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Case Stories
Water-powered drilling golden in South Africa

Gold Fields Limited in South Africa is one of the world"s foremost gold producers. The company is constantly on the lookout for ways to make its mining operations more efficient.
Case Stories

The box holes at the Beatrix mine measure up to 35 meters in length. Using the Wassara W80 along with the small, robust water-powered rig from the South African firm Hydro Power Engineering, the company was able to drill much straighter holes than had previously been the case. More precise holes also mean higher productivity.

Another important benefit was that the work environment was improved as a result of the decreased levels of airborne drill dust and oil mist.

Equipment:

Hammer Wassara W80
Bit Wassara 95 mm
Pump The Earth"s gravity. The depth produces 180 bar of water pressure.
Drilling fluid Clean water
Drill pipe Wassara
Rig HPE (Hydro Power Engineering), water-powered
Formation Highly abrasive rock
Other

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