Well drillers and borers and related workers

7.0%

ADI · 380th of 433 · 95% interval 2.4–12.3

An AI agent can at least partly carry out 7.0% of the task time of well drillers and borers and related workers, and finish 0.0% alone. The barrier that holds most of the rest back is access to the systems the work runs on.

ADI · partial or full7.0%

380th of 433 · interval 2.4–12.3

ADI3 · full delegation0.0%

201st of 433 · interval 0.0–0.0

ADIs · share of time14.1%

367th of 433 · interval 11.3–16.8

Evidence137

task statements rated by two models and weighted by importance and frequency. World employment: 0.9 million.

Task weight by level

How the tasks rate

67%

26%

L0No meaningful role · 66.5%L1Augmentation · 26.4%L2Partial delegation · 7.0%L3Full delegation · 0.0%

Barriers

What stops the agent

Physical presence

96%

Accountability

49%

Trust and care

10%

Access to systems

78%

Share of task weight flagged by each barrier; a task can carry several.

137 task statements, heaviest first

Task statement (O*NET occupation)	Weight	Level	Sonnet · Haiku	Share	Human time	Barriers
Unscrew or tighten pipes, casing, tubing, and pump rods, using hand and power wrenches and tongs.Roustabouts, Oil and Gas	2.2%	L0	L0L0	1%	18 min	Physical presence, Accountability, Access to systems
Gauge oil and gas production.Wellhead Pumpers	1.6%	L0	L1L0	12%	40 min	Physical presence, Accountability, Access to systems
Dismantle and repair oil field machinery, boilers, and steam engine parts, using hand tools and power tools.Roustabouts, Oil and Gas	1.6%	L0	L0L1	8%	2.8 h	Physical presence, Accountability, Access to systems
Monitor pumps and flow lines for gas and fluid leaks.Wellhead Pumpers	1.6%	L1	L1L2	28%	40 min	Physical presence, Accountability, Access to systems
Monitor control panels during pumping operations to ensure that materials are being pumped at the correct pressure, density, rate, and concentration.Wellhead Pumpers	1.6%	L2	L2L2	48%	2.5 h	Physical presence, Accountability, Access to systems
Clean trucks used in the fields.Roustabouts, Oil and Gas	1.6%	L0	L0L0	4%	52 min	Physical presence, Access to systems
Move pipes to and from trucks, using truck winches and motorized lifts, or by hand.Roustabouts, Oil and Gas	1.6%	L0	L0L0	4%	45 min	Physical presence, Accountability, Access to systems
Control the viscosity and weight of the drilling fluid.Derrick Operators, Oil and Gas	1.6%	L1	L1L2	25%	45 min	Physical presence, Accountability, Access to systems
Listen to mud pumps and check regularly for vibration and other problems to ensure that rig pumps and drilling mud systems are working properly.Derrick Operators, Oil and Gas	1.5%	L0	L0L1	14%	30 min	Physical presence, Accountability, Access to systems
Start compressor engines and divert oil from storage tanks into compressor units and auxiliary equipment to recover natural gas from oil.Wellhead Pumpers	1.4%	L0	L0L0	8%	38 min	Physical presence, Accountability, Access to systems
Maintain and perform safety inspections on equipment and tools.Service Unit Operators, Oil and Gas	1.4%	L1	L1L2	21%	1.0 h	Physical presence, Accountability, Access to systems
Lay gas and oil pipelines.Roustabouts, Oil and Gas	1.4%	L0	L0L1	6%	8.0 h	Physical presence, Accountability, Access to systems
Operate engines and pumps to shut off wells according to production schedules, and to switch flow of oil into storage tanks.Wellhead Pumpers	1.4%	L1	L1L1	15%	38 min	Physical presence, Accountability, Access to systems
Prepare reports of services rendered, tools used, or time required, for billing purposes.Service Unit Operators, Oil and Gas	1.4%	L2	L2L2	68%	45 min	Access to systems
Open valves to return compressed gas to bottoms of specified wells to repressurize them and force oil to surface.Wellhead Pumpers · supplemental task	1.4%	L0	L1L0	8%	25 min	Physical presence, Access to systems

