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Piltun-Astokhskoye-A platform (PA-A / Molikpaq)

The Molikpaq is the first in Russia offshore oil production platform. Commercial oil production from the platform was launched in 1999.

It is a converted drilling rig that was first used in Arctic waters offshore Canada. In 1998, the Molikpaq was towed from the Beaufort Sea in the Canadian Arctic across the Pacific Ocean to Korea where it was upgraded for the Sakhalin-2 Project. It was then towed from Korea to Russia where a steel 'spacer', manufactured by Amur Shipyard was fitted to the bottom of the Molikpaq so that it could be used offshore Sakhalin Island.

The structure was specifically built to operate in ice conditions. The steel spacer allowed for the water in the Sea of Okhotsk, and the completed substructure was filled with sand permanently anchoring it to the seabed.

From 1999 till 2008 the PА-А platform was the heart of the Vityaz Production Complex, which also included the doublehull Okha floating storage and offloading (FSO) vessel, a single anchor leg mooring (SALM) buoy and a sub-sea pipeline.

The Vityaz operations included drilling, production and offloading of oil and the associated support and exploration activities. Oil production occured only during a six-month period when ice cover was not prohibitive to navigation and SALM operation.

Year-round oil production from the PA-A platform was launched in December 2008. Oil from the platform streams through the Transsakhalin pipeline system to the oil export terminal of the Prigorodnoye production complex.

Platform statistics:

  • 120 metres wide.
  • About 37,500 tonnes weight.
  • Molikpaq is ballasted down with 278,000 cubic metres of sand.
  • The living quarters have a capacity for 134 permanent and an additional 30 temporary staff.
  • Production capacity: oil – 90 000 b/d; associated gas - 1.7 mln m3/d.

    Piltun-Astokhskoye-A platform (PA-A / Molikpaq) in wikipedia