Around 500,000 kilometres of oil and gas pipelines worldwide need to be renovated, rebuilt or upgraded, while leaks, ruptures and incidents already cost the sector more than $7 billion (€6bn) a year — and roughly 40% of failures go undetected in the first 24 hours, according to industry experts speaking at the Baku Energy Forum. ADVERTISEMENT ADVERTISEMENT The scale of the problem is driving rapid adoption of sensors, machine-learning and real-time monitoring systems designed to shift pipeline