Show the other 122 tasks

Task statement (O*NET occupation)	Weight	Level	Sonnet · Haiku	Share	Human time	Barriers
Walk flow lines to locate leaks, using electronic detectors and by making visual inspections, and repair the leaks.Roustabouts, Oil and Gas	1.4%	L0	L0L0	4%	3.0 h	Physical presence, Accountability, Access to systems
Listen to engines, rotary chains, or other equipment to detect faulty operations or unusual well conditions.Service Unit Operators, Oil and Gas	1.3%	L1	L1L1	15%	25 min	Physical presence, Access to systems
Start pumps that circulate mud through drill pipes and boreholes to cool drill bits and flush out drill cuttings.Derrick Operators, Oil and Gas	1.3%	L0	L0L1	10%	10 min	Physical presence, Accountability, Access to systems
Bolt together pump and engine parts.Roustabouts, Oil and Gas	1.3%	L0	L0L0	4%	1.0 h	Physical presence, Access to systems
Supervise crew members, and provide assistance in training them.Derrick Operators, Oil and Gas	1.3%	L1	L1L1	12%	2.5 h	Physical presence, Accountability, Trust and care, Access to systems
Dig holes, set forms, and mix and pour concrete into forms to make foundations for wood or steel derricks.Roustabouts, Oil and Gas · supplemental task	1.3%	L0	L0L0	4%	8.0 h	Physical presence, Access to systems
Steady pipes during connection to or disconnection from drill or casing strings.Derrick Operators, Oil and Gas	1.3%	L0	L0L0	2%	6 min	Physical presence, Accountability, Access to systems
Inspect derricks for flaws, and clean and oil derricks to maintain proper working conditions.Derrick Operators, Oil and Gas	1.3%	L0	L0L1	6%	1.8 h	Physical presence, Accountability, Access to systems
Guide lengths of pipe into and out of elevators.Derrick Operators, Oil and Gas	1.3%	L0	L0L0	2%	16 min	Physical presence, Accountability, Trust and care, Access to systems
Guide cranes to move loads about decks.Roustabouts, Oil and Gas	1.2%	L0	L0L0	4%	18 min	Physical presence, Accountability, Trust and care, Access to systems
Weigh clay, and mix with water and chemicals to make drilling mud, using portable mixers.Derrick Operators, Oil and Gas	1.2%	L0	L0L0	5%	38 min	Physical presence, Access to systems
Prepare trucks and equipment necessary for the type of pumping service required.Wellhead Pumpers · supplemental task	1.2%	L1	L1L1	18%	52 min	Physical presence, Accountability, Access to systems
Operate controls that raise derricks or level rigs.Service Unit Operators, Oil and Gas	1.2%	L0	L0L0	2%	30 min	Physical presence, Accountability, Access to systems
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.Rotary Drill Operators, Oil and Gas	1.2%	L0	L1L0	18%	45 min	Physical presence, Accountability, Trust and care, Access to systems
Prepare mud reports, and instruct crews about the handling of any chemical additives.Derrick Operators, Oil and Gas	1.2%	L1	L1L2	38%	45 min	Physical presence, Accountability, Trust and care, Access to systems
Supply equipment to rig floors as requested and provide assistance to roughnecks.Roustabouts, Oil and Gas · supplemental task	1.2%	L0	L0L0	4%	30 min	Physical presence, Accountability, Trust and care, Access to systems
Perform routine maintenance on vehicles and equipment.Wellhead Pumpers	1.2%	L1	L1L1	14%	1.3 h	Physical presence, Accountability, Access to systems
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.Rotary Drill Operators, Oil and Gas	1.2%	L0	L0L0	4%	52 min	Physical presence, Accountability, Access to systems
Maintain records of footage drilled, location and nature of strata penetrated, materials and tools used, services rendered, and time required.Rotary Drill Operators, Oil and Gas	1.2%	L2	L2L2	60%	38 min	Physical presence, Accountability, Access to systems
Connect sections of drill pipe, using hand tools and powered wrenches and tongs.Rotary Drill Operators, Oil and Gas	1.1%	L0	L0L0	2%	4 min	Physical presence, Accountability, Access to systems
Direct drilling crews performing activities such as assembling and connecting pipe, applying weights to drill pipes, or drilling around lodged obstacles.Service Unit Operators, Oil and Gas · supplemental task	1.1%	L0	L0L1	8%	4.2 h	Physical presence, Accountability, Trust and care, Access to systems
Count sections of drill rod to determine depths of boreholes.Rotary Drill Operators, Oil and Gas	1.1%	L0	L1L0	12%	12 min	Physical presence, Accountability, Access to systems
Start and examine operation of slush pumps to ensure circulation and consistency of drilling fluid or mud in well.Rotary Drill Operators, Oil and Gas	1.1%	L1	L1L1	18%	25 min	Physical presence, Accountability, Access to systems
