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Metals
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Corrosion Detection and Protection of Steel Pipelines
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Corrosion Detection and Protection of Steel Pipelines

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Corrosion and Protection".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 7963

Special Issue Editor

Dr. Wanying Liu

E-Mail Website
Guest Editor
1. School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
2. School of Materials Science and Engineering, Sichuan University, Chengdu 610065, China
Interests: material corrosion and protection; material surface engineering technology; material failure analysis; corrosion inhibitor synthesis and performance evaluation; oil and gas string materials; wellbore integrity

Special Issue Information

Dear Colleagues,

Steel pipelines used in oil and gas exploration, marine development, gathering and transportation pipelines and other fields are corroded due to the influence of corrosive environments and operating conditions. Corrosion damage causes huge economic losses in itself, in addition to the losses brought by the shutdown of production due to corrosion. Therefore, the causes, the laws and behaviors of corrosion should be determined, and the corrosion mechanisms clarified. It is of great significance to take effective protective measures to prevent corrosion damage, prolong equipment life, reduce costs, and ensure production safety. There are two types of corrosion in steel pipelines: chemical corrosion and electrochemical corrosion. Therefore, it is necessary to conduct research on the detection and protective treatment of steel pipelines against both types of corrosion, and the main topics include electrochemical corrosion mechanisms; corrosion monitoring and detection theory and technology; chemical/electrochemical protective film/layer technology and theory; corrosion law and protection technology of steel pipelines in typical natural environments; mechanical-chemical corrosion and protection; surface science and engineering technology; and testing strategies such as visual inspection, penetration testing, infrared thermal imaging, pulsed eddy current, X-ray imaging, ultrasonic guided wave, metal potential difference method, etc. Meanwhile, corresponding corrosion protection measures should be developed. These include improving the nature of the metal, surface treatments (chemical/electrochemical protective film/layer technology, phosphating treatment, oxidation treatment, non-metallic coatings, metal protective layers, surface protection and functionalized coatings, etc.), and electrochemical protection strategies such as cathodic protection and anodic protection, and the addition of corrosion inhibitors.

In this Special Issue, we welcome articles that focus on the detection of and protection against corrosion in steel pipeline materials. High-precision corrosion detection technology and devices, as well as effective and economical corrosion protection methods, have high value and implementation potential in steel pipeline applications, and can help to ensure the safety of production operations.

Dr. Wanying Liu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • steel pipelines
  • corrosion detection
  • corrosion protection
  • surface treatment engineering technology
  • electrochemical corrosion
  • mechanical-chemical corrosion
  • electrochemical protection
  • corrosion inhibitor

Published Papers (4 papers)

