British Malayan Petroleum was formed in 1947 and became Brunei Shell Petroleum in 1961. Brunei Shell Tankers was formed jointly with the state in 1986. The Hong Kong business originated in 1913 as Asiatic Petroleum (South China), became Shell Company of Hong Kong in 1955 and Shell Hong Kong in 1996. The Federation of Malaya company later appears as Shell Malaysia. Shell Eastern progressed from a London listing to Shell Eastern Petroleum (Pte) at Singapore.
Keep the explicit scope label independent; no alias or company identity is inferred.