TP chuckled: "Hah! I nearly split a kidney laughing at the nerds who named those wells! Sauron!? Gandalf?! Gollum!? Hilarious, a direct rip from the Lord of the Rings!"
It's quite appropriate, when you think about it: the whole theme of TLotR is a long, expensive quest to drop an object into a geothermal heat source!