Weatherill names his possible successors

SA MINISTERS POSSIBLY IN LINE TO BE THE STATE'S NEXT PREMIER:

* Deputy Premier John Rau - current attorney-general who has pushed through some significant law reforms.

* Treasurer Tom Koutsantonis - has returned the budget to surplus but remains under pressure to create jobs and ease the cost of living.

* Education Minister Susan Close - has been charged with sorting out the child protection mess that resulted in a royal commission.

* Health Minister Jack Snelling - has introduced the controversial Transforming Health agenda and is also working to get the much-delayed new Royal Adelaide Hospital open.

* Transport Minister Stephen Mullighan - a relative newcomer who has perfomed well so far.

* Correctional Services Minister Peter Malinauskas - the former union boss who helped deliver the premier's job to Jay Weatherill.