Conventional oil

December 2016 Quarter


Operated - Exploration and Appraisal

Western Flank Oil
Ex PEL 91
Beach 100%
The September-1 oil exploration well is located approximately seven kilometres east of the Stunsail Field. The well targeted oil within a structural closure at the Namur Sandstone level and tested the McKinlay Member, Birkhead Formation and Poolowanna Formation as secondary targets. September-1 intersected an eight metre gross interval with oil shows within the Poolowanna Formation. A drill stem test was undertaken over the interval 1,927.8 metres to 1,936.0 metres and recovered 15.2 barrels of approximately 42 degree API oil from the drill string over a 1.5 hour flow period. There were no indications of formation water from the test. The flow rate was calculated to be 210 bopd and the well was cased and suspended as a future producer. This discovery validates the Poolowanna Formation as an additional reservoir target within the ex PEL 91 permit area. Review of results is currently underway and further production testing is planned to assess the resource size. Further mapping of the Poolowanna oil play will be undertaken through FY17, with potential appraisal and near-field exploration activities in FY18.
The Osmanli-1 oil exploration well, located within the primary ex PEL 91 oil fairway approximately four kilometres west of the Stunsail Field, was drilled to test a four-way dip closed anticlinal structure. The well targeted the Namur Sandstone, with the mid-Namur Sandstone, Birkhead Formation and Poolowanna Formation providing secondary targets. Strong oil shows were intersected at two levels within the Birkhead Formation. A drill stem test was conducted over the lower interval of 1,689 – 1,697 metres for a six-hour flow period. The test recovered 52 degree API oil at a calculated rate of 50 barrels of oil per day, plus 50 barrels of water per day. A second drill stem test was conducted over the upper interval of 1,651 – 1,664 metres for a six-hour flow period. The test recovered 47 degree API oil at a calculated rate of 55 barrels of oil per day, plus 30 barrels of water per day. The well was subsequently cased and suspended as a future producer, with results indicating a potential western extension of the Birkhead Formation play area, and providing encouragement for the Kangaroo-1 follow-up exploration wells (to be drilled in Q3 FY17).

Ex PEL 92
Beach 75% and operator, Cooper Energy 25%
The Penneshaw-1 oil exploration well was drilled to test a four-way dip closed anticlinal structure located between the Christies Field and the Butlers-Parsons oil fairway. The well targeted the Namur Sandstone, with the mid-Namur Sandstone, Birkhead Formation and Hutton Formation providing secondary targets. Penneshaw-1 was plugged and abandoned due to lack of commercial pay.
The Butlers-9 oil appraisal well was drilled to test a possible northwest extension of the Butlers Field. The well is located approximately 15 kilometres southwest of the Callawonga Field and targeted the Namur Sandstone, with the mid-Namur Sandstone, Birkhead Formation and Poolowanna Formation providing secondary targets. Butlers-9 was plugged and abandoned due to lack of commercial pay.

Non Operated - Exploration and Appraisal
Western Flank Oil
Ex PELs 111 and 424
Beach 40%, Senex 60% and operator
The 295 km2 Liberator 3D seismic survey was acquired in ex PEL 111. The survey covers the unmapped northern extent of the Snatcher Field and area to its west, and is targeting Namur Sandstone and Birkhead Formation oil prospects. Processing of data will be undertaken during H2 FY17.
The 220 line kilometre Koonchera 2D seismic survey was acquired in PEL 424. The survey is located 25 kilometres northwest of the Snatcher Field, where minimal exploration activity has been undertaken. Processing and interpretation of data is expected to be completed by the end of FY17.