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Research

14 pages, 5785 KiB  
Article
Effects of the Volume Fraction of the Secondary Phase after Solution Annealing on Electrochemical Properties of Super Duplex Stainless Steel UNS S32750
by Dohyung Kim, Wonsub Chung and Byung-Hyun Shin
Metals 2023, 13(5), 957; https://doi.org/10.3390/met13050957 - 15 May 2023
Cited by 6 | Viewed by 1352
Abstract
Super duplex stainless steel (SDSS) is used for manufacturing large valves and pipes in offshore plants because of its excellent strength and corrosion resistance. Large valves and pipes are manufactured by forging after casting, and the outside and inside microstructures are different owing [...] Read more.
Super duplex stainless steel (SDSS) is used for manufacturing large valves and pipes in offshore plants because of its excellent strength and corrosion resistance. Large valves and pipes are manufactured by forging after casting, and the outside and inside microstructures are different owing to the difference in the cooling rate caused by the thermal conductivity. This microstructural variation causes cracks during solution annealing, which breaks the materials. To study the corrosion resistance of the SDSS forged material, the influence of the microstructure according to the difference between the inside and outside cooling rates of the cast SDSS was evaluated. To analyze the effects of the secondary phase fraction before solution annealing on the solution and corrosion resistance, the corrosion resistance with and without solution annealing was measured using the potentiodynamic polarization test and critical temperature test after the precipitation of the secondary phase. In the potentiodynamic polarization test, the secondary phase decreased the activation polarization and increased the corrosion rate. The critical pitting temperature exhibited the effect of the secondary phase. Full article
(This article belongs to the Special Issue Corrosion Detection and Protection of Steel Pipelines)
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17 pages, 11554 KiB  
Article
Study on Fracture Failure Behavior of Super 13Cr Tubing Caused by Deposited Corrosion
by You Wu, Jian Ding, Zhi Zhang, Yuanjin Zhao and Nan Cai
Metals 2023, 13(3), 498; https://doi.org/10.3390/met13030498 - 1 Mar 2023
Cited by 2 | Viewed by 1777
Abstract
Fracture failure of super 13Cr can occur in complex and harsh environments such as high temperature, high pressure, and corrosive gas wells, which damages the economic benefit of oil and gas development and also poses a great threat to wellbore integrity. Therefore, it [...] Read more.
Fracture failure of super 13Cr can occur in complex and harsh environments such as high temperature, high pressure, and corrosive gas wells, which damages the economic benefit of oil and gas development and also poses a great threat to wellbore integrity. Therefore, it is urgent to study the corrosion mechanism of super 13Cr tubing in oil and gas wells, and this study performed an on-site experimental analysis on failed super 13Cr tubing, employing the microarea electrochemical scanning Kelvin probe (SKP) method to investigate the causes of corrosion of super 13Cr material. In addition, the thermodynamics of the mechanism by which pits turn into cracks was examined in light of the experimental findings on the nucleation and development of pitting corrosion. The findings reveal scale and clear pits on the surface of the failed super 13Cr tubing and that CaCO3 as well as FeCO3 are the scale’s primary constituents. According to the SKP scan results, the super 13Cr tubing has a risk of pitting under wells, and the galvanic cell with microcorrosion is the primary cause of pitting corrosion, which also shows that the potential difference between the anode area and the cathode area of the super 13Cr material gradually increases with the increase in immersion time. Under the autocatalytic effect of the occlusive corrosion cell and the applied load, the corrosion pits and cracks of super 13Cr tubing propagate, eventually leading to tubing breaks and failure. Full article
(This article belongs to the Special Issue Corrosion Detection and Protection of Steel Pipelines)
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12 pages, 16644 KiB  
Article
Effect of Temperature on Corrosion Behavior and Mechanism of S135 and G105 Steels in CO2/H2S Coexisting System
by Kechao Gao, Suogui Shang, Zhi Zhang, Qiangyong Gao, Jinxin Ma and Wanying Liu
Metals 2022, 12(11), 1848; https://doi.org/10.3390/met12111848 - 29 Oct 2022
Cited by 4 | Viewed by 2790
Abstract
The corrosive environment of oilfield condensate water was simulated at different temperatures with CO2/H2S. Weight-loss corrosion tests were conducted on S135 and G105 steels at different temperatures. The corrosion rates of the S135 and G105 were measured at room [...] Read more.
The corrosive environment of oilfield condensate water was simulated at different temperatures with CO2/H2S. Weight-loss corrosion tests were conducted on S135 and G105 steels at different temperatures. The corrosion rates of the S135 and G105 were measured at room temperature, 100 °C and 180 °C. The phase structure of the corrosion products and the corrosion morphologies of the samples were characterized. The results show that the corrosion rates of the S135 and G105 increased at first and then decreased with the increase in temperature. The corrosion rates peaked at 100 °C, reaching 0.8463 mm/y and 0.8500 mm/y, respectively. CO2 was the main controlling factor in the corrosion. The corrosion products were FeS and FeCO3. The corrosion rate at room temperature was lower than that at 100 °C. The corrosion rate at the temperature of 180 °C was the lowest. The corrosion rates of the S135 and G105 were 0.2291 mm/y and 0.2309 mm/y, respectively. CO2 was not the main controlling factor in the corrosion. The corrosion product was FeS. High temperatures aggravated the carbon-steel corrosion further in the environment with the high concentration of CO2 and a loose corrosion-product film formed. The dense and uniform FeS corrosives formed and attached to the surface of the substrate, and inhibited corrosion. Dense and uniform FeS products formed on the surface of the steel with the increase in temperature. A small amount of H2S inhibited the progress of the corrosion. Full article
(This article belongs to the Special Issue Corrosion Detection and Protection of Steel Pipelines)
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11 pages, 3074 KiB  
Article
Effect of Chloride and Iodide on the Corrosion Behavior of 13Cr Stainless Steel
by Wanying Liu, Hong Yang, Xiaopeng Li, Zhi Zhang, Yuanhua Lin and Kuanhai Deng
Metals 2022, 12(11), 1833; https://doi.org/10.3390/met12111833 - 28 Oct 2022
Cited by 3 | Viewed by 1546
Abstract
The corrosion behavior and mechanism of 13Cr stainless steel in the solution with 1 mol/L NaCl and 5 mmol/L KI were investigated by weight loss method, scanning electrochemical microscopy (SECM), the phase analysis (XRD) of inclusions, and surface analysis technique (SEM and EDS). [...] Read more.
The corrosion behavior and mechanism of 13Cr stainless steel in the solution with 1 mol/L NaCl and 5 mmol/L KI were investigated by weight loss method, scanning electrochemical microscopy (SECM), the phase analysis (XRD) of inclusions, and surface analysis technique (SEM and EDS). Results showed that the corrosion rate was a linear relationship with the time and Cl− concentration. The corrosion became serious with the increase in time and Cl− concentration. The corrosion occurred in the unstable electroactive points that contained aluminum oxide and metallic phase inclusions. The generation and disappearance of the electroactive points simultaneously occurred with the corrosion. The active dissolved level on different areas of the surface of 13Cr stainless-steel sample was different. The oxidation current peak of the sample presented the strip shape. The corrosion dissolution was mainly caused by aluminum oxide inclusions (Al2O3) and FeAl phase. Full article
(This article belongs to the Special Issue Corrosion Detection and Protection of Steel Pipelines)
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