it's quite obvious folks, page-10

Tap went into a trading halt and anounced a gas discovery at Zola when it got to an equivalent stage that Tallanga 1 is at now.
Having said that the only difference apart from the trading halt is that with Zola they mentioned that there was an indication of a gas column but the thickness and quantity was yet to be determined.
Share price action today and the wording of the announcement suggest that the gas shows is not comercial.