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Vtorenko E.A.
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ea_vtorenko@bnipi.rosneft.ru |
“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
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Valekzhanin I.V.
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“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
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Latypov O.A.
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“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
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Khakimov A.M.
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“RN-BashNIPIneft” LLC (“Rosneft” PJSC Group Company) Ufa |
DOI: 10.24412/2076-6785-2024-4-40-44
Abstract
Corrosion (spontaneous destruction) of metals occurs as a result of the transition of their constituent elements into a state of connection with environmental substances. Corrosion is a serious problem that entails significant economic losses and requires constant attention and research to develop effective methods to combat it. According to Rosneft, in 2023, failures of pumping and compressor equipment due to corrosion occupy the 2nd place after failures associated with the accumulation of mechanical impurities in the extracted products. To reduce the negative impact of the corrosive environment, it is necessary to determine the exact corrosion rates. The article proposes a new method for installing witness samples, which allows taking into account the kinetic features of corrosion on deep-pumping equipment. Using a practical example, the importance of determining the rate of local corrosion is considered and methods for measuring the depths of local damage are proposed.
Materials and methods
Statistical data on failures of deep-pumping equipment, gravimetric method for measuring corrosion rate, double focusing method.
Keywords
complications in oil production, corrosion, corrosion monitoring, local corrosion, tubing, corrosion witness samples, corrosion consumption
