(MENAFN- ProactiveInvestors - Australia) Orca Energy (ASX: OGY) and Senex Energy (ASX: SXY) have spudded their Kingston Rule-1 unconventional gas exploration well in the Cooper Basin.
Kingston Rule-1 in PEL 115 was selected to target the greatest net thickness of potential shale, siltstone and tight sandstone in the Roseneath-Epsilon-Murteree targets, as well as potential net pay in the Patchawarra tight sand intervals.
Review of the Hornet-1 offset well, located 2.5km due south from the Kingston Rule-1 location, has identified net sand pay throughout the well-developed Patchawarra channel sands.
Coring intervals for Kingston Rule-1 have been proposed through the Roseneath Shale, Epsilon Formation, Murteree Shale and multiple Patchawarra Formation sands to better understand the petrophysical nature of these shales, coals and tight sand reservoirs.
Once drilling is completed, Kingston Rule-1 will be fracture stimulate to realise the production potential of the unconventional gas reservoirs encountered.
PEL 115 is completely surrounded by PEL 516, where Senex estimates could host over 100 trillion cubic feet of in-place shale and coal seam gas.
Senex had last week announced the Skipton-1 well in PEL 516 had confirmed the presence of a basin centred gas accumulation after intersecting more than 75 metres of net gas pay in the Patchawarra Formation and 164 metres of gas charged Roseneath and Murteree shales.
Basin centred gas accumulations produce at higher rates than traditional shale plays while being less expensive to bring into production.
Orca has a 42% stake in PEL 115 while Senex holds a 33% operating stake. The remaining partner is Lion Petroleum with 25%.
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