- Lower and explode charges in boreholes to start flow of oil from wells.
Occupations with related tasks Save Table: XLSX CSV
- Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.
- Place explosive charges in holes or other spots; then detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials.
- Insert, pack, and pour explosives, such as dynamite, ammonium nitrate, black powder, or slurries into blast holes; then shovel drill cuttings, admit water into boreholes, and tamp material to compact charges.
- Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.
- Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.
- Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.
- Light fuses, drop detonating devices into wells or boreholes, or activate firing devices with plungers, dials, or buttons, in order to set off single or multiple blasts.
- Cut specified lengths of primacord and attach primers to cord ends.
- Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.
- Place safety cones around blast areas to alert other workers of danger zones, and signal workers as necessary to ensure that they clear blast sites prior to explosions.
- Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.
- Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.
- Compile and keep gun and explosives records in compliance with local and federal laws.
- Measure depths of drilled blast holes, using weighted tape measures.
- Verify detonation of charges by observing control panels, or by listening for the sounds of blasts.
- Move and store inventories of explosives, loaded perforating guns, and other materials, according to established safety procedures.
- Drive trucks to transport explosives and blasting equipment to blasting sites.
- Maintain inventory levels, ordering new supplies as necessary.
- Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.
- Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information.
- Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.
- Clean, gauge, and lubricate gun ports.
- Create and lay out designs for drill and blast patterns.
- Document geological formations encountered during work.
- Operate machines to flush earth cuttings or to blow dust from holes.
- Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.
- Signal crane operators to move equipment.
- Operate drones for aerial survey of blast sites and for post-blast damage assessment.
- Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.
- Place explosive charges in holes or other spots; then detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials.
- Insert, pack, and pour explosives, such as dynamite, ammonium nitrate, black powder, or slurries into blast holes; then shovel drill cuttings, admit water into boreholes, and tamp material to compact charges.
- Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.
- Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.
- Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.
- Light fuses, drop detonating devices into wells or boreholes, or activate firing devices with plungers, dials, or buttons, in order to set off single or multiple blasts.
- Cut specified lengths of primacord and attach primers to cord ends.
- Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.
- Place safety cones around blast areas to alert other workers of danger zones, and signal workers as necessary to ensure that they clear blast sites prior to explosions.
- Take actions to avoid potential hazards or obstructions, such as utility lines, other equipment, other workers, or falling objects.
- Coordinate machine actions with other activities, positioning or moving loads in response to hand or audio signals from crew members.
- Align machines, cutterheads, or depth gauge makers with reference stakes and guidelines or ground or position equipment, following hand signals of other workers.
- Start engines, move throttles, switches, or levers, or depress pedals to operate machines, such as bulldozers, trench excavators, road graders, or backhoes.
- Drive and maneuver equipment equipped with blades in successive passes over working areas to remove topsoil, vegetation, or rocks or to distribute and level earth or terrain.
- Operate tractors or bulldozers to perform such tasks as clearing land, mixing sludge, trimming backfills, or building roadways or parking lots.
- Operate loaders to pull out stumps, rip asphalt or concrete, rough-grade properties, bury refuse, or perform general cleanup.
- Adjust handwheels and depress pedals to control attachments, such as blades, buckets, scrapers, or swing booms.
- Operate road watering, oiling, or rolling equipment, or street sealing equipment, such as chip spreaders.
- Learn and follow safety regulations.
- Locate underground services, such as pipes or wires, prior to beginning work.
- Signal operators to guide movement of tractor-drawn machines.
- Repair and maintain equipment, making emergency adjustments or assisting with major repairs as necessary.
- Load and move dirt, rocks, equipment, or other materials, using trucks, crawler tractors, power cranes, shovels, graders, or related equipment.
- Monitor operations to ensure that health and safety standards are met.
- Connect hydraulic hoses, belts, mechanical linkages, or power takeoff shafts to tractors.
- Select and fasten bulldozer blades or other attachments to tractors, using hitches.
- Operate equipment to demolish or remove debris or to remove snow from streets, roads, or parking lots.
- Keep records of material or equipment usage or problems encountered.
- Check fuel supplies at sites to ensure adequate availability.
- Talk to clients and study instructions, plans, or diagrams to establish work requirements.
- Drive tractor-trailer trucks to move equipment from site to site.
- Push other equipment when extra traction or assistance is required.
- Operate compactors, scrapers, or rollers to level, compact, or cover refuse at disposal grounds.
- Test atmosphere for adequate oxygen or explosive conditions when working in confined spaces.
- Turn valves to control air or water output of compressors or pumps.
- Take actions to avoid potential hazards or obstructions, such as utility lines, other equipment, other workers, or falling objects.
- Coordinate machine actions with other activities, positioning or moving loads in response to hand or audio signals from crew members.
