There are actually 3 wells in this catacomb... problem is, 1006 drops don't show their positions.https://prnt.sc/xnOf8Vl-6cXm
From the image there, you can see 1 location, there is another within the left middle section and one to the righ side of the map configuration, and also, this game was created with "No Trapdoors"... so exploring it SHOULD not have TD... up to you to join even at level 1 or above... 1st one to enter gets control.
Free of course... and being level 1 or 20 etc... you can explore to your hearts content.
20 minutes before I just explore more of it and just exit game. Your choice.