The attack on Saudi oil processing facilities drove NGL prices sharply higher on Sept. 16 and, though they retreated some on positive news the following day, still recorded week-on-week increases across the board at Mont Belvieu, Texas.

Ethane’s price continued to rise at Mont Belvieu to its highest level in almost six months, while the hypothetical barrel reached a 15-week high. The benchmark Henry Hub natural gas price did not experience a dramatic jump following the attack but it continued its nearly month-long upward trend.

But in the aftermath of the attack, believed to have come from Iran, several questions remain unanswered. For example, what about products other than crude oil?

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