“…In oil pipeline, when the water content is higher than 50%, the corrosion rate is significantly enhanced, and the corrosion form changes from uniform corrosion to local corrosion due to the uneven wetting of crude oil and water. 55 Water solubility increases with higher temperatures and pressures within the studied range. 56 In high water conditions with increased temperature, pressure, CO 2 partial pressure, Ca 2+ , Cl − , and Mg 2+ content, the corrosion products of 20# steel gradually increase.…”