Hole cleaning, sizing your mud pump, bit-balling and uphole velocity. It’s Ask Brock episode 188.

New and veteran drillers share this same common mistake, host Brock Yordy says. It’s Ask Brock episode 169.

What’s the best drilling rig to cut your teeth on? Host Brock Yordy has ideas. It’s Ask Brock episode 165.

The host talks safe driving, site assessment and the Great Lakes Compact, and interviews driller Mike Steffan.

We talk to longtime columnist, former NGWA President John Schmitt about changing times, advice for new drillers.

In episode 36, the hosts talk to veteran driller and servant of the groundwater industry John Schmitt.