Woodside Petroleum Ltd. management said a combination of maintenance, weather and geopolitical tensions impacted its oil and gas production and sales during the first quarter. However, heightened prices – especially for liquefied natural gas (LNG) – kept revenues strong.

The Australian producer saw a mix of boons and setbacks with its gas businesses during the quarter. Its onshore Karratha Gas Plant near the offshore North West Shelf Venture and its Wheatstone LNG project in Western Australia gained higher liquefaction volumes during the period, but their adjacent fields saw reduced production. The Pluto LNG facility, also in Western Australia, saw impacts from “reliability events” and weather issues, according to the company.

Along with production issues, Woodside CEO...