Configuring barrier "J" for containment and recovery of oil at sea. In this type of operating two boats, one of which is equipped with a collection team Landfill (skimmer) involved. One of the boats operating as Lead fastener and orientation of the barrier. The other boat, with equipment for collecting, holding the wall at the other end by setting the short arm of the "J". This must be so because the latter vessel must collect the pollutant that accumulates in the bottom of the wall through the "skimmer".