Install pressure-control devices onto wellheads.Service Unit Operators, Oil and Gas	1.1%	L0	L0L1	9%	2.5 h	Physical presence, Accountability, Access to systems
Unload and assemble pipes and pumping equipment, using hand tools.Wellhead Pumpers · supplemental task	1.1%	L0	L0L0	4%	2.3 h	Physical presence
Repair pumps, mud tanks, and related equipment.Derrick Operators, Oil and Gas	1.1%	L0	L0L1	8%	2.0 h	Physical presence, Accountability, Access to systems
Confer with others to gather information regarding pipe or tool sizes or borehole conditions in wells.Service Unit Operators, Oil and Gas	1.1%	L2	L2L2	42%	25 min	Physical presence, Trust and care, Access to systems
Train crews, and introduce procedures to make drill work more safe and effective.Rotary Drill Operators, Oil and Gas	1.1%	L1	L1L2	35%	3.5 h	Physical presence, Accountability, Trust and care, Access to systems
Supervise oil pumpers and other workers engaged in producing oil from wells.Wellhead Pumpers · supplemental task	1.1%	L1	L1L2	30%	2.5 h	Physical presence, Accountability, Trust and care, Access to systems
Position and align derrick elements, using harnesses and platform climbing devices.Derrick Operators, Oil and Gas	1.1%	L0	L0L0	2%	45 min	Physical presence, Accountability, Trust and care, Access to systems
Maintain and adjust machinery to ensure proper performance.Rotary Drill Operators, Oil and Gas	1.1%	L1	L1L1	18%	1.8 h	Physical presence, Accountability, Access to systems
Repair gas and oil meters and gauges.Wellhead Pumpers	1.0%	L0	L0L1	8%	1.3 h	Physical presence, Accountability, Access to systems
Clamp holding fixtures on ends of hoisting cables.Derrick Operators, Oil and Gas	1.0%	L0	L0L0	2%	15 min	Physical presence, Accountability, Access to systems
Drive truck-mounted units to well sites.Service Unit Operators, Oil and Gas	1.0%	L0	L0L0	3%	1.5 h	Physical presence, Accountability, Access to systems
Weigh clay, and mix with water and chemicals to make drilling mud.Rotary Drill Operators, Oil and Gas	1.0%	L0	L0L1	9%	45 min	Physical presence, Accountability, Access to systems
Dig drainage ditches around wells and storage tanks.Roustabouts, Oil and Gas · supplemental task	1.0%	L0	L0L0	4%	2.5 h	Physical presence, Accountability
Interpret instrument readings to ascertain the depth of obstruction.Service Unit Operators, Oil and Gas	0.9%	L1	L1L2	38%	20 min	Physical presence, Access to systems
Change water filters.Wellhead Pumpers · supplemental task	0.9%	L0	L0L0	4%	38 min	Physical presence, Access to systems
Inspect derricks, or order their inspection, prior to being raised or lowered.Derrick Operators, Oil and Gas	0.9%	L1	L1L1	15%	38 min	Physical presence, Accountability, Access to systems
Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.Rotary Drill Operators, Oil and Gas	0.9%	L1	L1L2	28%	2.8 h	Physical presence, Accountability, Access to systems
Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.Rotary Drill Operators, Oil and Gas	0.9%	L1	L1L1	15%	7.0 h	Physical presence, Accountability, Trust and care, Access to systems
Attach pumps and hoses to wellheads.Wellhead Pumpers · supplemental task	0.9%	L0	L0L0	4%	38 min	Physical presence, Accountability, Access to systems
Clean and oil pulleys, blocks, and cables.Rotary Drill Operators, Oil and Gas	0.8%	L0	L0L0	2%	50 min	Physical presence, Accountability, Access to systems
Mix acids, chemicals, or dry cement as required for a specific job.Wellhead Pumpers · supplemental task	0.8%	L0	L0L1	10%	45 min	Physical presence, Accountability, Access to systems
Operate pumps that circulate water, oil, or other fluids through wells to remove sand or other materials obstructing the free flow of oil.Service Unit Operators, Oil and Gas	0.8%	L0	L0L1	9%	3.5 h	Physical presence, Accountability, Access to systems
Examine unserviceable wells to determine actions to be taken to improve well conditions.Service Unit Operators, Oil and Gas · supplemental task	0.8%	L1	L1L2	38%	1.8 h	Physical presence, Accountability, Access to systems
Cut down and remove trees and brush to clear drill sites, to reduce fire hazards, and to make way for roads to sites.Roustabouts, Oil and Gas · supplemental task	0.8%	L0	L0L1	6%	8.0 h	Physical presence, Accountability, Access to systems
Clean up spilled oil by bailing it into barrels.Roustabouts, Oil and Gas · supplemental task	0.8%	L0	L0L0	2%	2.0 h	Physical presence, Accountability, Access to systems
Bolt together pump and engine parts, and connect tanks and flow lines.Rotary Drill Operators, Oil and Gas	0.8%	L0	L0L0	4%	1.5 h	Physical presence, Accountability, Access to systems
