separation on a single skid.
Splitting the recovered liquid into ethane, propane, butane and natural gasoline (C5+) to product specification.
Recovery targets and the inlet analysis set the configuration, not a standard model.
Pressure vessels designed and built to ASME Section VIII in SPEC facilities.
Assembled and tested before shipment where required by project scope, which can reduce site installation work.
FEED studies that define the process configuration and equipment selection before detailed engineering.
Applications
Liquid recovery downstream of conditioning, where the recovery target and the value of the extracted liquids set the process route.
Recovery and fractionation for saleable LPG. References include the 100 tonne a day Umutu facility in Nigeria and the 125 tonne a day Kenlyk facility in Kazakhstan.
Project experience
Dew point control and LPG recovery systems supplied within gas processing and LPG production facilities in Nigeria and Pakistan.
Enquiries
Send us your process data and operating conditions, and we will review the duty with you.
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