URB-2,5A drilling rig is designed for water well drilling of deep (artesian) wells (for limestone), geophysical and structural wells up to 200 m with rotating drill pipes of 60,3 mm (2 1/2'') diameter and up to 300 m – with pipes of 50 mm (2'') diameter by flushing and also for drilling clustered wells with screws. more

• Structure and Operation Principle of Drilling Rig
• Exploration Work Using URB 2,5А Drilling Rig
• URB-2,5A exploration works safety precautions
• URB 2,5A Drill rig lubrication
• Possible problems of the rig mechanisms