My comment wasn't clear - I'm talking about abandoned rigs. So the well is sealed. Some of the more extreme "environmentalist" (in my opinion extreme) also dem

My comment wasn't clear - I'm talking about abandoned rigs. So the well is sealed. Some of the more extreme "environmentalist" (in my opinion extreme) also demand that the ocean floor near the well is scrubbed clean to 'leave no trade' which is good in theory but in practice will wipe out the fish and plant life which has grown up around it.