While the cost of decommissioning in Australia could reach US$21 billion over the next 50 years, the size of the prize on offer in the wider Asian region could prove to bear even more fruit for service companies, writes Josh Lewis.

According to research by Wood Mackenzie, nearly 50% of offshore platforms in the Asia Pacific region are older than 20 years, and more than 600 fields, the majority of them offshore, are expected to cease production over the next 10 years.