Select fishing methods or tools for removing obstacles such as liners, broken casing, screens, or drill pipe.Service Unit Operators, Oil and Gas	0.8%	L1	L1L2	40%	1.3 h	Physical presence, Accountability, Access to systems
String cables through pulleys and blocks.Derrick Operators, Oil and Gas	0.7%	L0	L0L0	2%	1.1 h	Physical presence, Accountability, Access to systems
Monitor sound wave-generating or detecting mechanisms to determine well fluid levels.Service Unit Operators, Oil and Gas · supplemental task	0.7%	L1	L2L1	35%	38 min	Physical presence, Access to systems
Set and bolt crown blocks to posts at tops of derricks.Derrick Operators, Oil and Gas	0.7%	L0	L0L0	4%	3.5 h	Physical presence, Accountability, Access to systems
Repair or replace defective parts of machinery, such as rotary drill rigs, water trucks, air compressors, and pumps, using hand tools.Rotary Drill Operators, Oil and Gas	0.7%	L0	L0L1	10%	1.8 h	Physical presence, Accountability, Access to systems
Line drilled holes with pipes, and install all necessary hardware, to prepare new wells.Rotary Drill Operators, Oil and Gas · supplemental task	0.7%	L0	L0L1	10%	26 h	Physical presence, Accountability, Access to systems
Position and prepare truck-mounted derricks at drilling areas specified on field maps.Rotary Drill Operators, Oil and Gas · supplemental task	0.7%	L0	L0L0	8%	1.0 h	Physical presence, Accountability, Access to systems
Insert detection instruments into wells with obstructions.Service Unit Operators, Oil and Gas · supplemental task	0.7%	L0	L0L0	6%	2.0 h	Physical presence, Accountability, Access to systems
Thread cables through derrick pulleys, using hand tools.Service Unit Operators, Oil and Gas	0.7%	L0	L0L0	2%	1.8 h	Physical presence, Accountability, Access to systems
Perforate well casings or sidewalls of boreholes with explosive charges.Service Unit Operators, Oil and Gas · supplemental task	0.6%	L0	L0L1	12%	2.8 h	Physical presence, Accountability, Access to systems
Apply green technologies or techniques, such as the use of coiled tubing, slim-hole drilling, horizontal drilling, hydraulic fracturing, or gas lift systems.Service Unit Operators, Oil and Gas · supplemental task	0.6%	L1	L1L1	15%	6.0 h	Physical presence, Accountability, Access to systems
Operate specialized equipment to remove obstructions by backing off or severing pipes by chemical or explosive action.Service Unit Operators, Oil and Gas · supplemental task	0.6%	L0	L0L0	4%	3.5 h	Physical presence, Accountability, Trust and care, Access to systems
Close and seal wells no longer in use.Service Unit Operators, Oil and Gas	0.5%	L1	L1L2	21%	10 h	Physical presence, Accountability, Access to systems
Remove core samples during drilling to determine the nature of the strata being drilled.Rotary Drill Operators, Oil and Gas	0.5%	L0	L0L0	5%	1.4 h	Physical presence, Accountability, Access to systems
Locate and recover lost or broken bits, casings, and drill pipes from wells, using special tools.Rotary Drill Operators, Oil and Gas	0.5%	L0	L0L1	10%	7.0 h	Physical presence, Accountability, Access to systems
Cap wells with packers, or turn valves, to regulate outflow of oil from wells.Rotary Drill Operators, Oil and Gas · supplemental task	0.5%	L0	L0L0	5%	1.5 h	Physical presence, Accountability, Access to systems
Plug observation wells, and restore sites.Rotary Drill Operators, Oil and Gas · supplemental task	0.4%	L1	L1L1	12%	8.0 h	Physical presence, Accountability, Access to systems
Pour water into wells, or pump water or slush into wells to cool drill bits and to remove drillings.Earth Drillers, Except Oil and Gas · supplemental task	0.4%	L0	L0L0	4%	25 min	Physical presence, Access to systems
Start, stop, and control drilling speed of machines and insertion of casings into holes.Earth Drillers, Except Oil and Gas	0.4%	L0	L0L0	4%	52 min	Physical presence, Accountability, Access to systems
Regulate air pressure, rotary speed, and downward pressure, according to the type of rock or concrete being drilled.Earth Drillers, Except Oil and Gas	0.4%	L0	L0L1	12%	20 min	Physical presence, Access to systems
Operate controls to stabilize machines and to position and align drills.Earth Drillers, Except Oil and Gas	0.4%	L0	L0L0	4%	22 min	Physical presence, Accountability, Access to systems
Operate machines to flush earth cuttings or to blow dust from holes.Earth Drillers, Except Oil and Gas	0.4%	L0	L0L0	2%	25 min	Physical presence, Accountability, Access to systems
