Waterjetting 7a - An intro to jet structure

Once a waterjet starts to move out of the nozzle with any significant speed, as the pump pressure begins to build, it becomes more and more ...

Me, This Week in Energy, and why Halliburton might refuse EPA

This afternoon I was an invited guest on “ This Week in Energy ” with Nikki Gordon-Bloomfield and Bob Tregelus. Among other things we talk...

Hydrofracing Natural Gas Wells

Some time ago I wrote a piece for The Oil Drum on Hydrofracing, that explained some of the basic processes involved in the technology. Since...