MAINTENANCE SCHEDULER, VETCO SAUDI ARABIA LTD.seconded to SAMAREC RIYADH REFINERY, REFINERY TURN AROUND MAINTANCE PROJECT START Date Wed, 05/01/1991 - 02:00 END Date Fri, 11/01/1991 - 01:00 Read more about MAINTENANCE SCHEDULER, VETCO SAUDI ARABIA LTD.seconded to SAMAREC RIYADH REFINERY, REFINERY TURN AROUND MAINTANCE PROJECT