Woodside discovery in Gulf of Mexico
Posted:8 August 2003
Woodside Petroleum Ltd reported that the Neptune-5 appraisal well,
in the deepwater Gulf of Mexico, Atwater Valley Block 574, has encountered
a gross hydrocarbon column of approximately 1,200 feet, with more
than 500 feet of net oil pay.
The net column is significantly larger than those recorded in the
similar Miocene reservoir sandstone intervals of previous Neptune
wells. Preliminary evaluation of the fluids indicates the presence
of relatively good quality oil.
Neptune-5 is the third appraisal well to have been drilled since
Woodside acquired its interest in the Neptune Field.
The well spudded on July 2, 2003, using the BHP Billiton-operated
drillship CR Luigs and has been drilled to a total depth of 19,142
feet in water depths of 6,215 feet.
Currently, the well is being sidetracked and the joint venture
is assessing options for other associated operations at the well.
Woodside’s Acting Managing Director, Mr Keith Spence, said
that “the Neptune-5 result is very promising. This is a very
large oil column with well developed sands. The data will greatly
assist our evaluation of the commercial viability of the field.”
The Neptune discovery is located in the Atwater Foldbelt region
of the Central Gulf of Mexico.
This area includes the Mad Dog and Atlantis fields, which are currently
being developed by other joint ventures.
Woodside Energy (USA) Inc., a wholly owned subsidiary of Woodside
Petroleum Ltd., has a 20 per cent working interest in the leases
which contain the Neptune Field.
Posted by Richard Price,
Editor Pipeline Magazine
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