The gas reserves offshore Peninsular Malaysia are dedicated to the Peninsular Gas Utilisation (PGU) Project while that offshore Sarawak are committed for Sarawak's domestic gas projects and LNG exports.

The PGU Project, which commenced in 1984, now spans over 1,700km, comprising main gas transmission pipelines, supply pipelines and laterals.

The system also comprises of six gas-processing plants with a combined capacity of 2,000 million standard cubic feet per day (mmscfd), producing methane, ethane, propane, butane and condensate.