Set up or operate a variety of drills to remove underground oilandgas, or remove core samples for testing during oilandgas exploration.
Cap wells with packers, or turn valves, to regulate outflow of oil from wells.
Clean andoil pulleys, blocks, and cables.
Connect sections of drill pipe, using hand tools and powered wrenches and tongs.
Count sections of drill rod to determine depths of boreholes.
Direct rig crews in drillingand other activities, such as setting up rigs and completing or servicing wells.
Line drilled holes with pipes, and install all necessary hardware, to prepare new wells.
Locate and recover lost or broken bits, casings, anddrill pipes from wells, using special tools.
Maintain records of footage drilled, location and nature of strata penetrated, materials and tools used, services rendered, and time required.
Monitor progress of drillingoperations, and select and change drill bits according to the nature of strata, using hand tools.
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.
Position and prepare truck-mounted derricks at drilling areas specified on field maps.
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.
Remove core samples during drilling to determine the nature of the strata being drilled.
Repair or replace defective parts of machinery, such as rotarydrill rigs, water trucks, air compressors, and pumps, using hand tools.
Start and examine operation of slush pumps to ensure circulation and consistency of drilling fluid or mud in well.
Train crews, and introduce procedures to make drill work more safe and effective.
Weigh clay, and mix with water and chemicals to make drilling mud.
Operatedrilling equipment.
Operate cranes, hoists, or other moving or lifting equipment.