A synergistic effect of dissolved oxygen, $$HCO_3^-$$, and Cl− on the electrochemical corrosion behavior of X70 pipeline steel in the oilfield soil environment

Xie, Fei; Wang, Zeqi; Wang, Dan; Su, Yin

doi:10.1007/s00339-020-03792-z

Cited by 18 publications

(8 citation statements)

References 28 publications

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“…Liu et al found that the severity of stainless-steel corrosion varies with the chloride concentration through corrosion exposure experiments, and the corrosion potential has a linear relationship with the logarithm of the chloride concentration [ 78 ]. The higher the chloride concentration in the soil, the more corrosive the soil, which has been confirmed in many studies [ 11 , 54 , 79 , 80 , 81 ]. Karimian et al found that

in the soil can be used as a catalyst to participate in the oxidation of iron and promote the corrosion process [ 82 ].…”

Section: The Formation Mechanism and Influencing Factors Of Soil Corrosionmentioning

confidence: 55%

“…In addition, during the burying of the grounding grid, if there are debris, construction waste, and other debris in the backfilled soil, due to the difference in the permeability of the local medium, oxygen-poor and oxygen-rich areas will also be formed. The part with low oxygen concentration becomes an anode to accelerate corrosion [ 54 ]. Due to the high corrosion current density of the oxygen concentration cell, strong local corrosion occurs on the surface of the anode area.…”

Section: The Formation Mechanism and Influencing Factors Of Soil Corrosionmentioning

confidence: 99%

“…

has an important influence on the corrosion of carbon steel.

can generate

with

and combine with the sand in the soil to form a strong protective layer, which effectively inhibits the anodic process of corrosion and slows down the corrosion of carbon steel [ 11 , 54 , 80 ]. The cations such as

, and

in the soil mainly play a conductive role and do not directly affect the electrode process of soil corrosion, so they have little effect on soil corrosion.…”

Section: The Formation Mechanism and Influencing Factors Of Soil Corrosionmentioning

confidence: 99%

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Research Advances of Soil Corrosion of Grounding Grids

Zhang

Liao²,

Xue

et al. 2021

Micromachines

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A grounding grid plays the role of discharging current and balancing voltage to ensure the safety of the power system. However, soil corrosion can damage the grounding grid, which then can endanger the safe operation of power system. This paper reviewed recent research advances of soil corrosion of grounding grid. The cause, mechanism, types, and influencing factors of soil corrosion of grounding grids were summarized, and the corresponding detection technology and protective measures were also introduced. The paper pointed out that soil corrosion is a serious threat to the grounding grid system. Moreover, the impact mechanism of AC stray current, new corrosion detection technology, and better protective measures still need in-depth research.

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in the soil can be used as a catalyst to participate in the oxidation of iron and promote the corrosion process [ 82 ].…”

Section: The Formation Mechanism and Influencing Factors Of Soil Corrosionmentioning

confidence: 55%

Section: The Formation Mechanism and Influencing Factors Of Soil Corrosionmentioning

confidence: 99%

“…

has an important influence on the corrosion of carbon steel.

can generate

with

, and

in the soil mainly play a conductive role and do not directly affect the electrode process of soil corrosion, so they have little effect on soil corrosion.…”

Section: The Formation Mechanism and Influencing Factors Of Soil Corrosionmentioning

confidence: 99%

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Research Advances of Soil Corrosion of Grounding Grids

Zhang

Liao²,

Xue

et al. 2021

Micromachines

View full text Add to dashboard Cite

show abstract

“…The corrosion of the grounding grid under real working conditions has attracted more and more attention since it is crucially important for the safety of a power substation. Several works have reported the effects of sulphate-reducing bacteria (SRB) [1,2], soil resistivity [3,4], the concentration of dissolved oxygen [5,6] and soluble salt ions on the corrosion of metals [7,8]. In addition, AC that passes through the grounding grid also causes serious corrosion of the joints and defects in materials [9].…”

Section: Introductionmentioning

confidence: 99%

Galvanic Effect and Alternating Current Corrosion of Steel in Acidic Red Soil

Wang

Gao

Dai

et al. 2022

Metals

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Alternating current (AC) corrosion behavior of carbon steel–copper couple in acidic red soil was studied by means of the electrochemical test, mass loss, X-ray diffraction (XRD) and scanning electron microscope (SEM) characterization. Mathematical models were established to expound the impacts of AC and galvanic effect on the corrosion mechanism. The results demonstrate that the corrosion rate of the galvanic couple is positively related to AC intensity. Galvanic effect and AC synergistically aggravate the corrosion of steel. The composition of α-FeOOH declines while γ-FeOOH is increased with AC interference. Based on the statistical model, the galvanic effect has a more significant influence on steel corrosion compared with AC.

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“…Generally, they not only have to transfer huge bit weights and withstand great torsional stress, but they also suffer from erosion, corrosion, and wear during the work process [ 4 , 5 , 6 ]. Drilling fluid could cause the significant erosion and corrosion of a drill pipe, especially saturated saltwater, which is usually applied as drilling fluid in permafrost and salt rock drilling [ 1 , 7 , 8 , 9 , 10 , 11 ]. Moreover, the diameter of the pipe joint is usually larger than that of the drill pipe, resulting in significant wear.…”

Section: Introductionmentioning

confidence: 99%

Corrosion and Wear Behavior of WC–10Co4Cr Coating under Saturated Salt Drilling Fluid

et al. 2021

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Coating on the surface is one of the main ways to improve the corrosion resistance and wear resistance of materials. In this work, the corrosion, erosion, and wear resistance of WC–10Co4Cr coating and 27CrMoV substrate were compared by simulating the actual working conditions of the drill pipe. The simulation results show that the most serious corrosion occurred at the pipe body and the dominating erosion arose at the pipe joint closing to the inlet of the flow field. WC–10Co4Cr coating has excellent protection to 27CrMoV substrate, resulting in a 400 mV increase in corrosion potential, a two-orders-of-magnitude decrease in the corrosion current, and four times the improvement of the impedance value. The erosion resistance of the WC–10Co4Cr coating increased to more than 30% higher than that of the 27CrMoV substrate. The friction coefficient of the WC–10Co4Cr coating was much lower than that of the 27CrMoV substrate, and the wear resistance of the coating was higher than that of the substrate.

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A synergistic effect of dissolved oxygen, $$HCO_3^-$$, and Cl− on the electrochemical corrosion behavior of X70 pipeline steel in the oilfield soil environment

Cited by 18 publications

References 28 publications

Research Advances of Soil Corrosion of Grounding Grids

Research Advances of Soil Corrosion of Grounding Grids

Galvanic Effect and Alternating Current Corrosion of Steel in Acidic Red Soil

Corrosion and Wear Behavior of WC–10Co4Cr Coating under Saturated Salt Drilling Fluid

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