DB....Maaate!....I don't know where you're coming from....The GT3000 was originally presented as a drill that could go down to 3500 feet and that one of it's "selling" features was that it had this immense pull-back capability to withdraw and add drilling pipe to go down to this depth and the variance would depend on pipe diameter of course. So it was always ideal for exploratory drilling. The issue with geothermal drilling is the temperature and pressure problems encountered by the drill and we were led to believe that part of the deal was the perfection of a multi-head pneumatic head to go with the drill. This is what would "chew through" rock such as granite and make it superior to competition. The drill was not put together for oil/gas[or water] because it did not have a "beefed up BOP" etc to ensure safety when going for this stuff. This they were only made too aware of at the Merredin test drill when they hit that pressurised water pocket which "stopped the whole show"......I seriously suspect that WS has not been able to come up with an effective pneumatic head...otherwise we would have heard about it..........I don't think the industry will "punt on" the GT3000 for Geothermal work{mining companies are a conservative bunch]....so fit it out with an appropriate head and a 10,000 psi BOP and let's get this sucker working...and I don't know why it is taking so long....for me, WS has lost that "great white hope" status...I really don't know whether he is as good as the "hype" originally put out....Who knows?...Dare I say it...Nanne might have been "on the money"...... :O)
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