Piltun Astokhskoye Oil And Gas Field

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Summary Information

  • Operator: Sakhalin Energy Investment Company
  • Country: Russia
  • Location: Sakhalin
  • Production start: 2008
  • Partners:
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • Also known as Sakhalin 2 Project
  • The Piltun Astokhskoye Oil And Gas Field is 15 km offshore, in 30 m water depth. It has two platforms, A & B
  • The Molikpaq platform (PA-A), was the first to be installed on the field
  • The Piltun-Astokhskoye-B (PA-B), the largest platform of the Sakhalin-2 project, is a drilling, processing and production platform
  • The platform topsides weigh over 28.000 tons
  • The field produces gas for the Sakhalin Lng Terminal


  • Aker Kvaerner: Engineering, procurement, management and project services for platform substructure
  • Samsung Heavy Industries: Fully integrated deck construction including production and refinery facilities
  • AMEC:
    • Detailed engineering, project management and construction support
    • Construction of 1,600 kilometers of oil and gas pipeline
  • Saipem:
    • Engineering, procurement, construction and installation of a pipeline system connecting the platform to the shore
    • Transport and installation of platform topsides
  • ABB Lummus Global: Design and construction of two modules for the Molikpaq platform


  • 2000 - Shell acquired Marathon's stake in the field
  • 2003 - SHI awarded platform contract
  • 2003 - AMEC Awarded Detailed engineering, project management and construction support contract
  • 2004 - Saipem awarded pipeline & installation contracts
  • 2007 - Platform Topsides installed
  • 2008 - Production started



  1. SHI in Large Shipbuilding Deals
  2. Shell Sakhalin Holdings B.V. And Marathon Sakhalin Limited Asset Swap
  3. ABB wins $100 million Sakhalin oil platform order
  4. Sakhalin contract to Aker Kvaerner
  5. AMEC Awarded US $230 Million Sakhalin II Contract by Shell JV
  6. AMEC SPIE’s Pipeline Business Wins Share Of Russian Project

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