Method of Controlling Electrochemical Parameters of Oil Industry Processing Liquids

Latypov, O. R.; Бугай, Д. Е.; Boev, E. V.

doi:10.1007/s10556-015-0038-8

Cited by 30 publications

(7 citation statements)

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“…As is known, the corrosion protection of an oil pipeline depends largely on the value of the polarization potential of its surface, which, in turn, determines the kinetics of electrode reactions in soil electrolytes [1][2][3][4][5][6][7][8][9][10][11][12]. The cathodic protection method ensures a drastic decrease in the corrosion rate of the pipeline metal due to turning the protected surface into a non-destructive cathode.…”

Section: Introductionmentioning

confidence: 99%

Cathodic protection of main oil pipeline

Skuridin

Tyusenkov

Бугай

2022

J. Phys.: Conf. Ser.

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Corrosion damage to metal is one of the main factors that reduce the safety of operation of main pipelines. It is known that about 70 % of pipeline failures occur due to metal corrosion. Electrochemical protection in combination with non-metallic coatings is currently the main method to prevent aggressive effects of corrosive media on main pipelines. The use of these methods of protecting pipelines has a number of difficulties that can be associated with the use of several protective coatings of different types and conditions on one oil pipeline; use of cathodic stations of different design and efficiency; Lack of a system to monitor electrochemical protection objects; difficulties arising during operation of anode grounding electrodes and comparison electrodes. Under these conditions, bringing the technical condition of the anti-corrosion protection system of the main oil pipelines to the level corresponding to the modern requirement of industrial safety is an important task that allows improving the safety and reliability of pipeline transport facilities. The article provides an analysis of the operation of cathodic protection units of the Kaltasy-Yazykovo main oil pipeline and the results of calculations on optimizing the modes of the cathode stations.

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Section: Introductionmentioning

confidence: 99%

Cathodic protection of main oil pipeline

Skuridin

Tyusenkov

Бугай

2022

J. Phys.: Conf. Ser.

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“…This layer is subject to significant damage due to pitting corrosion. During the processing of high-sulfur oil, chlorine ions Cland thiosulfate ions S2O3 2can stimulate the destruction of the metal, forming deep ulcers and pittings in some areas, which provoke further destruction of the apparatus due to the ulcer corrosion of the body made of carbon steel [3,4]. It was noticed that the pitting corrosion in aggressive media takes place in conjunction with the process of decarburization of the body of the apparatus made of carbon steel, which can lead to a loss of structural strength of the column.…”

Section: Introductionmentioning

confidence: 99%

Method of investigation of local corrosion processes on samples from clad steel

Латыпова

Latypov

2021

E3S Web of Conf.

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The article describes a method developed to evaluate the mechanism of local corrosion processes on the surface of a clad layer of steel specimens, which makes it possible to identify the difference in electrode potentials in artificially created holes. As a result of the study it was found that in a corrosive medium containing Cl- and S2O32- ions, the diffusion of oxidants into a hole of smaller diameter is difficult, which causes a large potential difference between the wall of the hole and its bottom. This process contributes to the development of local electrochemical corrosion.

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“…Metal corrosion caused by the presence of H2S and CO2 is a major problem in oil and gas production. Using corrosion-resistant alloys reduces the risk of equipment failure due to corrosion, but using carbon and low-alloy steel in the oil and gas industry remains more economically sound [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Investigating the influence of temperature on the selection of criteria for evaluating the propensity of tube steels to corrosion cracking at low loading speeds

et al. 2021

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The paper studies how temperature within the range of 20-80°C influences the destruction of tube steels in environments containing hydrogen sulfide and carbon dioxide. The tensile tests diagrams of tube steels with increasing temperature in hydrogen sulfide and carbon dioxide are analyzed. It is shown that increasing temperature affects the tendency of tube steels towards corrosion cracking. The criterion for evaluating the tendency towards corrosion cracking at increasing temperature does not change qualitatively and represents stress and relative deformation observed when a specimen is destroyed.

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Method of Controlling Electrochemical Parameters of Oil Industry Processing Liquids

Cited by 30 publications

References 0 publications

Cathodic protection of main oil pipeline

Cathodic protection of main oil pipeline

Method of investigation of local corrosion processes on samples from clad steel

Investigating the influence of temperature on the selection of criteria for evaluating the propensity of tube steels to corrosion cracking at low loading speeds

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