North Sea: 20'' oil export pipeline cleaning Cleaning of a 20'' oil export pipeline over 28km prior in-line inspection. The aim was to remove wax, corrosion products and up to 6mm thick scale. … Read more Posted by EditorRHC | Tags: pipecleaning, Pipelines International, inline inspection, inspection, mechanical cleaning, cleaning, hmc, hydromechanical cleaning, rhc, reinhart hydrocleaning sa, RHC SA | Jun 30, 2016