Santos’ $5.8 billion Barossa project and Woodside’s $16.5 billion Scarborough venture off WA have been mired in delays and uncertainty.
Australia's Karoon Energy has renegotiated the terms of a deal worth nearly $1 billion to acquire an oil field off the coast of Brazil.
Slater&Gordon has suffered another blow after the ASX dumped the stock from its top 200 list.