The Yumna-5 well will be drilled at the crest of the structure to drain attic oil left unswept by current producers as part of a multi-well programme, which also includes the work-over of two existing production wells, Yumna-2 and Yumna-3.
Masirah Oil will provide updates upon the completion of the of the drilling campaign, which will take about 90 days.
Shares in Rex International Closed 0.6 cents higher or 4.84% up at 13 cents on March 28.