Vietsovpetro completed installation of wellhead platform topside at Bach Ho oil field: Overview of Bach Ho oil field. (Photo: PetroVietnam)

More than 130 workers used a crane vessel to install the 760-tonne block in accordance with schedule, ensuring safety and the most rational costs despite bad weather conditions caused by typhoon Yagi.

BK-23, an unmanned wellhead platform, is located near the existing BK-14 oil rig, which will receive oil and gas from the former through an auxiliary equipment system and connecting pipelines.