Jacobina/Brazil Email [email protected] for more information. 800 PSI of air pressure for exploration drilling Factors:Extremely high air pressure, long lifespan, tropical rainy climate adapted.Drilling condition:Schramm T685 – 350PSI@1150CFMHurricane booster B7-41 – up to 1000PSI@2400CFMPerformance of Black Diamond Drilling Services:1. Lifespan: +50,000 meters on hammers, +1000 meters on bits2. Cost per meter decreased by 30-40%3. 0% failure rate.