- Align machines, cutterheads, or depth gauge makers with reference stakes and guidelines or ground or position equipment, following hand signals of other workers.
- Start engines, move throttles, switches, or levers, or depress pedals to operate machines, such as bulldozers, trench excavators, road graders, or backhoes.
- Drive and maneuver equipment equipped with blades in successive passes over working areas to remove topsoil, vegetation, or rocks or to distribute and level earth or terrain.
- Operate tractors or bulldozers to perform such tasks as clearing land, mixing sludge, trimming backfills, or building roadways or parking lots.
- Operate loaders to pull out stumps, rip asphalt or concrete, rough-grade properties, bury refuse, or perform general cleanup.
- Adjust handwheels and depress pedals to control attachments, such as blades, buckets, scrapers, or swing booms.
- Operate road watering, oiling, or rolling equipment, or street sealing equipment, such as chip spreaders.
- Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.
- Place and install screens, casings, pumps, and other well fixtures to develop wells.
- Disinfect, reconstruct, and redevelop contaminated wells and water pumping systems, and clean and disinfect new wells in preparation for use.
- Operate controls to stabilize machines and to position and align drills.
- Start, stop, and control drilling speed of machines and insertion of casings into holes.
- Regulate air pressure, rotary speed, and downward pressure, according to the type of rock or concrete being drilled.
- Operate water-well drilling rigs and other equipment to drill, bore, and dig for water wells or for environmental assessment purposes.
- Retract augers to force discharge dirt from holes.
- Select and attach drill bits and drill rods, adding more rods as hole depths increase, and changing drill bits as needed.
- Drive or guide truck-mounted equipment into position, level and stabilize rigs, and extend telescoping derricks.
- Operate machines to flush earth cuttings or to blow dust from holes.
- Verify depths and alignments of boring positions.
- Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.
- Select the appropriate drill for the job, using knowledge of rock or soil conditions.
- Document geological formations encountered during work.
- Drive trucks, tractors, or truck-mounted drills to and from work sites.
- Record drilling progress and geological data.
- Retrieve lost equipment from bore holes, using retrieval tools and equipment.
- Fabricate well casings.
- Pour water into wells, or pump water or slush into wells to cool drill bits and to remove drillings.
- Create and lay out designs for drill and blast patterns.
- Review client requirements and proposed locations for drilling operations to determine feasibility, and to determine cost estimates.
- Drill or bore holes in rock for blasting, grouting, anchoring, or building foundations.
- Perform pumping tests to assess well performance.
- Design well pumping systems.
- Signal crane operators to move equipment.
- Withdraw drill rods from holes, and extract core samples.
- Inspect core samples to determine nature of strata, or take samples to laboratories for analysis.
- Monitor drilling operations, by checking gauges and listening to equipment to assess drilling conditions and to determine the need to adjust drilling or alter equipment.
- Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.
- Place and install screens, casings, pumps, and other well fixtures to develop wells.
- Disinfect, reconstruct, and redevelop contaminated wells and water pumping systems, and clean and disinfect new wells in preparation for use.
- Operate controls to stabilize machines and to position and align drills.
- Start, stop, and control drilling speed of machines and insertion of casings into holes.
- Regulate air pressure, rotary speed, and downward pressure, according to the type of rock or concrete being drilled.
- Operate water-well drilling rigs and other equipment to drill, bore, and dig for water wells or for environmental assessment purposes.
- Retract augers to force discharge dirt from holes.
- Close and seal wells no longer in use.
- Operate specialized equipment to remove obstructions by backing off or severing pipes by chemical or explosive action.
- Perforate well casings or sidewalls of boreholes with explosive charges.
- Maintain and perform safety inspections on equipment and tools.
- Operate controls that raise derricks or level rigs.
- Listen to engines, rotary chains, or other equipment to detect faulty operations or unusual well conditions.
- Prepare reports of services rendered, tools used, or time required, for billing purposes.
- Install pressure-control devices onto wellheads.
- Confer with others to gather information regarding pipe or tool sizes or borehole conditions in wells.
- Operate pumps that circulate water, oil, or other fluids through wells to remove sand or other materials obstructing the free flow of oil.
- Drive truck-mounted units to well sites.
- Interpret instrument readings to ascertain the depth of obstruction.
- Thread cables through derrick pulleys, using hand tools.
- Select fishing methods or tools for removing obstacles such as liners, broken casing, screens, or drill pipe.
- Direct drilling crews performing activities such as assembling and connecting pipe, applying weights to drill pipes, or drilling around lodged obstacles.
- Apply green technologies or techniques, such as the use of coiled tubing, slim-hole drilling, horizontal drilling, hydraulic fracturing, or gas lift systems.
