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Senex kicks off its 12 well unconventional gas program with Paning-2

Wednesday, Dec 05, 2012

Senex will commence its 12 well unconventional gas exploration program in the coming week  when Weatherford Rig 826 arrives in northern Cooper Basin permit PEL 90 (Senex 100%) to drill the Paning-2 unconventional gas exploration well. The well is located 1.3 kilometres south west of Paning-1, a gas exploration well drilled by Delhi Petroleum in 1980, which exhibited numerous gas shows during drilling in the Toolachee, Epsilon, Patchawarra and Tirrawarra formations.

Paning is a very large structural and stratigraphic target in a proven hydrocarbon province. Paning-2 will assess the unconventional gas potential of the tight sands and coals of the Toolachee, Epsilon, Patchawarra and Tirrawarra formations, targeting a total depth of 3,175 metres.

In the last week, Senex completed drilling its fourth operated unconventional gas exploration well, Kingston Rule-1, on behalf of the PEL 115 joint venture (Senex 80% and Operator, Orca Energy Limited (Orca, ASX: OGY) 20%) in the southern Cooper Basin. Very high gas readings were recorded during drilling and coring, with a total of 53 metres of net gas pay recorded in the sands of the Epsilon and Patchawarra formations. The well also intersected 150 metres of shale in the Roseneath and Murteree shales and almost 20 metres of coal in the Patchawarra Formation. The well has now been cased and suspended ahead of fracture stimulation and production testing.

On the strength of successful exploration at Kingston Rule-1, Senex and Orca have agreed to re-enter the Hornet-1 exploration well as part of Senex’s large scale hydraulic fracture stimulation program of its unconventional gas wells in the southern Cooper Basin. Hornet-1, which is located approximately 2.5 kilometres south of Kingston Rule-1 in PEL 115, flowed gas to surface when Victoria Petroleum drilled the well in 2004.

OIL EXPLORATION, APPRAISAL AND DEVELOPMENT

The successful Spitfire-2 exploration well in PEL 104 (Senex 60% and Operator; Beach Energy Limited (Beach) 40%) was cased and suspended after intersecting an interpreted net oil pay of 6.5 metres. The well is scheduled to be completed before Christmas and planning is underway for an initial production test at the oil field in the new year.

Senex’s last exploration success, Mustang-1 in PEL 111 (Senex 60% and Operator; Beach 40%) successfully commenced extended production testing on 30 November 2012, following the construction of a facility designed for longer-term production. Following its return to production, the well produced through a 27/64 th inch choke at a rate of more than 2,400 bopd before being further constrained to produce at a rate of approximately 800 bopd.

Following its release from Spitfire-2, Ensign Rig 48 was temporarily released to other operators. Senex will review the results of its drilling programs and new 3D seismic data, and confirm its next oil targets on the western flank before recommencing its oil drilling campaign in the new year.

Senex has now completed the successful Snatcher-8 development well at Snatcher oil field in PPL 240 as part of a program to accelerate the development of its oil fields on the western flank of the Cooper Basin. Before Christmas, Senex plans to complete the Growler-5 development well in PRL 15. After Christmas, the rig will return to the Snatcher oil field to complete the successful Snatcher-9 and Snatcher-10 appraisal wells. The three new wells at Snatcher are expected to contribute to Senex production in the March 2013 quarter.

Source: Senex

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