Erosion-corrosion of carbon steel in crude oil: Velocity effects on the erosion-corrosion map

Ghaith Abdulrahman, Margaret Stack

Research output: Contribution to conferencePaper

Abstract

In this work, the effects of erosion-corrosion on carbon steel in two environments, crude oil and crude oil/ 20% water environments containing Al2O3 particles were investigated using an impinging erosion test rig, at two velocities and at a range of impact angles and applied potentials. The results indicated that the corrosion contribution increased with an increase in the percentage of reservoir water. It was observed that the erosion rate changed as a function of impact angle and applied potential and depended on the nature of the corrosion product formed on the surface and the presence of the oil film. Furthermore, increases in velocity altered the erosion-corrosion mechanism significantly. Mechanisms of erosion-corrosion were proposed based on the laboratory studies. The results were used to construct erosion–corrosion maps showing mechanistic interactions, as a function of impact angle and electrochemical potential, at the various exposure velocities.
LanguageEnglish
Number of pages21
Publication statusPublished - 20 Nov 2012
Event12th Mediterranean Petroleum Conference & Exhibition, MPC 2012 - Tripoli, Libya
Duration: 20 Nov 201222 Nov 2012

Conference

Conference12th Mediterranean Petroleum Conference & Exhibition, MPC 2012
CountryLibya
CityTripoli
Period20/11/1222/11/12

Fingerprint

Petroleum
Carbon steel
Erosion
Crude oil
Corrosion
Oils
Water

Keywords

  • erosion-corrosion
  • carbon steel
  • crude oil
  • erosion-corrosion maps

Cite this

Abdulrahman, G., & Stack, M. (2012). Erosion-corrosion of carbon steel in crude oil: Velocity effects on the erosion-corrosion map. Paper presented at 12th Mediterranean Petroleum Conference & Exhibition, MPC 2012, Tripoli, Libya.
Abdulrahman, Ghaith ; Stack, Margaret. / Erosion-corrosion of carbon steel in crude oil : Velocity effects on the erosion-corrosion map. Paper presented at 12th Mediterranean Petroleum Conference & Exhibition, MPC 2012, Tripoli, Libya.21 p.
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Abdulrahman, G & Stack, M 2012, 'Erosion-corrosion of carbon steel in crude oil: Velocity effects on the erosion-corrosion map' Paper presented at 12th Mediterranean Petroleum Conference & Exhibition, MPC 2012, Tripoli, Libya, 20/11/12 - 22/11/12, .

Erosion-corrosion of carbon steel in crude oil : Velocity effects on the erosion-corrosion map. / Abdulrahman, Ghaith; Stack, Margaret.

2012. Paper presented at 12th Mediterranean Petroleum Conference & Exhibition, MPC 2012, Tripoli, Libya.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Erosion-corrosion of carbon steel in crude oil

T2 - Velocity effects on the erosion-corrosion map

AU - Abdulrahman, Ghaith

AU - Stack, Margaret

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AB - In this work, the effects of erosion-corrosion on carbon steel in two environments, crude oil and crude oil/ 20% water environments containing Al2O3 particles were investigated using an impinging erosion test rig, at two velocities and at a range of impact angles and applied potentials. The results indicated that the corrosion contribution increased with an increase in the percentage of reservoir water. It was observed that the erosion rate changed as a function of impact angle and applied potential and depended on the nature of the corrosion product formed on the surface and the presence of the oil film. Furthermore, increases in velocity altered the erosion-corrosion mechanism significantly. Mechanisms of erosion-corrosion were proposed based on the laboratory studies. The results were used to construct erosion–corrosion maps showing mechanistic interactions, as a function of impact angle and electrochemical potential, at the various exposure velocities.

KW - erosion-corrosion

KW - carbon steel

KW - crude oil

KW - erosion-corrosion maps

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M3 - Paper

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Abdulrahman G, Stack M. Erosion-corrosion of carbon steel in crude oil: Velocity effects on the erosion-corrosion map. 2012. Paper presented at 12th Mediterranean Petroleum Conference & Exhibition, MPC 2012, Tripoli, Libya.