Select and attach drill bits and drill rods, adding more rods as hole depths increase, and changing drill bits as needed.Earth Drillers, Except Oil and Gas	0.4%	L0	L0L1	6%	22 min	Physical presence, Access to systems
Verify depths and alignments of boring positions.Earth Drillers, Except Oil and Gas	0.4%	L1	L1L1	18%	30 min	Physical presence, Accountability, Access to systems
Record drilling progress and geological data.Earth Drillers, Except Oil and Gas	0.4%	L1	L1L2	32%	40 min	Physical presence, Accountability, Access to systems
Document geological formations encountered during work.Earth Drillers, Except Oil and Gas	0.3%	L1	L1L2	32%	25 min	Physical presence, Accountability, Access to systems
Drive or guide truck-mounted equipment into position, level and stabilize rigs, and extend telescoping derricks.Earth Drillers, Except Oil and Gas	0.3%	L0	L0L0	4%	22 min	Physical presence, Accountability, Access to systems
Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.Earth Drillers, Except Oil and Gas	0.3%	L0	L0L1	6%	1.5 h	Physical presence, Accountability, Access to systems
Select the appropriate drill for the job, using knowledge of rock or soil conditions.Earth Drillers, Except Oil and Gas	0.3%	L2	L2L2	58%	38 min	Accountability, Access to systems
Drive trucks, tractors, or truck-mounted drills to and from work sites.Earth Drillers, Except Oil and Gas	0.3%	L0	L0L0	3%	52 min	Physical presence, Accountability, Access to systems
Create and lay out designs for drill and blast patterns.Earth Drillers, Except Oil and Gas · supplemental task	0.3%	L2	L2L2	60%	2.8 h	Physical presence, Accountability, Access to systems
Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.Earth Drillers, Except Oil and Gas	0.3%	L0	L0L1	10%	1.8 h	Physical presence, Accountability, Access to systems
Operate water-well drilling rigs and other equipment to drill, bore, and dig for water wells or for environmental assessment purposes.Earth Drillers, Except Oil and Gas · supplemental task	0.3%	L0	L0L1	6%	8.0 h	Physical presence, Accountability, Access to systems
Fabricate well casings.Earth Drillers, Except Oil and Gas · supplemental task	0.3%	L0	L0L1	6%	1.8 h	Physical presence, Accountability
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.Earth Drillers, Except Oil and Gas · supplemental task	0.3%	L1	L1L2	25%	2.3 h	Physical presence, Accountability, Access to systems
Place and install screens, casings, pumps, and other well fixtures to develop wells.Earth Drillers, Except Oil and Gas · supplemental task	0.3%	L0	L0L1	10%	8.0 h	Physical presence, Accountability, Access to systems
Review client requirements and proposed locations for drilling operations to determine feasibility, and to determine cost estimates.Earth Drillers, Except Oil and Gas · supplemental task	0.3%	L2	L2L2	60%	3.0 h	Accountability, Access to systems
Drill or bore holes in rock for blasting, grouting, anchoring, or building foundations.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L0	L0L1	12%	2.3 h	Physical presence, Accountability, Access to systems
Inspect core samples to determine nature of strata, or take samples to laboratories for analysis.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L1	L1L1	15%	45 min	Physical presence, Access to systems
Withdraw drill rods from holes, and extract core samples.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L0	L0L0	4%	52 min	Physical presence, Accountability, Access to systems
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.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	4%	1.1 h	Physical presence, Accountability, Access to systems
Signal crane operators to move equipment.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L0	L0L0	4%	15 min	Physical presence, Accountability, Trust and care, Access to systems
Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L1	L1L2	30%	1.8 h	Physical presence, Accountability, Access to systems
Measure depths of drilled blast holes, using weighted tape measures.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	4%	16 min	Physical presence, Accountability, Access to systems
Perform pumping tests to assess well performance.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L1	L1L2	30%	6.0 h	Physical presence, Accountability, Access to systems
Disinfect, reconstruct, and redevelop contaminated wells and water pumping systems, and clean and disinfect new wells in preparation for use.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L0	L0L1	12%	7.0 h	Physical presence, Accountability, Access to systems
