Gashunter,
The sp activity was in part the leadup to the Heron drill and the inclusion of Petrofac.
For a quick reference to all past announcements, I find this site valuable.News is on the right hand side.
You can see at a glance thru the years, the progress of the company.
http://www.stocknessmonster.com/news-history?S=MEO&E=ASX
Good to see you still holding after all these years too GasHunter.