MRC is Purchasing a New Oil Blending Unit. By shyrine on 12th May 2011 in Iraq Oil & Gas News, Tenders Midland Refineries Co (MRC) intends to install an automatic in-line lube oil blending unit of 40m3/hr capacity at its Daura Refinery. The unit shall be designed to produce five types of finished lube oils. Closing date is June 6, 2011. Please click on this link to obtain biddings conditions. Related posts: No related posts.