AWE Limited, the Operator of Permits L1/L2 in the Perth Basin, Western Australia, advises that as AWST the Waitsia-1 appraisal well was at a Measured Depth below Rotary Table (MDRT) of 2,931m and drilling ahead in a 8 ½ inch hole to the planned total depth of 4,050m, following the successful installation of 9 5/8 inch intermediate casing at 2,400m.
The Dongara Sandstone, a secondary target, was intersected at 2,743m MDRT as prognosed with
elevated gas shows recorded. The Waitsia-1 well was spudded on 14 May 2015 and is forecast to take approximately six weeks in total to complete. The well will be drilled vertically to its planned total depth of 4,050m MDRT and is designed to further test the gas potential of the Waitsia Field, comprising primary targets in the deep conventional formations in the Kingia and High Cliff Sandstones.
The well will be logged and core samples will be collected and sent for analysis. Secondary targets in the shallower Dongara and Wagina tight sandstone formations, the Carynginia Shale and Irwin River Coal Measures will be intersected prior to reaching the primary targets. If the results are positive, AWE may undertake a fl
ow test of the Waitsia-1 well and the well may be completed as a production well for a potential future field development. The approved work program forthe Waitsia-1 appraisal well does not include hydra
ulic fracture stimulation.
The Waitsia-1 appraisal well is located on agricultural land approximately 17km east of Dongara, Western Australia, and 10km from the operating Dongara gas plant. The well is the second of a three well drilling program planned for the Perth Basin in 2015. It will be followed by the Waitsia-2 appraisal well in the second half of the 2015 calendar year.
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