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Case Studies
Explore real drilling projects completed with Drillnova tools across HDD, foundation drilling and other applications.
Foundation Drilling

B47K22*28 Bullet Teeth Test for Qingdao Subway Granite Drilling
Drillnova tested B47K22*28 bullet teeth on a 1000mm core barrel for a Qingdao Subway bored pile project, with field records covering drilling footage, cutter wear, tool vibration, and cleaning cycles.
Foundation Drilling

Site Welding Solution for a 1500mm Roller Bit Core Barrel
Drillnova supported a first cooperation project on the G59 Highway with a site welding and cutter positioning plan for a 1500mm roller bit core barrel working in 100MPa+ fresh granite.
Foundation Drilling

MH-3 Roller Bit Core Barrel for 1200mm Bored Pile Rock Drilling
Field support in Guangzhou Zengcheng, China, covering MH-3 roller bit installation, core barrel repair, spoil discharge improvement, and operating parameter adjustment in hard weathered rock.
Foundation Drilling

Enhancing Rock Drilling Efficiency at Jieyang Thermal Power Plant
Improved wear resistance and penetration performance through redesigned high-helix roller cone barrel bits in complex granite formations