June
7, 2011
OSLO, — DNO International ASA, Oslo,
has gauged a flow of 4 MMscfd of gas through a
24/64-in. choke on an open hole test after drilling
25 m into the Cretaceous interval at the Summail-1
exploratory well on the Dohuk license in Iraqi
Kurdistan.
Drilling will continue through the entire Cretaceous
section, estimated to be 800 m thick, and testing
will be undertaken as required. DNO will then set
casing and drill into the Jurassic and Triassic
intervals.
Meanwhile, on the Erbil license, test production at
the Bastora-1A horizontal sidetrack has stabilized
at 1,700-1,800 b/d compared with early rates of
2,000-2,300 b/d of 18-19° gravity oil on a downhole
jet pump. Produced crude is trucked to Tawke oil
field facilities on the Tawke license, which DNO
operates with 55% interest.
The 600-m horizontal section was drilled through one
of the oil-filled carbonate zones with the
objectives of penetrating multiple fracture systems
to enhance productivity and furthermore enabling the
well to be used in an early production concept.
Flow-tests will continue in order to acquire more
production and reservoir information that will serve
as an important input to the development plan to be
prepared for the Bastora and Benenan oil
discoveries.
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