Pre-FEED Engineering for the design of a new turbo-expander cryogenic fractionation facility capable of handling 400 MMSCFD inlet gas with a minimum recovery of 85% ethane and 98% of propane.

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Technical evaluation of different Turbo-Expander Technologies such as:

• Gas Subcooled Process (GSP)

• Recycle Split Vapour (RSV)

• Ortloff Recycle Split Vapour Enrichment (RSVE)

• Ortloff Supplemental Rectification Process (SRP)

• Ortloff Single Column Overhead Recycle (SCORE)

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New Turbo-Expander Plant design includes:

• Mole sieve dehydrators

• Inlet separators

• Heat exchangers

• Gas/Gas exchangers

• Low temperature separator (LTS)

• Turbo-expander/compressor unit

• De-methanizer

• Reflux loop (Condenser, accumulator, pumps)

• Pumps

• Reboilers

• Gas compressors

• Aftercoolers

• Propane refrigeration loop

• Utilities (FG, I/A, HM)

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Evaluation of existing plant auxiliary systems and determine new systems requirements:

• Inlet Filters

• Inlet Dehydrators

• Sulfur Sweetening Unit

• NGL Storage and Pumping

• Hot Oil System

• Flare System (Low Pressure Flare / Flare Knock Out Drum / Smokeless Flare Stack)

• Fuel Gas

• Instrument Air

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Completion of Class V Estimation for each Turbo-Expander technologies:

• CAPEX

• OPEX