A barge that is specially equipped to lay submarine pipelines.
Liquefied natural gas (LNG)
Oilfield or naturally occurring gas, mainly methane, liquefied for transport.
Liquefied petroleum gas (LPG)
Light hydrocarbon material, gaseous at atmospheric temperature and pressure, kept in the liquid state by pressure to facilitate storage, transport and handling. Commercial liquefied gas consists mostly of either propane or butane, or mixtures of the two.