- Using imported diamond raw materials and reinforced rib structure, with the same formation, the drilling depth is 20-50% higher than that of general...

Hole Depth: 300m,150m,60m Hole Diameter: 76mm, 96mm, 123mm Coring Method: Wireline Diamond Coring Application of DET300：: Survey of...

Hole Depth: 1800m, 1500m,700m,400m Hole Diameter: 60mm, 76mm, 96mm, 123mm Coring Method: Wireline Diamond Coring

When retrieving the core, the fishing tool is lowered into the drill pipe and rapidly descends under gravity. Upon reaching the position of the inner ...

Used in situations where the drill pipe is buried or stuck and cannot be lifted. The exact location of the incident is determined, and a drill pipe of...