WWT

OIL DRILLING EQUIPMENT, NAMELY, NON-ROTATING DRILL PIPE PROTECTORS COMPRISING A POLYURETHANE SLEEVE AND STOPS COLLARS; COILED TUBING TRACTORS COMPRISING TWO GRIPPER AND PISTON ASSEMBLIES FOR PULLING DRILL PIPE DOWNHOLE, OIL DRILLING EQUIPMENT, NAMELY, ANTI-STALL TOOLS, NAMELY, A TOOL IN THE DRILL STRING HAVING HYDRAULICS VALVES TO PREVENT DRILLING MOTOR STALL, AND CIRCULATION SUBS COMPRISING A TOOL IN THE DRILL STRING HAVING HYDRAULICS VALVES TO DIRECT DRILLING FLUID INTO THE DRILLING ANNULUS