The reverse-air rotary drilling method operates by the same general principles as direct-mud rotary, except that compressed air is pumped down the drill rods and returns with the drill cuttings up through the annulus.
My father, Porky Sr., was a tool pusher – a drill supervisor – when I was young, and I went with him almost everywhere. Where you saw him, usually you would see me ...
There are a lot of formally educated people who achieve very little on or off the job. They know what to do, and they know how to do it. The problem is they’re not motivated enough to do much about it.