Autoclave charging for corrosion testing

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Autoclave charging for corrosion testing

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In oil and gas production, is it common to find water present in the production fluid. The presence of an aqueous phase induces the severe corrosion attack and damage of the metals downhole, especially in sour gas and in highly “water cut” oil wells. Materials that are going to operate in these H2S, CO2, and Cl- content environments need to go under rigorous corrosion testing. The most important parameters to control in corrosion testing are partial pressure of the reactive gas, temperature, and the chloride content. Some corrosion testing is performed under deaerated conditions, before H2S is added, in order to prevent the formation of elemental sulfur from the reaction between oxygen and H2S. Different standards for corrosion testing have been developed depending upon the conditions found in the location of the production site

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