More OPEC production and higher global natural gas prices widen crude oil price spreads

Recently, prices of high-sulfur crude oils have been declining relative to low-sulfur crude oils. Rising crude oil exports from OPEC members that produce mostly medium-sulfur or high-sulfur crude oils, also called sour crude oils, and higher natural gas prices have contributed to lower prices for sour crude oils relative to low-sulfur (sweet) crude oils. More »