Well Tanks are fluid storages, used specifically with Wells and Sabatier Reactors.
Well Tanks share the list of constuction materials:
Methane Tank[ | ]
The Methane Tank attaches to a Sabatier Reactor, selecting its operation mode, namely, producing Methane. Also, according to the Tablet data, it is the Tank that consumes the 5 kW for operation, not the Reactor.
