Heavy NGL prices benefitted from an increase in crude prices the week of Nov. 2 with isobutane in particular experiencing a significant price surge as propylene alkylation demand is also on the rise.

Both the increase in crude prices and the greater alkylation demand resulted in Mont Belvieu isobutane prices rising 7% to $2.21 per gallon (/gal). This was the highest price at the hub since the week of July 16, 2008, when it was $2.34/gal. The Conway price improved 3% to $1.92/gal, its highest price since it was $2.03/gal ...