Coretrax concludes well plugging program at Hess North Sea fields

Offshore staff

ABERDEEN, UK – Coretrax has completed a three-year well decommissioning contract for Hess in the UK central North Sea.

The project involved 30 well abandonments at the Fergus, Fife, Flora, and Angus field cluster and the Ivanhoe/Rob Roy fields.

Coretrax ran 45 bridge plugs and cement retainers, some with a drillable brush.

Due to the need for extensive section milling operations, the company deployed its BOP cleaning and swarf recovery string to remove swarf from ram cavities and protect the BOP. In some cases up to 40 kg of swarf was recovered per run.

John Fraser, global business development director, said: “As part of the project we ran the BOP magnet and jetting sub up to three times after over 30 milling operations and there was virtually no swarf within the cavities, which gave the entire team the confidence to progress to the next stage immediately…none of our cement plugs had to be re-set.” 


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