Saudi Aramco plans a bumper wave of investment to help the kingdom deliver on Vision 2030. But with gas output gains set to miss a 2020 target, LNG imports look an increasingly viable option, especially with Riyadh seeking to court Russia.

Saudi Arabia’s burgeoning petrochemicals industry and energy consumption is driving a rapacious thirst for gas. The kingdom is planning to increase raw gas output to 17.8bn cfd by 2020, and then to 23bn cfd by around 2026, up from 12bn cfd in 2016....