Experimental Evaluation of Anticorrosion of a Standard 20# Gathering Pipeline by Injecting Oxygen-Reduced Air into Simulated In-Service Wells
Ziming Hu,
Kun Xue,
Baocheng Shi
et al.
Abstract:Oxygen-reduced
air flooding (ORAF) can effectively improve oil recovery in low-permeability
reservoirs, but oxygen corrosion and CO2 corrosion in downstream
gathering pipelines are inevitable due to the existence of oxygen,
which limits the popularization and application of ORAF. In this paper,
research on the corrosion inhibitor is carried out for the gathering
pipeline of an oilfield with ORAF in China. Under the conditions of
a simulated onsite gathering pipeline, 6 kinds of anti-CO2 corrosion inhibitors an… Show more
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