Petrochina's project broke three records

On April 17, the land and sea directional drilling crossing of Shenzhen Mawan Power Plant upgrading project designed by Southwest Branch of China Petroleum Engineering and Construction Company - EPC project of Dachao Island to Mawan Power Plant gas supply line was successful. The project's directional drilling length reached 4,735 meters, setting a new record for the world's longest directional drilling through land and sea, the world's longest directional drilling through pipe diameter of more than 600 mm, and the world's longest directional drilling through natural gas pipeline.