Types of Kelly Bars
The Kelly bar is an essential component of foundation drilling rigs, crucial for transmitting torque and pressure necessary to break and remove the formation during drilling operat
Safety is the highest priority here at the Ougan Group, where we maintain our safety standards to the highest international standards. We are pleased to announce that during the recent ADSC Summer Mee
How to Judge the Quality of Core Barrel for Foundation Piling?
Core barrels are designed for challenging drilling tasks, such as cutting through hard rock and steel-reinforced concrete. When standard
On Jan.9, 2022, the hydraulic pipe jacking machine – XDN1200H achieved a phased victory.The project length was 1900m (6233ft) and drilling in complex stratum conditions through quicksand, slime and gr