Well Construction Water Well Casing & Screen: How to Choose for Boreholes By Windrilling Technical Team – Updated October 2026 – 12 min read A driller in West Africa sent me a photo last season. Four-inch PVC casing. An eight-inch…
Three years ago I stood at a borehole in Zambia watching a brand-new rig struggle. Cuttings were not coming up. The driller kept adding water, but the hole kept collapsing faster than he could advance. The rig was fine. The…
Buyer’s Guide · Rig Comparison By Windrilling Technical Team · August 2026 · 9 min read Last spring a distributor from Lagos called with a two-line question: we need a rig for granite quarries, but half our jobs are tight…
Field Guide · Water Wells By Windrilling Technical Team · August 2026 · 8 min read Two years ago I watched a contractor in Mozambique drill a 60-meter borehole in eleven hours. Good rig, good crew, textbook hole. The pump…
Field Guide · Water Wells By Windrilling Technical Team · August 2026 · 7 min read Last month a contractor in Zambia asked me the question every first-time buyer asks. “How much is a water well drilling rig?” I answered…
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…