CO2 corrosion prediction plate establishing method considering multiple factors
A technology for establishing methods and predicting graphs, applied in design optimization/simulation, etc., can solve problems such as corrosion
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[0036] Simulate the actual working conditions of the XX oilfield and draw the corrosion prediction chart for the D-grade steel bar. The working conditions are as follows: wellbore temperature (60℃~120℃), CO 2 Partial pressure (0.1MPa~0.3MPa), chloride ion concentration (1000ppm~3000ppm), the specific implementation steps are as follows:
[0037] Step 1: Determine the parameter range of various influencing factors according to the actual working conditions of XX oilfield, among which the temperature parameters are 60℃, 75℃, 90℃, 105℃, 120℃, CO 2 The partial pressure parameters are 0.1MPa, 0.2MP, 0.3MPa and the chloride ion concentration parameters are 1000ppm, 2000ppm, 3000ppm;
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