KNOLL RIG

OILFIELD EQUIPMENT, NAMELY SELF-PROPELLED WORKOVER AND DRILLING RIGS, SKIDDED WORKOVER RIGS FOR PLATFORM USE, TRAILER MOUNTED WORKOVER AND DRILLING RIGS, WELL SERVICING PUMPS, SERVICE/WORKOVER RIG MASTS, FREE STANDING DRILLING RIG MASTS, DRAWWORKS, SUBSTRUCTURES, AND CARRIERS AND MUD SYSTEMS, NAMELY SHAKERS, DESANDERS, DESILTERS, CENTRIFUGAL PUMPS, CENTRIGUES, SAND TRAP DUMPS, HAMMER BAR DUMPS AND MUD GUNS