Orca, Senex Find Unconventional Gas in the Cooper Basin

Orca Energy and Senex Energy have intersected 173 feet (53 meters) of net gas pay at their unconventional exploration well, Kingston Rule-1, in the onshore Cooper Basin.

The well was drilled to a total depth of 9,423 feet (2,872 meters), where it intersected 30 feet (9 meters) of pay in the Epsilon Formation shales and 144 feet (44 meters) of pay in the Patchawarra Formation tight gas sands.

In addition, Kingston Rule-1 intersected 276 feet (84 meters) of shale in the Roseneath Formation, 217 feet (66 meters) of shale in the Murteree Formation and nearly 66 feet (20 meters) of gas charged coal in the Patchawarra Formation.

During drilling and coring, high gas readings were recorded in the shales of the Epsilon Formation and the tight gas sands and the deep coal seams of the Patchawarra Formation. Mud logs also confirmed the presence of liquids rich hydrocarbons in the Permian section.

"Fifty three meters of net gas pay is an excellent result. Coupled with the impressive quantum of shale and coal, the outcome continues to validate our strategic acquisition of Cooper Basin acreage over the last two years," Senex's Managing Director Ian Davies said Thursday in a statement.

Kingston Rule-1, sited in permit PEL 115, is being cased and suspended for fracture stimulation and production testing in early 2013.

Orca holds a 20 percent interest in the permit and is free-carried through the drilling of the well by Senex.

Both Orca and Senex are listed on the Australian Securities Exchange.

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