Nevertheless , drilling was renewed in 1940 , and subsequently in 1955 , by the then British Malayan Petroleum Company , resulting in the six wells being spudded .
In 1914 , five shallow wells were drilled but abandoned in the following year due to geological issues .
Drilling was renewed in 1940 , and subsequently in 1955 , by the then British Malayan Petroleum Company , resulting in the six wells being spudded .
In 1914 , five shallow wells were drilled but abandoned in the following year due to geological issues .