Sept 8 (Reuters) - Elixir Petroleum Ltd EXR.AX :
* Extension of farm-in agreement EXR.AX
* Says petra project farm-in agreement extended for six months to 31 December
2016
* Elixir and apollo agreed to defer any commitment for further exploration expenditure on petra project until after 31 March 2016
* Source text for Eikon ID:nASX9db5vS