Exova to test materials for uHP/HT Culzean project in North Sea

Offshore staff

DUDLEY, UK – Exova has won a contract to provide material selection and qualification, and mechanical/ corrosion testing for downhole tubulars to be deployed in Maersk’s Culzean development in the UK central North Sea.

The testing program will replicate the sour and ultra-high-pressure/high-temperature (uHP/HT) subsurface conditions found in the Culzean field. Mechanical tests will characterize the properties of the materials; and autoclave corrosion testing will also be conducted, the aim being to select the optimum material and qualify suppliers/manufacturers.

Phil Dent, technical manager at the Exova Corrosion Centre, said: “The Culzean field operating conditions are particularly harsh in terms of corrosion, due to the combination of temperature, pressure, and chloride concentration.”


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