Oil and gas properties:
Plant and machinery 10%
Tankage, pipelines and jetties 5%
Wells and surveys 10%
Service plant 25%
Drilling plant 33.33%
Other property and equipment:
Marine craft 7.50%
Buildings and roads 4%
Office furniture and equipment 15%
Lorries and trailers 25%
Motor cars 33.33%
Computers 20