National Driller February 2012

National Driller February 2012......Page 1
News and Notes at Press Time......Page 4
Contents
......Page 6
Clean Air: A Key Element to
Major Component Longevity......Page 10
Precision Rock Excavation Project......Page 14
Plumbing Pressure Tanks......Page 16
Emerging Wastewater Solutions......Page 20
Chocking and Blocking
......Page 26
Still More about Drop Pipe......Page 28
Why Well Rehabilitation
Makes Good Sense......Page 34
Cold Weather Considerations......Page 38
Efficient Blasthole Production......Page 40
Tooling & Accessories......Page 44
Funnel Viscosity Not the Whole Story......Page 49
Coming Events......Page 51
An Education Comes in Many Forms......Page 52
Product Info......Page 54
A Parting Shot......Page 56
The Marketplace......Page 57
Back Cover......Page 72