SKIDS & UNITS
Five technology families, delivered as EPCI packages for licensors, EPC contractors and operators worldwide.
Package types
TEG gas dehydration packages · Glycol regeneration packages · Molecular sieve LPG dehydration with regeneration and separation · Gas dehydration and mercury removal units · Chemical injection packages · MEG regeneration skids · PSA units (6-bed, 8-bed, 10-bed) · Membrane separation systems · Nitrogen generation plants with cold box and warm skids · Boil-off and ammonia refrigeration plants · Turbo Brayton cryogenic systems for LNG · Electrolysis modules · HTCR hydrogen production plants
Fabrication scope
Prefabrication and assembly of units · Mono and multidisciplinary skid-mounted plant and equipment · On- and offshore modules and packaged units · Structural frames for offshore and well drilling equipment · Platform and shelving steel structures · Safety infrastructures and storage platforms · Welding processes, steel structures, boilers and pressure vessels · On-site maintenance services
Piping and welding
Carbon steel · Alloy steel · Stainless steel · Duplex and superduplex · Inconel · Aluminium · In-house prefabrication up to 150,000 dia-inch per year
Package limits
25 m (L) × 9 m (W) × 13 m (H) · Up to 500 tons · Cranes up to 300 tons · Direct harbour access from the Porto San Vitale yard, no road transport constraints
Gas Treatment & Dehydration
Scope:
Removal of water, heavy hydrocarbons and contaminants from process and natural gas streams.
Technologies:
TEG contactors and glycol regeneration · molecular sieve dehydration and regeneration · mercury removal · MEG regeneration · gas dehydration and condensation.
Selected references:
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Shell Nigeria — Daewoo-Fluor JV — 2× TEG dehydration packages, contactors Ø2.7 × h10.7 m, 14,800,000 Sm³/day each — Gbaran Ubie, Nigeria, 2007
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NAOC — Daewoo E&C — TEG dehydration package, 300 MMSCF/d — Ogbainbiri flowstation, Nigeria, 2009
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Lavan Refinery — Chagalesh — LPG molecular sieve dehydration with regeneration and separation, 8,000 kg/h — Iran, 2007
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IOOC — OIEC — gas dehydration and mercury removal unit, 4 MMNm³/d — Sirri Island, Iran, 2009
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PX Limited — MEG regeneration skid — Breagh Field, Teesside, UK
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Tatweer Petroleum — column and interconnecting, Central Gas Dehydration — Bahrain
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Kuwait Oil Company — gas dehydration and condensation plant, Booster Station BS-131 — Kuwait
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Saudi Arabian Oil Company — Gas Dehydration Unit, Manifa AH Crude Program — Persian Gulf
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Aker Floating Production — glycol scrubber and TEG regeneration — FPSO SMART-1
Separation & Purification
Scope:
Recovery and purification of hydrogen, nitrogen and process gases.
Technologies:
PSA units and valve skids · membrane separation systems · adsorption units.
Selected references:
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Pemex — UOP LLC — 2× 10-bed PSA + 1× 6-bed PSA valve skids — Dos Bocas Refinery, Mexico, 2021–22
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ArcelorMittal — Air Liquide E&C — 8-bed PSA unit — Ghent, Belgium, 2020
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KNPC — UOP N.V. — 3× N₂ treatment and PSA units — Kuwait, 2017
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Marathon Oil Co. — UOP N.V. — Polysep membrane unit — Texas, USA, 2019–20
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Technip / Lukoil — UOP N.V. — Polysep membrane system — Burgas Refinery, Bulgaria, 2013
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Kiewit / National Grid — UOP LLC — 3-bed Separsiv unit — Rhode Island, USA, 2020
The Alliance is sized for work that does not fit in a single workshop.
Cryogenics & Liquefaction
Technologies:
cold boxes and warm skids · Turbo Brayton cryogenic systems · boil-off gas handling · industrial refrigeration.
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KNPC — Air Liquide E&C — nitrogen generation plant including cold box and warm skids — Kuwait, 2017
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ALAT — 12× Turbo Brayton cryogenic systems for LNG — various destinations, 2018–20
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Linde / Simplot LLC — GEA — boil-off unit and ammonia refrigeration plant — Rock Springs, WY, USA, 2015
Hydrogen & Electrochemical
Technologies:
HTCR reforming · electrolysis modules · eCOS electrolytic CO production · process skids for hydrogen plants.
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YPF — Haldor Topsoe — 6,000 Nm³/h HTCR hydrogen production plant — Mendoza, Argentina, 2011
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RWE — Linde GmbH — 20× electrolysis modules — Lingen, Germany, 2023–24
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Delille Oxygen Co. — Haldor Topsoe — 2× eCOS plants, CO production by electrolysis — Ohio, USA, 2020
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Air Liquide Portugal — Sadelmi / Air Liquide — process skids A and M for hydrogen production plant — Estarreja, Portugal, 2008
Chemical Injection & Utility Skids
Scope:
Dosing, injection and auxiliary packages for offshore and onshore production facilities.
Selected reference:
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Petrofac / Ithaca Energy — Lewa–Nikkiso — chemical injection package — Stella Development Area, North Sea, 2013
