Midstream giant Williams executives see strong levels of natural gas production enduring as global LNG demand is poised to further mount in coming years.

The Tulsa-based company’s chief executive said producers, while trying to contain expenses amid a prolonged bout of low prices, want to maintain output momentum ahead of a years-long expansion of liquefied natural gas export capacity that is expected to fuel demand growth through this decade and into the next.

“I think the majority of producers see a pretty bright future for demand right now,” CEO Alan Armstrong said during the second quarter earnings call Thursday. “And as a result of that, they are making sure that they’re not letting their systems fall into a decline in a way that would be hard to recover...