I’ve
been involved with the drilling industry for many years, and have seen booms
and busts come and go. The present economic situation reminds me of the Great
Depression of ‘83, and while I think it might get worse before it gets better,
so far, it still is better than what I’ve seen in other countries.
Recently,
we had an occasion to need a permit to discharge some produced ground water in
a swamp. There were a pile of tests and standards we had to meet to get the
permit. Since we were discharging pure, unpolluted ground water into swamp that
was so turbid you couldn’t see a 12-foot ‘gator at 1 foot, I figured we’d have
no problem.
Casing can be “floated” into the hole, relieving much of the weight on the rig.
This is done with a float shoe, which acts as a check valve at the bottom of
the casing, and allows the volume inside to displace enough fluid to balance part
of the weight.