- Examine unserviceable wells to determine actions to be taken to improve well conditions.
- Monitor sound wave-generating or detecting mechanisms to determine well fluid levels.
- Insert detection instruments into wells with obstructions.
- Close and seal wells no longer in use.
- Operate specialized equipment to remove obstructions by backing off or severing pipes by chemical or explosive action.
- Perforate well casings or sidewalls of boreholes with explosive charges.
- Reposition machines to make additional holes or cuts.
- Hang ventilation tubing and ventilation curtains to ensure that the mining face area is kept properly ventilated.
- Operate mining machines to gather coal and convey it to floors or shuttle cars.
- Drive machines into position at working faces.
- Move controls to start and regulate movement of conveyors and to start and position drill cutters or torches.
- Conduct methane gas checks to ensure breathing quality of air.
- Check the stability of roof and rib support systems before mining face areas.
- Determine locations, boundaries, and depths of holes or channels to be cut.
- Observe and listen to equipment operation to detect binding or stoppage of tools or other equipment malfunctions.
- Repair, oil, and adjust machines, and change cutting teeth, using wrenches.
- Install casings to prevent cave-ins.
- Scrape or wash conveyors, using belt scrapers or belt washers, to minimize dust production.
- Move levers to raise and lower hydraulic safety bars supporting roofs above machines until other workers complete framing.
- Apply new technologies developed to minimize the environmental impact of coal mining.
- Guide and assist crews laying track and resetting supports and blocking.
- Reposition machines to make additional holes or cuts.
- Hang ventilation tubing and ventilation curtains to ensure that the mining face area is kept properly ventilated.
- Operate mining machines to gather coal and convey it to floors or shuttle cars.
- Drive machines into position at working faces.
- Move controls to start and regulate movement of conveyors and to start and position drill cutters or torches.
- Set charges of explosives to split rock.
- Remove pieces of stone from larger masses, using jackhammers, wedges, and other tools.
- Insert wedges and feathers into holes, and drive wedges with sledgehammers to split stone sections from masses.
- Drill holes along outlines, using jackhammers.
- Locate grain line patterns to determine how rocks will split when cut.
- Mark dimensions or outlines on stone prior to cutting, using rules and chalk lines.
- Cut slabs of stone into sheets that will be used for floors or counters.
- Drill holes into sides of stones broken from masses, insert dogs or attach slings, and direct removal of stones.
- Cut grooves along outlines, using chisels.
- Set charges of explosives to split rock.
- Remove pieces of stone from larger masses, using jackhammers, wedges, and other tools.
- Insert wedges and feathers into holes, and drive wedges with sledgehammers to split stone sections from masses.
- Drill holes along outlines, using jackhammers.
- Position bolting machines, and insert drill bits into chucks.
- Pull down loose rock that cannot be supported.
- Dust rocks after bolting.
- Position safety jacks to support underground mine roofs until bolts can be installed.
- Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.
- Perform safety checks on equipment before operating.
- Perform tests to determine if methane gas is present.
- Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines.
- Perform ventilation tasks, such as hanging ventilation curtains and tubes.
- Install various types of bolts, including truss, glue, and resin bolts, traversing entire ceiling spans.
- Drill test holes and test bolts for specified tension, using torque wrenches.
- Rotate chucks to turn bolts and open expansion heads against rock formations.
- Remove drill bits from chucks after drilling holes, and insert bolts into chucks.
- Tighten ends of anchored truss bolts, using turnbuckles.
- Check roof or ribs for hazardous conditions.
- Clean equipment, such as dust collectors.
- Position bolting machines, and insert drill bits into chucks.
- Pull down loose rock that cannot be supported.
- Dust rocks after bolting.
- Position safety jacks to support underground mine roofs until bolts can be installed.
- Raise, lower, or position equipment, tools, and materials, using hoist, hand line, or block and tackle.
- Break up concrete, using airhammer, to facilitate installation, construction, or repair of equipment.
- Operate heavy equipment, such as backhoes.
- Strip insulation from wire ends, using wire stripping pliers, and attach wires to terminals for subsequent soldering.
- Trace out short circuits in wiring, using test meter.
- Measure, cut, and bend wire and conduit, using measuring instruments and hand tools.
- Examine electrical units for loose connections and broken insulation and tighten connections, using hand tools.
- Maintain tools, vehicles, and equipment and keep parts and supplies in order.
- Drill holes and pull or push wiring through openings, using hand and power tools.
- Clean work area and wash parts.
- Perform semi-skilled and unskilled laboring duties related to the installation, maintenance and repair of a wide variety of electrical systems and equipment.
- Thread conduit ends, connect couplings, and fabricate and secure conduit support brackets, using hand tools.
