The East-West Pipeline, also known as the Petroline, is a 746 miles (1,201 km)-long 48 inches (120 cm) pipeline that runs from the Abqaiq oil field in the Eastern Province (near Bahrain and Qatar on the Persian Gulf coast) across the width of the Arabian Peninsula to the Red Sea.

[1] The line was converted to carry natural gas, but was converted back to carry crude oil.

[2] The pipeline is actually twinned pipes,[3] and as of 2018 had a capacity of 5 million BPD.

[4] The pipeline was built in the 1980s, "amid fears that the Iran-Iraq war would cut off shipping through the Strait of Hormuz.

The attack temporarily shut down the pipeline before it was reopened.