Hole Depth: 600m, 500m, 200m, 100mHole Diameter: 60mm, 76mm, 96mm, 123mmCoring Method: Wireline Diamond CoringApplica...

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 ...

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

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...

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