Mubadala to pick up stake in Tamar field Apr 26, 2021 9:10:am Summary Delek Drilling has signed a memorandum of understanding with Mubadala Petroleum for the sale of its 22% non-operated stake in the Tamar gas field. by: Shardul Sharma Posted in: Mubadala to pick up stake in Tamar field Delek Drilling has signed a memorandum of understanding with Abu Dhabi-based Mubadala Petroleum for the sale of its 22% non-operated stake in the Tamar gas field offshore Israel, it said on April 26. If finalised, the transaction will be the largest commercial agreement following the Abraham Accords and full normalisation between the UAE and Israel, signed in August last year, Delek said.