Umm Shaif field is located in the Abu Dhabi offshore areas, about 20 miles north-east of Das island. The picture below shows "ADMA Enterprise" at Umm Shaif One. Drilling started on January 14th, 1958 for this first wildcat well; oil was found there at about 5,500 feet
in Thamama Zone I, i.e. in "the Lower Cretaceous Shuaiba
Limestone" on March 28th, 1958. Though the results of Well No. 2 were disappointing , Well No. 3 was completed after finding oil at about 9,600
feet in the Arab Fm.
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