Anybody dabbled with this, or had oil that was extracted in this way.
http://en.wikipedia.org/wiki/Supercriti ... extraction
Slightly dubious about bringing this up as I imagine very nasty things could happen if something were to go wrong with the pressures involved.
Super-critical CO2 extraction
yes. it's just the scientific name for using a fluid like butane to collect the goodness. Check out www.erowid.com for the detailed lowdown.
Wash yerself up quick, babe. Star Trek's on.