Date: April 2021

Project Name: Binhai LNG

Pipe Diameter: 1800mm

Soil Condition: quicksand mixed with silt, large groundwater, sea water

Significance: CNPC Binhai LNG natural gas pipeline steel pipes are laid in place, and cement pipe casing jacking pipes are urgently needed to penetrate the nodes to ensure the entire gas pipeline cycle. Other company’s equipment was locked at 50 meters in the first section. At 100 meters in the third section, the cutter head was pulled out due to excessive jacking force.