Beach Energy Makes Wet Gas Discovery at Ralgnal-1 Well in SA Cooper Basin

Drillsearch Energy Ltd. provided Tuesday its drilling report for January, including details of a wet gas discovery at Ralgnal-1 exploration well in PRL 130 in South Australian Cooper Basin.

Oil Business

Western Flank Oil Fairway

Drilling continued on the Western Flank Oil Fairway (Drillsearch 60 percent, Beach 40 percent and Operator) with the Sandhurst-1 exploration well in PRL 156 (formerly PEL 91) which targeted the top Namur Sandstone. Sandhurst-1 was plugged and abandoned after encountering insufficient hydrocarbon pay.

Wet Gas Business

Western Wet Gas Fairway

Our Wet Gas joint venture with Beach (Drillsearch 50 percent, Beach 50 percent and Operator) drilled the Ralgnal-1 exploration well in PRL 130 (formerly PEL 106). Drillsearch’s preliminary evaluation of well logs indicates a gross interval in the Patchawarra Formation between 7,805 and 9,144 feet (2,379 and 2,787 meters) with net pay of 21.6 feet (6.6 meters), and a gross interval in the Tirrawarra Formation between 9,144 and 9,324 feet (2,787 and 2,842 meters) with net pay of 9.8 feet (3.0 meters). A Drill Stem Test (DST) was performed over the Patchawarra Formation with gas flowing to surface at a rate of 5.88 MMscf/d. Test flow rates for condensate are currently under review. The well will be cased and suspended as a new discovery, with a cased hole test proposed prior to completion of the well.

In the Wet Gas joint venture with Santos (Drillsearch 40 percent, Santos 60 percent and Operator), the Nulla North-1 well was spud Jan. 27 in the northwest of PRL 133 (formerly PEL 632). A near-field exploration well, Nulla North-1 is targeting wet gas in the Patchawarra Formation and Tirrawarra Sandstone. Preliminary assessment of initial mud and wireline logs has identified multiple wet gas shows in the Patchawarra Formation and the deeper Tirrawarra Sandstones. The joint venture is proceeding with a DST of the well to determine whether a new wet gas discovery has been made.

Unconventional Business

Central Unconventional Fairway

In ATP 940 (Drillsearch 40 percent and Operator, QGC 60 percent), the fourth and final well in the current campaign, Amidala-1, has been drilled to a total depth of 11,467 feet (3,495 meters) and cased and suspended for future hydraulic stimulation. The Weatherford 826 rig was released and de-mobilized Jan. 27.

As previously reported, testing of the first well in the campaign, Charal-1, began Dec. 24, 2014 and continued through the month of January with the testing process ongoing. Information regarding the Charal-1 production test was included in Drillsearch’s December 2014 Quarterly Activity Report released to the ASX Jan. 28.


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