The nirvana of balance also means that OPEC, and in particular its largest producer and de facto leader Saudi Arabia, have to walk a series of political tightropes.
The obvious one is also the most public, U.S. President Donald Trump, who is often criticised for changing his mind on issues, but has been remarkably consistent on one front, namely his desire for lower oil prices.
It's perhaps no surprise that Saudi Energy Minister Khalid al-Falih singled out U.S. energy companies as winners from the OPEC and allies deal, telling reporters at the meeting in Vienna on Dec. 7 that they were "breathing a sigh of relief".