EVALUATION METHODS AND STANDARDS FOR ROCK DRILLABILITY

Screw air compressor energy saving evaluation

Screw air compressor energy saving evaluation

Bringing you a prosperous future where energy is clean, abundant, reliable, and affordable 46.3% reduction ($160k/yr!!) in energy usage with the same air compressors, 48.0% reduction in demand, 45.8% improvement in specific power. Wear and tear reduced dramatically. 6.1% pressure reduction. [pdf]

China s Downhole Drilling Methods

China s Downhole Drilling Methods

How to exploit efficiently unconventional hydrocarbon has become an important step to solve the problem of increasing reserve and production of oil & gas in China. Aiming at unconventional oil & gas well e. [pdf]

Rock blasting drilling rig

Rock blasting drilling rig

In hard rock mining and quarrying, this is achieved through a controlled process of drilling and blasting. A blast hole drill rig is a specialised piece of equipment that creates a series of holes in a specific pattern, depth, and diameter across a section of rock known as a “bench.” [pdf]

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