SYMPOSIA PAPER Published: 01 January 1986

Oil Production Corrosion Inhibitor Optimization by Laboratory and Field Application of Electrochemical Techniques


A multifaceted approach was used to address the corrosion inhibition program in Esso Resources Canada Limited's Redwater field. In the laboratory, inhibitor performance was measured by linear polarization and film persistency wheel tests. Both techniques produced similar inhibitor ranking, although the percent protection results were consistently higher for the linear polarization technique. In the field, corrosion rates were monitored by several devices. Metal loss measurements from flush strip electrical resistance probes best correlated to weight-loss coupons, although the instrument's calculated corrosion rates did not agree with the indicated metal loss. Inhibitor and tracer concentrations were monitored during batch-circulation well treatments to improve application efficiency. The concentration measurements showed that circulation time is the controlling factor in effectively batch-treating wells that have high annular fluid levels. The foregoing investigations, which provided vital information for corrosion control in a specific field, also point the way to improvements in corrosion inhibition technology.

Author Information

Cameron, GR
Esso Resources Canada Limited, Calgary, AB, Canada
Coker, LG
Exxon Chemical Co., Houston, TX
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Developed by Committee: G01
Pages: 251–265
DOI: 10.1520/STP17450S
ISBN-EB: 978-0-8031-4974-8
ISBN-13: 978-0-8031-0471-6