Columbia subject headings:
Marine insurance--Great Britain.
Offshore oil industry--Law and legislation--Great Britain.
Offshore oil well drilling--Law and legislation--Great Britain.
Oil well drilling rigs.
Harvard subject headings:
Marine insurance--Great Britain.
Mobile offshore structures.
Offshore oil industry--Law and legislation--Great Britain.
Offshore oil well drilling--Law and legislation--Great Britain.
Oil well drilling rigs--Great Britain.
Princeton subject headings: