"Onshore LNG, there's plenty of life in that dog - certainly if we start to get off some of the very hot costs that we've got in places like Australia," Shell's Neil Gilmour told delegates at the World Petroleum Congress.

Shell is continuing apace with its 3.6 million-tonnes-per-annum Prelude FLNG that will be deployed off Australia and is eying similar-sized floating units in other areas.