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.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L1	10%	3.5 h	Physical presence, Accountability, Access to systems
Design well pumping systems.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L2	L2L2	68%	3.0 h	Accountability, Access to systems
Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	4%	55 min	Physical presence, Accountability, Access to systems
Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	2%	38 min	Physical presence, Accountability, Trust and care, Access to systems
Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	5%	45 min	Physical presence, Accountability, Access to systems
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.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	4%	30 min	Physical presence, Accountability, Trust and care, Access to systems
Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L2	L2L2	48%	1.8 h	Physical presence, Accountability, Access to systems
Retract augers to force discharge dirt from holes.Earth Drillers, Except Oil and Gas · supplemental task	0.2%	L0	L0L0	2%	5 min	Physical presence, Access to systems
Verify detonation of charges by observing control panels, or by listening for the sounds of blasts.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L1	L1L1	18%	10 min	Physical presence, Accountability, Access to systems
Compile and keep gun and explosives records in compliance with local and federal laws.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L2	L2L2	62%	52 min	Physical presence, Accountability, Access to systems
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.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	2%	22 min	Physical presence, Accountability, Access to systems
Drive trucks to transport explosives and blasting equipment to blasting sites.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L0	4%	1.8 h	Physical presence, Accountability, Access to systems
Move and store inventories of explosives, loaded perforating guns, and other materials, according to established safety procedures.Explosives Workers, Ordnance Handling Experts, and Blasters	0.2%	L0	L0L2	18%	1.5 h	Physical presence, Accountability, Access to systems
Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L0	4%	22 min	Physical presence, Accountability, Access to systems
Maintain inventory levels, ordering new supplies as necessary.Explosives Workers, Ordnance Handling Experts, and Blasters	0.1%	L2	L2L2	55%	1.3 h	Physical presence, Accountability, Access to systems
Create and lay out designs for drill and blast patterns.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L2	L2L2	60%	2.8 h	Accountability, Access to systems
Document geological formations encountered during work.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L1	L1L2	38%	38 min	Physical presence, Accountability, Access to systems
Operate machines to flush earth cuttings or to blow dust from holes.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L0	4%	20 min	Physical presence, Accountability, Access to systems
Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L0	4%	2.3 h	Physical presence, Accountability, Access to systems
Signal crane operators to move equipment.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L0	4%	12 min	Physical presence, Accountability, Trust and care, Access to systems
Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.Explosives Workers, Ordnance Handling Experts, and Blasters	0.1%	L0	L0L1	6%	1.8 h	Physical presence, Accountability, Access to systems
Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L0	2%	20 min	Physical presence, Accountability, Access to systems
Cut specified lengths of primacord and attach primers to cord ends.Explosives Workers, Ordnance Handling Experts, and Blasters	0.1%	L0	L0L0	4%	15 min	Physical presence, Accountability, Access to systems
Retrieve lost equipment from bore holes, using retrieval tools and equipment.Earth Drillers, Except Oil and Gas	0.1%	L0	L0L1	12%	3.5 h	Physical presence, Accountability, Access to systems
Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.Explosives Workers, Ordnance Handling Experts, and Blasters	0.1%	L0	L0L1	8%	1.5 h	Physical presence, Accountability, Access to systems
Clean, gauge, and lubricate gun ports.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L1	5%	45 min	Physical presence, Accountability, Access to systems
Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.Explosives Workers, Ordnance Handling Experts, and Blasters · supplemental task	0.1%	L0	L0L1	10%	1.5 h	Physical presence, Accountability, Access to systems

