It said the Basement test flowed oil at a stabilised rate of 5,800 bopd under electrical submersible pump and at 2,800 bopd under natural flow conditions.
The Kholan program comprises two tests. The first, DST#2A, will test the lower section of the Kholan dolomite over the interval 2,619-2,636 metres.
The upper section of the Kholan dolomite will then be perforated and DST#2B will test both the lower and upper sections over the intervals 2,619-2,636 metres and 2,603-2,614 metres within the Kholan dolomite.
Nabrajah-5 is a deviated well with a top Qishn S2 target location approximately 1,100 metres south of Nabrajah-4.
participants in the Nabrajah-5 well are DNO ASA 56.67% (operator), Oil Search (Yemen) Limited 28.33%, The Yemen Company 15%.