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Vallourec combines sealing performance and extreme conditions.
Is it possible to perform leak tests by using less resources, while preserving the representativeness of the operation of the products? This is the question that Vallourec, a specialist in seamless tubes for the oil and gas industry, asked Cetim’s experts, by commissioning them to prove the feasibility of leak tests on a reduced portion (the connection area) of its Oil country tubular goods (OCTG).
First of all, the combined work of Vallourec and Cetim helped to improve the initial design of the test specimens. Secondly, Cetim developed and manufactured the supports used to accurately measure the leak tightness of these test specimens for extreme conditions: compressive stresses of up to 1 GPa, fluid pressure levels up to 1000 bar and temperatures ranging up to 150°C. In the end the feasibility of the tests on reduced-sized specimens was demonstrated and the sealing performance of OCTG connections was determined.
Read the full reference sheet “Sealing performance in extreme conditions” on our website, “References” section.
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