Field Guide · Rig Maintenance DTH Drilling Rig Maintenance: A Contractor’s Field Checklist By Windrilling Technical Team · August 2026 · 8 min read A quarry manager in Ghana called me about a rig that had stopped making hole. The…

Field Guide · Water Well Drilling DTH vs Rotary Water Well Drilling: A Field Comparison By Windrilling Technical Team · August 2026 · 9 min read Two years ago I stood on a farm in northern Zambia while the crew…

Field Guide · Quarry & Mining DTH Drilling Blasthole Drilling in Quarries: Choosing the Right DTH Rig By Windrilling Technical Team · August 2026 · 10 min read Last spring I watched a quarry operator burn through two drill bits…

Technical Guide · DTH Drilling How Much Air Does a DTH Hammer Need? A Field Guide to Compressor Sizing By Windrilling Technical Team · August 2026 · 8 min read A few years back I watched a crew bolt a…

Technical Guide · Geothermal Drilling Geothermal Drilling Rigs: Equipment Selection for Geothermal Wells By Windrilling Technical Team · August 2026 · 9 min read Last year I watched a crew lose a 600-meter hole two weeks before their casing program…

Technical Guide · Drilling Tools DTH Hammer and Drill Bit Selection: Match Tools to Your Rock By Windrilling Technical Team · August 2026 · 8 min read A few years back I stood on a granite quarry bench and watched…

The first time I saw a DTH rig get stuck, it was on a quarry site in West Africa. Rain had turned the haul road into red mud, and a truck-mounted unit sank to its axles before drilling a single…

Buyer’s Guide · Water Well Drilling Rigs How to Choose a Water Well Drilling Rig: 7 Factors That Decide Your Project’s Success By Windrilling Technical Team · August 2026 · 9 min read Most contractors don’t choose the wrong rig.…

Full hydraulic DTH rigs outperform air-powered systems in hard rock, deep water wells and large-diameter drilling. Technical guide covering specs, WD-ZJ516 breakdown and total cost of ownership.