Abqaiq is the world 's largest facility for this stabilization .
The chief purpose of Abqaiq is to remove hydrogen sulfide from crude oil and reduce the vapor pressure , making the crude safe to be shipped in tankers .
Abqaiq is the world 's largest Abqaiq for this stabilization .
The chief purpose of Abqaiq is to remove hydrogen sulfide from crude oil and reduce the vapor pressure , making the crude safe to be shipped in tankers .