Geological & Water Well Casing

We are a professional manufacturer of seamless geological casing and water well casing , critical rig accessories for harsh drilling conditions including fractured formations and water‑bearing rock layers.

Manufactured from high‑grade drilling steel DZ40, DZ50 and R780. Wall thickness ranges from 4mm,4.5mm,5mm,5.5mm,6mm,7mm,8mm to 10mm. Standard outer diameters include 43mm,59mm,73mm,89mm,108mm,127mm,146mm,168mm,194mm,219mm,245mm,273mm,325mm.

Widely deployed for geological exploration, rock core sampling, mining operation, water well drilling, slope stabilization and pile foundation investigation. Custom threading service is available with precise thread tolerance and reliable joint sealing, compatible with most global drilling rigs. We supply drilling contractors and wholesale importers worldwide.

Geological and water‑well casing stabilizes borehole walls and prevents collapse to secure smooth drilling and coring operations. DZ40 grade works for shallow normal formations; DZ50 fits medium‑depth holes and medium‑hard rock; high‑strength R780 features superior crush‑resistance for heavy‑duty deep‑hole drilling in fractured zones. Complete range of standard sizes in stock. Custom threads and connections can be tailored to match your drilling rig and borehole design to minimize field assembly failure. Our casing products are exported to Nigeria, Philippines, Romania, Russian‑speaking regions and Southeast Asia for hydro‑drilling, mineral exploration and geotechnical investigation projects.