ALE completes Korchagin topside load-out in Russia
Friday, Dec 22, 2017
ALE has completed the load-out of satellite platform (SP) topside, weighing 3,200t, for the Korchagin oil field development project in Russia.

ALE was contracted to perform the engineering, weighing, jacking, load-out and offshore pulling operations of the satellite platform (SP) topside, as well as the mooring and ballast supervision for the project in Astrakhan

The first stage of the project has started in November 2017 and involved jacking of the topside to 1.5m, and weighing of the topside so the client could integrate skid beams in between the topside and the desk-support frame (DSF) underneath.

In December, ALE performed the mooring and pulling operations using four SJ600 strand jacks and two 300t capacity breakout jacks to load-out the topside onto the transport barge in just one day.

David Le Masurier, Project Engineer for ALE – Offshore Services, said: “We are delighted to successfully complete this complex operation. As the DSF frame had to incorporate the offshore skidways, leading to a large transverse Centre of Gravity, it made the structure more challenging to control during the ballasting operations. By utilising our in-house-designed strand jack monitoring software and the barge’s internal ballast monitoring, we were able to overcome and correct any deviation of the structure.”

The next phase will involve the offshore skidding of the topside on the substructure during the floatover operations in the Caspian Sea. This is expected to start in 2018.

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