Australia-based AWE has completed the drilling and testing program at the Lengo-2 gas appraisal well, offshore East Java, Indonesia.

AWE said the Lengo-2 well has been drilled to a total depth of 837.6m (2,748ft), while two separate Drill Stem Tests (DST) were completed and gas samples sent for laboratory analysis.

The company said that the well has been successfully plugged and abandoned as planned, while the rig has been released.

During the test programme, the first DST tested the upper part of the Kujung I formation from 736m to 757m (2,415ft to 2,485ft) and flowed gas at a rate of 4.5 million standard cubic feet per day (scf/d).

AWE conducted the second DST over the Kujung I formation interval and achieved a maximum gas flow rate of 21.2 million scf/d with the flow rate limited by surface equipment.

During the interval, a wireline logging programme was completed, while three cores were cut and retrieved from the Kujung I carbonate reservoir in Lengo-2 recovering an estimated 42m (137ft) of core.