Corrosion and Protection of Oil and Gas Field Materials

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: closed (15 July 2023) | Viewed by 3094

Special Issue Editors


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Guest Editor
School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, China
Interests: degradation of anticorrosion coating; corrosion of materials in petroleum industry; anticorrosion coating in offshore platform; failure analysis on anticorrosion coating; corrosion inhibitor in petroleum industry

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Guest Editor
School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, China
Interests: manufacture and performance of metal coatings; corrosion and cracking of alloys in oil and gas fields; laser cladding

E-Mail Website
Guest Editor
School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, China
Interests: manufacture and performance of metal coatings; corrosion and cracking of alloys in oil and gas fields; laser cladding

Special Issue Information

Dear Colleagues,

In oil and gas exploitation, corrosion attack exists almost in every process of the whole industry. It not only brings about huge economic loss but also threatens safety production. The internal corrosion in the multi-phase fluid of the pipes is mainly electrochemical corrosion in the presence of CO2 and H2S. The corrosion behavior is influenced by environmental factors such as temperature, CO2 partial pressure, acidity, degree of mineralization, the water content in crude oil, flow rate of fluids, presence of solid particles in fluid, H2S concentration, presence of bacteria (SRB), scale on the substrate, and so on. The ordinary anticorrosion measures are material selection and adding corrosion inhibitors. The external corrosion in the petroleum industry is commonly atmospheric corrosion. Coatings and cathodic protection are universally applied as countermeasures. Countless diverse coatings have been developed to alleviate atmospheric corrosion attacks, including metallic, organic, inorganic and composite coating.

The scope of this Special Issue will focus on papers regarding corrosion and protection of oil and gas exploitation, including but not limited to the following topics:

  • Theoretical and experimental research, knowledge and new ideas in corrosion protective and preventive coatings mechanisms;
  • Failure analysis on the degradation of anticorrosion coating;
  • Research on corrosion behavior and mechanism in oil and gas exploitation, processing and transportation;
  • Research on corrosion protection, including corrosion inhibitor and cathodic protection.

Prof. Dr. Hu Wang
Dr. Lijin Dong
Dr. Qinying Wang
Guest Editors

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Keywords

  • anticorrosion coatings used in oil and gas production
  • deposit corrosion in pipelines CO2 and H2S corrosion in oil and gas production
  • corrosion inhibitor in oil and gas production

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Published Papers (2 papers)

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Research

12 pages, 4618 KiB  
Article
Corrosion Performance Analysis of Tubing Materials with Different Cr Contents in the CO2 Flooding Injection–Production Environment
by Xuehui Zhao, Guoping Li, Junlin Liu, Mingxing Li, Quanqing Du and Yan Han
Coatings 2023, 13(10), 1812; https://doi.org/10.3390/coatings13101812 - 23 Oct 2023
Cited by 2 | Viewed by 1389
Abstract
In order to clarify the difference in corrosion performance between low Cr-containing (3Cr, 5Cr, and 9Cr) tubing material and carbon steel N80 in the Carbon dioxide (CO2) flooding injection and production environment and the range of adaptation, corrosion tests and analysis [...] Read more.
In order to clarify the difference in corrosion performance between low Cr-containing (3Cr, 5Cr, and 9Cr) tubing material and carbon steel N80 in the Carbon dioxide (CO2) flooding injection and production environment and the range of adaptation, corrosion tests and analysis were carried out in simulated working conditions. In this paper, the electrochemical potentiodynamic testing technology and the weight loss method were used to comparatively analyze the corrosion performance and variation law of three types of tubing materials with different Cr contents in a simulated CO2 flooding-produced water environment under different partial pressure conditions. Additionally, scanning electron microscopy and Energy Dispersive Spectrometer (EDS) analysis were conducted to examine the surface corrosion morphology characteristics and elemental composition of material films under various conditions. The results indicate that the open circuit potentials of 3Cr, 5Cr, and carbon steel N80 were similar under the same experimental conditions. However, the open circuit potentials of 9Cr were relatively high and there was an obvious passivation zone in anodic polarization. Nevertheless, compared to that of 13Cr, the passivation state was unstable, and pitting corrosion continued to expand once it formed. This demonstrates that the corrosion resistance of the material can be effectively enhanced and a stable passivation state can be achieved in the anodic polarization region when the Cr content of the material reaches at least 13%. The service life of materials can be predicted based on their corrosion rate under high temperature and pressure simulation environments. We found that 9Cr materials exhibited good adaptability while 3Cr and 5Cr materials showed poor adaptability. Therefore, it was not recommended to use 3Cr and 5Cr materials. Therefore, 3Cr, 5Cr, and N80 materials will be used at lower partial pressure levels of CO2 (<0.2 MPa). Full article
(This article belongs to the Special Issue Corrosion and Protection of Oil and Gas Field Materials)
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13 pages, 6931 KiB  
Article
Corrosion Behavior of Tubing in High-Salinity Formation Water Environment Containing H2S/CO2 in Yingzhong Block
by Xuehui Zhao, Junlin Liu, Baisheng Yao, Cheng Li, Xue Xia and Anqing Fu
Coatings 2023, 13(8), 1342; https://doi.org/10.3390/coatings13081342 - 30 Jul 2023
Cited by 1 | Viewed by 1293
Abstract
To clarify the corrosion behavior of P110SS material under the synergistic action of multiple factors such as a CO2/H2S coexistence environment, a high temperature, and high-salinity formation water, a series of simulation tests and analyses were carried out in [...] Read more.
To clarify the corrosion behavior of P110SS material under the synergistic action of multiple factors such as a CO2/H2S coexistence environment, a high temperature, and high-salinity formation water, a series of simulation tests and analyses were carried out in this paper. High-temperature high-pressure autoclaves, scanning electron microscopy, and a three-dimensional microscope were used to analyze and evaluate the changing trend of the corrosion performance of P110SS tubing material under different temperatures and a H2S/CO2 partial pressure ratio in a high-salinity formation water environment, and the corrosion cracking sensitivity and pitting sensitivity of the material with stress were compared and analyzed. The results indicate that the average corrosion rate of P110SS material without stress increases with the rising test temperature, and the corrosion damage worsens with an increase in the H2S: CO2 partial pressure ratio. The highest corrosion rate for P110SS material is 0.99 mm/a. When the test temperature varies from 80 °C to 180 °C and PH2S:PCO2 = 0.53:0.17, the P110SS material with a loading stress of 85% YSmin is not susceptible to stress corrosion cracking (SCC). Although surface pitting nucleation is evident at a high temperature of 180 °C, no expansion-induced cracking or fracture phenomena occur. Full article
(This article belongs to the Special Issue Corrosion and Protection of Oil and Gas Field Materials)
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