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...

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: 600m,500m,300mHole Diameter: BQ/BTW, NQ/NTW, HQ/HTWCoring Method: Wireline Diamond CoringApplication of D...

Hole Depth: 1592m, 1115m, 724m, 471mCoring Method: Wireline Diamond CoringApplication of DET300：: The DMZ Series Intelligent hydraul...

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