South Pars Gas Field Development Project – Phases 22, 23, 24 & 13

The South Pars Gas Field is one of the world’s largest natural gas reserves, located in the Persian Gulf, southern Iran. The South Pars Gas Field Development Project for Phases 13, 22, 23, and 24 has been commissioned by the National Iranian Oil Company (NIOC), with the goal of increasing Iran’s domestic gas production and supporting national energy demands.

The PSA consortium was selected as the main contractor for the full EPCC (Engineering, Procurement, Construction, and Commissioning) scope. This major energy project covers offshore facilities and platforms, undersea pipeline networks, and extensive onshore infrastructure for advanced gas processing and stabilization of reservoir fluids.

Key Project Participants

• PSA: Lead EPCC contractor, responsible for executing all engineering, procurement, construction, and commissioning activities.
• Sazeh-Nargan Consultants: In charge of basic engineering and FEED (Front-End Engineering Design) for onshore facilities.
• Offshore Consultant: Managing the offshore development and engineering works.
• Tehran Raymand Consulting Engineers: Contracted by Sazeh Consultants for FEED and detailed engineering design of specific onshore facility units.

Project Capacity and Output

• Total Processing Capacity: 2,000 MMSCFD (million standard cubic feet per day) of reservoir fluids from the South Pars gas field to be handled at the onshore processing facilities for Phases 22, 23, and 24.
• Final Output: The project delivers high-quality sales gas and stabilized gas condensate, supporting Iran’s natural gas exports and local energy needs.

Tehran Raymand’s Engineering Scope

Under contract with Sazeh Consultants, Tehran Raymand provides full FEED and detailed engineering services for the following critical plant units:

• Processing and Stabilization Units:
  • U100: Slug Catcher and Reception Facilities
  • U103: Condensate Stabilization Unit
  • U109: Sour Water Stripping
  • U110: Backup Stabilization Unit
  • U112: Demineralized Water System (DMC)
  • U102: MEG (Monoethylene Glycol) Regeneration and Reclaiming Unit
• Utility and Support Units:
  • U121/123/124: Steam Generation, Instrument Air & Nitrogen Generation
  • U122: Fuel Gas Drums
  • U131: Diesel System
  • U131/U146: Diesel and Chemical Storage
  • U143: Condensate Storage and Pump Station
  • U143: Off-Spec Storage Tank
  • U145: Propane Refrigerant Storage
• Interconnecting and Supporting Infrastructure:
  • U176: Instrumentation and Telecommunication Racks (SS2/ITR-1/ITR-2, SS3/ITR-3/ITR-4, SS5/ITR-7/ITR-8, SS6/ITR-11)
  • U160: Sub-Interconnecting Pipe Rack

Project Objectives and Deliverables

• Front-End Engineering Design (FEED): Develop comprehensive FEED for all assigned units to ensure reliable, safe, and efficient operation.
• General Engineering Activities: Carry out engineering tasks and technical support throughout the project lifecycle.
• Detailed Engineering Design: Deliver detailed design packages for processing, utility, and infrastructure units.
• Engineering Procurement Services: Oversee procurement of equipment and services required for engineering and construction phases.

Related Links

• Tehran Raymand Projects
• National Iranian Oil Company (NIOC)
• Sazeh-Nargan Consultants Projects
• South Pars Gas Field Overview