{"c":"47-5012.00","n":"Rotary Drill Operators, Oil and Gas","d":"Set up or operate a variety of drills to remove underground oil and gas, or remove core samples for testing during oil and gas exploration.","g":"47","tasks":[{"t":"Train crews, and introduce procedures to make drill work more safe and effective.","core":true,"id":8296,"r":105,"dt":"12/2005","src":"Incumbent"},{"t":"Observe pressure gauge and move throttles and levers to control the speed of rotary tables, and to regulate pressure of tools at bottoms of boreholes.","core":true,"id":8297,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Count sections of drill rod to determine depths of boreholes.","core":true,"id":8298,"r":103,"dt":"12/2005","src":"Incumbent"},{"t":"Push levers and brake pedals to control gasoline, diesel, electric, or steam draw works that lower and raise drill pipes and casings in and out of wells.","core":true,"id":8299,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Connect sections of drill pipe, using hand tools and powered wrenches and tongs.","core":true,"id":8300,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Maintain records of footage drilled, location and nature of strata penetrated, materials and tools used, services rendered, and time required.","core":true,"id":8301,"r":105,"dt":"12/2005","src":"Incumbent"},{"t":"Maintain and adjust machinery to ensure proper performance.","core":true,"id":8302,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Start and examine operation of slush pumps to ensure circulation and consistency of drilling fluid or mud in well.","core":true,"id":8303,"r":105,"dt":"12/2005","src":"Incumbent"},{"t":"Locate and recover lost or broken bits, casings, and drill pipes from wells, using special tools.","core":true,"id":8304,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Weigh clay, and mix with water and chemicals to make drilling mud.","core":true,"id":8305,"r":105,"dt":"12/2005","src":"Incumbent"},{"t":"Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.","core":true,"id":8306,"r":104,"dt":"12/2005","src":"Incumbent"},{"t":"Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.","core":true,"id":8307,"r":103,"dt":"12/2005","src":"Incumbent"},{"t":"Repair or replace defective parts of machinery, such as rotary drill rigs, water trucks, air compressors, and pumps, using hand tools.","core":true,"id":8308,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Clean and oil pulleys, blocks, and cables.","core":true,"id":8309,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Bolt together pump and engine parts, and connect tanks and flow lines.","core":true,"id":8310,"r":104,"dt":"12/2005","src":"Incumbent"},{"t":"Remove core samples during drilling to determine the nature of the strata being drilled.","core":true,"id":8311,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Cap wells with packers, or turn valves, to regulate outflow of oil from wells.","core":false,"id":8312,"r":106,"dt":"12/2005","src":"Incumbent"},{"t":"Line drilled holes with pipes, and install all necessary hardware, to prepare new wells.","core":false,"id":8313,"r":105,"dt":"12/2005","src":"Incumbent"},{"t":"Position and prepare truck-mounted derricks at drilling areas specified on field maps.","core":false,"id":8314,"r":104,"dt":"12/2005","src":"Incumbent"},{"t":"Plug observation wells, and restore sites.","core":false,"id":8315,"r":105,"dt":"12/2005","src":"Incumbent"}]}