The production tests on Yarrow-1 will target the Tirrawirra sandstone and the underlying Merrimelia formation, according to Innamincka.

The initial drill stem test of the Tirrawirra sandstone flowed gas at 3.8 million cfd with associated gas liquids. The production test is designed to provide additional gas composition data, particularly gas liquids content, and to evaluate longer term reservoir deliverability.

Yarrow-2 encountered tight reservoirs in the Tirrawarra sandstone and Patchawarra formation that prevented commercial production and reduced the productive area in the Yarrow gas field, according to Innamincka. Recoverable gas reserves at the Yarrow field have been estimated at 51 bcf.

Innamincka will also complete Juniper-1 for a series of cased hole drill stem tests early next month.

The oil-bearing Toolachee, basal Patchawarra and Tirrawarra sandstones will be tested individually to provide more definitive information on reservoir fluid content, composition and productivity. The mid-Patchawarra sandstones, interpreted as gas-saturated, may also be tested. The program is expected to take about 10 days.

Meanwhile the pressure build-up phase of production testing at Flax-1 is continuing. Innamincka plans to stimulate the in the first quarter of next year. Flax-1 was producing at 170-230 bopd before being shut-in for pressure build-up. The company said it expected stimulation treatment to significantly increase the production rate.

Interests in PEL 103 are Innamincka Petroleum (operator) 35% and Vernon E Faulconer Australia Inc 65%.