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Drilling at the GSWA Harvey 1 well.

Drilling at the GSWA Harvey 1 well.

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GSWA Harvey 1 creates new drilling record

Friday, 16 March 2012

The stratigraphic hole GSWA Harvey 1, near the south west town of Harvey, has set a record as the deepest hole the Geological Survey of Western Australia (GSWA) has ever drilled.

At a total depth of 2,945 metres it is 927.5 metres deeper than the previous record hole, GSWA Vines 1 which drilled to 2,017.5 metres in the Officer Basin in 1999.

The well was spudded on February 6 and total depth reached on March 8, while wireline logging commenced on March 9.

Since the 1880's, the Geological Survey has drilled many wells and acquired other data to better understand the geology and mineral and petroleum potential of the State.

The jointly funded Exploration Incentive Scheme (EIS) and Commonwealth well has provided new data for the southern Perth Basin in investigating the possibilities for carbon dioxide storage for the SW Hub CCS Project, as well as determining the petroleum and geothermal potential for the area.

The coring and wireline logging program is one of the most sophisticated ever run in the State and will provide much needed data for the SW Hub Project as well as a better understanding of the geology of the southern Perth Basin.

This data will be processed and used by the Geological Survey, industry and research organisations like CSIRO, UWA and Curtin to build detailed models for the planning of further data acquisition in the area.

The well has attracted both national and international interest as an investigative well for carbon dioxide storage and placed Western Australia firmly on the map in this discipline.

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