I don't think that anyone knows exactly what each guy is doing, but I would expect that Sanz will be travelling around a lot more in the area than Hugo, who will just show up to do his Alo.

Cuidad Bolivar, Puerto Ordaz and the LC mine are all pretty close together. The mine is just about a hundred miles down the 10 highway from Puerto Ordaz. Here is a map to give you some idea of where things are: http://www.tagzania.com/item/35944