RUST Cleaning up a failed Oil Rig

I was out exploring our neighborhood when I came across a base I haven&seen before, it was build atop the remnants of an older base we raided couple days before. I noticed a flaw in their design, an exposed floor that allowed me to crouch underneath the base and pick at the soft sided stone floor; I went back home, grabbed a hatchet and a grenade launcher with enough 40mm HE grenades to blow through two and a half sheet metal doors, I got to work. On my way back to that new base, I peeked at the map to see if anyone was doing any of the Oil Rigs, and indeed we had someone about to face off against the Heavy Scientist. The Military Transport Helicopter was about to drop them off at the Small Oil Rig, my curiosity piqued. Since there were only six other people on the server, it had to be some confident solo player or at least a duo wanting to get some extra loot, nevertheless I ignored them for now and went on to start raiding that base. After picking through the floor and using a horse to boost me up into the building, I was in. But I far underestimated the amount of doors that would be inside, I had to choose wisely which ones to blow through. Unfortunately, I made a blunder, and blew into a fake door. Fortunately enough on my second try I found the entrace towards the core, but there was another door in my way, and a possibly another one behind it, so I used the rest of my explosives to weaken it, and I headed back home to get more explosives. Upon arriving back at base I...