78058688
Apr 16, 2001
Aug 26, 2003
DOWNHOLE PRODUCTION AND EXPLORATION MACHINERY FOR USE IN OIL, GAS, OR GEOTHERMAL WELLS, NAMELY DRILL BITS, MOTORS, DRILL PIPE, JARS, STABILIZERS, REAMERS, PERFORATORS, TOP HEAD DRIVES AND SWIVELS, AND HYDRAULIC HAMMERS
Machinery