is the equipment installed at the wellhead to prevent the escape of pressure, or pressurized material, from the drill hole.
REAL Services 700 Portage Trail Cuyahoga Falls, OH 44221.3057
voice: 330.630.3700 fax: 330.630.3733
© 1995-2005 REAL Services® U.S.A. - Analytical Almanac All Rights Reserved