On 17 January, an article in Channel News Asia follows a case in which almost a dozen Shell employees were charged, and also implicated are employees of a major Singapore fuel supplier, a London-listed firm that certifies fuel quantities, and a Vietnamese shipping company. Reuters reported in 2018 that about S$200 million worth of oil was stolen over several years from the Shell refinery, which is its largest petrochemical production and export centre in the Asia-Pacific. Employees used methods like moving the misappropriated oil through unmonitored routes, timing the illegal loading of oil with legitimate transfers, and tampering with meters that measure oil passing through. However, the article says that the Shell incident is just the pinnacle of the often small-time but widespread crime that is marine fuel theft.
If you would like to make a (polite) gesture and make a (very) modest contribution to my ongoing with my relocation, removal and computer costs, I have a page at https://www.buymeacoffee.com/KoIvM842y