Jacobina/Brazil
800 PSI of air pressure for exploration drilling
Factors:
Extremely high air pressure, long lifespan, tropical rainy climate adapted.
Drilling condition:
Schramm T685 – 350PSI@1150CFM
Hurricane booster B7-41 – up to 1000PSI@2400CFM
Performance of Black Diamond Drilling Services:
1. Lifespan: +50,000 meters on hammers, +1000 meters on bits
2. Cost per meter decreased by 30-40%
3. 0% failure rate.
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REVERSE CIRCULATION DRILLING](https://www.bddrill.com.au/wp-content/uploads/bb-plugin/cache/0Y3H7152-landscape-9d71eebffac28c332b24cbff36ed3c48-5a8a7703d578d.jpg)
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REVERSE CIRCULATION DRILLING](https://www.bddrill.com.au/wp-content/uploads/bb-plugin/cache/0Y3H7156-landscape-8b80af4056854702b30d48a282093774-5a8a77136b74c.jpg)