Few World Petroleum Congress cycles have faced challenges like the one that took place in Houston last week.

The event, cancelled last year in the midst of the initial Covid-19 wave, was impacted at the eleventh hour by the global spread of a new variant of the coronavirus.

There were hastily imposed international travel restrictions to contend with and a handful of high-profile cancellations, but those who did turn up got a useful sampler on how the industry is adapting to a changing world.