Mining Operations & Strategies

Calculating Mine-site Volumes From Space Satellite imaging provides a safe, fast and cost-effective alternative to ground-based open-pit mining surveys In today’s competitive commodities...

Suppliers Report

Belzona Repairs Barrick Slurry Tank Belzona repaired a slurry tank damaged by corrosion at Barrick Gold Corp.’s Dominican Republic mine, Pueblo Viejo. The tank was used to neutralize acidic sludge to a...
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Mining Equipment Gallery

New Rotary Blasthole Drill Caterpillar announced its new MD6310 rotary blasthole drill enables efficiency and productivity improvements. Cat electronics deliver advanced troubleshooting for...

New Bit Lines Have Advanced Design Features


Varel International has launched the new Raider series PDC drill bits, along with new bit technology for horizontal directional drilling (HDD) applications.

According to the company, the new Raider bits are purpose-built for drilling to total depth through interbedded soft and hard formations of transition zones. By incorporating design refinements that create a new, more balanced profile with greater stability, the series provides a solution to overcome the ROP and durability challenges associated with these applications. Varel also said its Target HDD technology encompasses a new series of roller cone bits equipped with EdgeGuard shirttail enhancement technology, as well as Full Coverage (FC) cutters for use on hole openers and reamers in HDD operations. The roller bits, available in both open and sealed bearing configurations, are equipped with patented High Energy Tumbled inserts.

The series’ FC cutters are sealed bearing and compensated components with advanced cutting structures for outstanding performance in hole opener and reamer applications. All FC cutters feature Varel’s labyrinth seal ring protection for extended life.
www.varelintl.com

From the Editor

Western Australia Seeks Gold Royalty Increase The last few years have been difficult for gold miners and really tough for gold explorers. This holds true for the miners in gold districts near Kalgoorlie and Coolgardie in Western Australia. And, just as they say they are beginning to feel the effects of recently implemented optimization programs and a...
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Exploration Roundup

Osisko Drilling 400,000 m at Windfall Lake Osisko Mining has reported numerous favorable results from an ongoing, 400,000-meter (m) drill program at its Windfall Lake gold project in Urban Township,...

This Month in Coal Mining

Whitehaven Posts Impressive Results Whitehaven Coal, Australia’s leading independent coal company with five operating mines in northwest New South Wales, has reported a net profit after tax of...