Petroleum Act 1923

All grants, leases, licences, and other instruments of tenure under any Act relating to unallocated State land, other than leases under this Act, issued after the passing of this Act shall contain a reservation of all petroleum on or below the surface of the land comprised therein, and also a reservation of all rights of access for the purpose of searching for and for the operations of obtaining petroleum in any part of the land, and all rights of way for access and for pipelines and other purposes requisite for obtaining and conveying petroleum in the event of petroleum being obtained in any part of the land.