Technical Services-SUNGOOD TECH
SUNGOOD TECH Focus On Mining Machinery & Well Drilling Equipment
Aug 21,2026
Russia Permafrost Water Well Drilling with Cold Air DTH and Low-Temperature Fluid Systems
Russia permafrost drilling (50-500 m). Cold-air DTH 4-6" at -10 to -20C. Yakutia: 180 m, 2 L/s, water 1C.
Aug 18,2026
In Brazil's Mato Grosso state, sandstone aquifers at 60-120 m depth support the country's largest irrigation expansion.
Aug 14,2026
European Agricultural Well Drilling Under Drought: Chalk Aquifers to Deep Extraction
Chalk rotary drilling 60-120 m at 8-15 m/h. DTH sandstone 6-12 m/h. Drought drives farm wells to 150 m+. Scotland 75 m, 8 L/s.
Aug 11,2026
Customer feedback: DAP 680-well Saudi Nafud, DTH 6-10inch foam air at 12-20 bar, ROP 4-8 m/h in Dammam Fm limestone.
Aug 07,2026
DTH 4–8inch air-flush drilling in Africa’s basement (UCS 120–250 MPa): ROP 3–8 m/h at 7–12 bar; Senegal/Egypt data show 0.8–8.0 L/s, VES lifts success 65→90%.
Aug 04,2026
Tropical monsoon zones need drilling despite 2,000+ mm rainfall. PDC for alluvium, DTH for volcanic rock. Yields 1.5-3.5 L/s.
Jul 31,2026
Standardizing equipment cuts per-well cost 19% in 30-well program. Three-tier spares strategy + full interchangeability reduces downtime 66%.
Jul 28,2026
Water Well Development and Pump Testing: How Drilling Equipment Choices Affect Long-Term Yield
47 wells. 3 damage types reduce yield 40-75%. Air lift restores 0.8 to 2.4 L/s. DTH bits + desander cut development 43%.
Jul 24,2026
Air Flush vs Water Flush in Water Well Drilling: When to Switch and What It Costs
47 wells. Air flush fails at 60% water-air pressure. Switch cost +15%, ROP -23%, bit life +40%. Break-even 30 m.
Jul 21,2026
120 wells, 6 countries. Depth adds 18-32%/50m. Cost: USD 52-178/m. Bit+fuel: 58% increase. R²=.81. Table provided.
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