Related Clues:

• Standard ___
• Really fun time
• Marsh emanation
• Pipeline contents
• Phase hotter than liquid
• Book on which 'There Will Be Blood' was based
• Nigerian export
• Helium e.g.
• It can be crude or refined
• Nitrous oxide, for one
• Little squirt, maybe
• Word with ''mustard'' or ''natural''
• Recent commodity index booster
• Ethane, for one
• Regular, plus or super