Electrochemical noise monitoring of corrosion in natural gas production plants
- Rocky Mountain Oil Testfield Center
- Intercorr International Inc.
A test spool containing two sets of sensors has been inserted in a high pressure environment of a natural gas production plant. The two flange-type sensors are configured so that moisture was more likely to accumulate at one than the other. Electrochemical noise (EN), linear polarization resistance (LPR), and harmonic distortion analysis (HDA) are used in combination to monitor the corrosion occurring in the plant. The 100-day corrosion data for the vertical and horizontal sensors show that corrosion rates were low and averaged {approx}0.0055 mm/yr. The measured B values were 0.035 V for the vertical sensor and 0.033V for the horizontal sensor, higher than the typical assume value of 0.026 V. The pitting factors were similar between the two sensors except that the vertical set had a prolonged higher pitting factor of 0.1 at the initiation of the test.
- Research Organization:
- Albany Research Center (ARC), Albany, OR
- Sponsoring Organization:
- USDOE - Office of Fossil Energy (FE)
- OSTI ID:
- 899600
- Report Number(s):
- DOE/ARc-2005-030
- Country of Publication:
- United States
- Language:
- English
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