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tool pusher - correct answer ✔✔contractors’ top manager on drill site, responsible for rigs overall
operation and performance. Makes sure crew drills well to operators’ specifications (aka rig
superintendent or rig manager)
driller - correct answer ✔✔subordinate only to tool pusher, operates drilling machinery, manages day to
day activities of the derrick hand and rotary helpers
derrick hand - correct answer ✔✔looks after the mud pumps and sometimes monitors and records the
conditions of mud, they handle the pipe from a platform on top of the derrick
rotary helpers - correct answer ✔✔handle the bottom of the pipe on the rig floor when pipe is removed
from or put into the hole (aka floorhands or roughnecks)
roustabouts - correct answer ✔✔assist in loading and unloading equipment and supplies delivered by
boat to the rig, on land rigs they're called lease hands
company representative - correct answer ✔✔representative representative of the operator on the
drilling location. Responsible for issues on location such as safety and efficiency
contract - correct answer ✔✔agreement between the operator and the contractor that spells out what
each is expected to do and provide to drill the well to specifications
footage contract - correct answer ✔✔operator agrees to pay the contractor a certain amount for each
foot drilled. Riskier for the contractor because the operator pays the contractor certain amount
regardless of the time it takes
daywork contract - correct answer ✔✔most common, operator pays the contractor an amount per day
to use the rig, regardless of how much work the rig is performing, paid by hour not by foot
, turnkey contract - correct answer ✔✔requires the operator to pay the drilling contractor an agreed
amount when the well is finished. The contractor will furnish all equipment, materials, and people
needed to drill, operator assumes all financial risk
combination agreement - correct answer ✔✔combines payment agreements. Ex: paid by footage to a
certain depth and then by day rate below that depth
hoisting system - correct answer ✔✔hoists drill pipe in and out of hole, support drill and keeps it in
tension, consists of: derrick (posts), draw-works (spool and crank), drilling line (rope), crown block (fixed
atop derrick/mast), traveling block (moves up and down)
derrick - correct answer ✔✔permanent A-frame structure with legs that sit on the corners of the rig
floor
crown block - correct answer ✔✔sits atop the derrick and never moves
traveling block - correct answer ✔✔moves up and down the center of the derrick, lifts and lowers drill
strings
drilling line - correct answer ✔✔made of wound steel wire, runs from supply reel to crown block
through sheaves, goes down to traveling blocks and wraps around sheaves, weaves several times to
increase strength, anchored at draw works drum
draw works - correct answer ✔✔one of the largest and heaviest equipment on a drilling rig. houses the
drum which drilling line is wrapped
rotating system - correct answer ✔✔includes all the equipment that turns the bit. consists of: swivel,
kelly, rotary table, top drive, drill pipe, drill collars and bit
swivel - correct answer ✔✔hangs from drilling hook on bottom of traveling block, supports drill bit,
conduit for drilling fluid, allows for everything bellow to rotate