Level: consensus of the two models (the lower level when they disagree). Share: part of the task’s working time an agent could take over. Human time: minutes a competent person needs for one instance, as estimated by the models.

Against other measures

Exposure is not delegation

Measure	Value	Percentile
ADI (this index)	7.0%	12
Eloundou et al. (2024), GPT exposure β	0.046	8
Felten et al. (2021), AI occupational exposure	-1.096	16
Webb (2020), AI patent exposure	56.971	51
Eisfeldt et al. (2026), generative AI exposure	0.021	15
Anthropic Economic Index, observed use	0	16

Earlier indices measure whether AI can touch a task; ADI measures how much of it an agent can carry out from a goal. – : the source does not cover this occupation.

Same sub-major group (81)

Neighbouring occupations

Occupation	ADI	%
Photographic products machine operators 8132		30.4
Chemical products plant and machine operators 8131		19.9
Stationary plant and machine operators not elsewhere classified 8189		17.5
Steam engine and boiler operators 8182		17.3
Cement, stone and other mineral products machine operators 8114		16.5
Bleaching, dyeing and fabric cleaning machine operators 8154		13.5
Plastic products machine operators 8142		11.8
Metal processing plant operators 8121		9.8
Glass and ceramics plant operators 8181		9.1
Food and related products machine operators 8160		8.8
Rubber products machine operators 8141		6.5
Metal finishing, plating and coating machine operators 8122		5.5

Dashed line: well drillers and borers and related workers (7.0%).

Cite this record

Text

Espinal Maya, Cristian, and Santiago Jiménez Londoño. 2026. ADI v2026.1: Agent Delegability Index data, code and MCP server. Zenodo. https://doi.org/10.5281/zenodo.23552918. Record: Well drillers and borers and related workers (ISCO-08 8113), https://balamlabs.org/adi/occupations/8113

BibTeX

@misc{espinal2026adidata,
  title     = {{ADI} v2026.1: Agent Delegability Index data, code and {MCP} server},
  author    = {Espinal Maya, Cristian and Jim{\'e}nez Londo{\~n}o, Santiago},
  year      = {2026},
  publisher = {Zenodo},
  version   = {v2026.1},
  doi       = {10.5281/zenodo.23552918},
  url       = {https://doi.org/10.5281/zenodo.23552918},
  note      = {Record: Well drillers and borers and related workers (ISCO-08 8113)}
}

Machine-readable

The same record as static JSON, with its citation: /adi/v2026.1/isco/8113.json.

Compare with another occupation How it is measured