Tearing down the infrastructure from aging North Sea oil and gas fields could generate a stream of revenue for the industry as a whole, a consultant group said. Royal Dutch Shell started the process of taking down legacy operations at the Bravo production platform in the North Sea last year. The Bravo platform supported Brent oil field development, but was closed down in 2014. Field maturation has forced the idling of several production platforms and Shell is in the midst of a multi-million-dollar plan to take them down. The British government estimated it could cost about $77.3 billion to decommission offshore infrastructure. Energy consultancy Westwood Group said up to $100 billion in spending on […]