Abstract

Seal damage and observed gas leaks into the atmosphere caused by rapid gas decompression (RGD) in elastomeric seals have been reported in many types of equipment used in the oil and gas industry. These failures can have costly financial, safety and environmental implications for operators and equipment suppliers. This article looks at RGD in general and the implications of Norsok standards, developed by the Norwegian petroleum industry, for RGD testing and sour gas ageing of elastomers and thermoplastics.

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