cashed out, page-50

1. The Kockatea Shale represents the first successful test of the shale oil concept in Australia.
Ongoing analysis on the Kockatea Shale dataset that followed on from when this interval was sealed off in the well has revealed several important key indicators supporting the statement that the Kockatea Shale is indeed a shale oil discovery, and the first successful test of the shale oil concept in Australia.

I don't see any likely or maybe's.