- Disassemble defective electrical equipment, replace defective or worn parts, and reassemble equipment, using hand tools.
- Construct controllers and panels, using power drills, drill presses, taps, saws, and punches.
- Transport tools, materials, equipment, and supplies to work site by hand, handtruck, or heavy, motorized truck.
- String transmission lines or cables through ducts or conduits, under the ground, through equipment, or to towers.
- Install copper-clad ground rods, using a manual post driver.
- Dig trenches or holes for installation of conduit or supports.
- Bolt component parts together to form tower assemblies, using hand tools.
- Erect electrical system components and barricades, and rig scaffolds, hoists, and shoring.
- Trim trees and clear undergrowth along right-of-way.
- Requisition materials, using warehouse requisition or release forms.
- Solder electrical connections, using soldering iron.
- Paint a variety of objects related to electrical functions.
- Operate cutting torches and welding equipment, while working with conduit and metal components to construct devices associated with electrical functions.
- Raise, lower, or position equipment, tools, and materials, using hoist, hand line, or block and tackle.
- Break up concrete, using airhammer, to facilitate installation, construction, or repair of equipment.
- Operate heavy equipment, such as backhoes.
- Clean and prepare sites for excavation or boring.
- Set up and adjust equipment used to excavate geological materials.
- Observe and monitor equipment operation during the extraction process to detect any problems.
- Drive moving equipment to transport materials and parts to excavation sites.
- Unload materials, devices, and machine parts, using hand tools.
- Organize materials to prepare for use.
- Repair and maintain automotive and drilling equipment, using hand tools.
- Clean up work areas and remove debris after extraction activities are complete.
- Load materials into well holes or into equipment, using hand tools.
- Provide assistance to extraction craft workers, such as earth drillers and derrick operators.
- Collect and examine geological matter, using hand tools and testing devices.
- Signal workers to start geological material extraction or boring.
- Dismantle extracting and boring equipment used for excavation, using hand tools.
- Dig trenches.
- Clean and prepare sites for excavation or boring.
- Set up and adjust equipment used to excavate geological materials.
- Position and align derrick elements, using harnesses and platform climbing devices.
- Start pumps that circulate mud through drill pipes and boreholes to cool drill bits and flush out drill cuttings.
- Control the viscosity and weight of the drilling fluid.
- Listen to mud pumps and check regularly for vibration and other problems to ensure that rig pumps and drilling mud systems are working properly.
- Inspect derricks, or order their inspection, prior to being raised or lowered.
- Prepare mud reports, and instruct crews about the handling of any chemical additives.
- Inspect derricks for flaws, and clean and oil derricks to maintain proper working conditions.
- Supervise crew members, and provide assistance in training them.
- Repair pumps, mud tanks, and related equipment.
- Steady pipes during connection to or disconnection from drill or casing strings.
- Weigh clay, and mix with water and chemicals to make drilling mud, using portable mixers.
- Guide lengths of pipe into and out of elevators.
- Clamp holding fixtures on ends of hoisting cables.
- String cables through pulleys and blocks.
- Set and bolt crown blocks to posts at tops of derricks.
- Position and align derrick elements, using harnesses and platform climbing devices.
- Blast rock formations and rocky areas with dynamite to facilitate posthole digging.
- Establish the location for a fence, and gather information needed to ensure that there are no electric cables or water lines in the area.
- Set metal or wooden posts in upright positions in postholes.
- Measure and lay out fence lines and mark posthole positions, following instructions, drawings, or specifications.
- Align posts, by lines or sighting, and verify vertical alignment of posts, using plumb bobs or spirit levels.
- Attach rails or tension wire along bottoms of posts to form fencing frames.
- Dig postholes, using spades, posthole diggers, or power-driven augers.
- Attach fence rail supports to posts, using hammers and pliers.
- Assemble gates, and fasten gates into position, using hand tools.
- Mix and pour concrete around bases of posts, or tamp soil into postholes to embed posts.
- Make rails for fences, by sawing lumber or by cutting metal tubing to required lengths.
- Nail top and bottom rails to fence posts, or insert them in slots on posts.
- Discuss fencing needs with customers, and estimate and quote prices.
- Stretch wire, wire mesh, or chain link fencing between posts, and attach fencing to frames.
- Complete top fence rails of metal fences by connecting tube sections, using metal sleeves.
- Erect alternate panel, basket weave, and louvered fences.
- Insert metal tubing through rail supports.
- Nail pointed slats to rails to construct picket fences.
- Construct and repair barriers, retaining walls, trellises, and other types of fences, walls, and gates.
- Weld metal parts together, using portable gas welding equipment.
- Blast rock formations and rocky areas with dynamite to facilitate posthole digging.
