•
Conventional and reverse circulation rotary rigs are used
primarily in water well applications for drilling large
diameter wells and employ air or drilling fluid circulation
for removal of cuttings and borehole stabilization.
QUOTE
As of 08:56PM EDT May 24, 2012
$ ()
Today's Open:Today's Close:
Today's High:
Volume (thous):
Today's Low:
Avg Vol (thous):
52 Week High:
Bid (size):
52 Week Low:
Ask (size):
COMPANY INFO
To see the headquarters in Google Street View &trade, drag this yellow guy: over to the red pointer:
To see the headquarters in Google Street View &trade, drag this yellow guy: 
over to the red pointer: 
