Accident treatment: every phenomenon and accident has its own factors, find these factors and eliminate it. Slagging: Increase the viscosity of mud, liquid level height, reduce the sand content rate. Hole collapse: Increase the viscosity of mud, liquid level height, increase the specific gravi Read More

Drill pipe Drill pipe is a wearing part, one of the 6 key parts of the drilling rig (main reel, power head, drill pipe, lead, wire rope, drilling tools) and also a frequent failure part. Drill pipe bears the output torque and pressure of the drilling rig, inertial impact of improper operation, an Read More

External public relations As a rotary excavation management personnel, anything is not as important as the external public relations with the Party, should be absolutely obedient to the arrangements, actively cooperate with, according to the Party's work instructions to carry out the work, and Read More

Technical points of rotary drilling rig hole formation construction: Adopting sand-fishing bottom-sealing drilling bucket: When using rotary drilling rigs to drill in the sand layer, the phenomenon of “running out of air” is easy to occur if ordinary drilling buckets are used, so the engineers Read More

Rotary drilling hole filling pile, also known as positive and negative circulation hole filling pile, is the most commonly used and widely applied pile forming method in China, which is to use general geological drilling rigs under the condition of mud wall protection, slow drilling, slagging throug Read More