ENERGY giant Shell has asked a number of its Perth-based staff to reapply for their positions next week, as it pushes on with a global restructure to redress a doubling of its cost base since 2004.

ENERGY giant Shell has asked a number of its Perth-based staff to reapply for their positions next week, as it pushes on with a global restructure to redress a doubling of its cost base since 2004.