PATROLLER
POWER OPERATED DOWNHOLE TOOLS USED FOR THE DRILLING OF OIL AND GAS, NAMELY, POWER OPERATED DRILL BITS, REAMERS, CUTTERS, JUNK SUBS AND DEBRIS CATCHERS; POWER OPERATED WELL CLEANING DOWNHOLE TOOLS, NAMELY, POWER OPERATED WIPERS, SCRAPERS, BRUSH TOOLS, POLISHERS AND SCOURERS FOR MAINTAINING A CLEAN INTERIOR OF A CASING OR LINER WITHIN A WELL BORE; POWER OPERATED FLUID FILTERS FOR SELECTIVELY FILTERING AND REMOVING SOLIDS FORM DOWNHOLE FLUIDS; AND POWER OPERATED FLUID CIRCULATORS THAT CAUSE DOWN...
Abandoned · October 30, 1999 · 75613189 ·
