Energy experts and lawyers are questioning the legality and execution of a massive long-term oil deal. This deal is expected to grant the US access to a significant portion of Venezuela's crude reserves. The portion in question is approximately a fifth of the total reserves.

Further details about the deal are not provided, but it has raised concerns among experts and lawyers. They are calling for contract transparency from both the US and Venezuelan governments.

More information about the deal and its potential implications can be found through additional sources.