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Empire Oil & Gas Starts Wannamal 3D Heliseismic Survey In The Perth Basin

Empire Oil & Gas (ASX: EGO) has started surveying 80 square kilometres in Exploration Permit EP 389 as part of the Wannamal 3D Heliseismic Survey, the first helicopter borne survey of its size in the onshore Perth Basin, Western Australia.

Recording of the seismic survey is planned to start in April 2013 upon the surveying being completed and the last approvals received from the State Government Department of Mines and Petroleum.

The survey will be recorded over the Gingin Gasfield Area that was delineated by the Gingin-1 and Gingin-2 discovery wells that were drilled in 1964 and 1965 by WAPET as well as a number of modern 160 fold 2D seismic surveys recorded by Empire.

Seismic surveys in the Gingin area commenced in 1998 totalling some 444 line kilometres. The 45 square kilometre Gingin West 3D seismic survey was recorded in 2008.

The Wannamal survey is designed to provide explicit high definition information of the subsurface geology of the Gingin Gasfield Area and the structures mapped there to date.

These include Gingin-4 and Deep, Gingin-5 and Deep and also Wannamal-1 and Deep.

The Wannamal and Deep prospect was mapped from the Gingin West 3D Seismic recorded in 2009-10, resulting in the Gingin West-1 and Red Gully-1 discoveries.

The Gingin Gasfield Prospects have estimated potential recoverable gas and condensate of 205 billion cubic feet of gas and 9.2 million barrels of condensate.

New discoveries drilled in prospects defined by this survey can be treated at the Red Gully Processing Facility, which is in the final stages of construction.

The facility, the first dedicated gas and condensate treatment plant built in the Perth Basin, will initially produce gas and condensate from the Red Gully-1 and Gingin West-1 wells.

Survey contractors

Terrex Seismic Australia has been chosen as the seismic contractor following a tender process and will supply the recording equipment, geophones, the seismic crew and the subcontractors to record the seismic data.

Terrex surveyors are currently on site and will mark out and peg or paint the locations of some 8,000 source and receiver stations.

The service company providing two pilots and two helicopters is Precision Helicopters. The 12 heliportable drills and crew are being supplied by Webster Drilling. Both of these service companies are subcontracted to Terrex Seismic.

Empire will supply the management, geophysicists, land access people and the fencing contractor. Onsite offices for Terrex, the Heli team, drilling personnel and Empire's personnel are all located near the helipad, within land owned by Empire and the EP 389 Joint Venture.

A 35 man field camp is being installed 200 metres south-west of the Red Gully Gas and Condensate Processing Facility within EP 389, 20kms north of Gingin.

As part of the Wannamal 3D Survey, Empire has conducted a detailed botanic survey and a dieback botanical survey. Dieback has not been encountered in the survey area.

The Heliseismic method has been adopted by Empire to reduce the environmental "footprint" on the land whilst providing excellent seismic recording parameters and exceptional data quality.

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