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drilling rig click to hear : drilling rig

All the drilling machinery and devices that are used to excavate and extract oil from the ground.
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See drilling rig in : french | spanish
mud injection hose anticline impervious rock oil gas engine substructure vibrating mudscreen lifting hook derrick crown block mud pump mud pit drilling drawworks swivel traveling block drill pipe drill collar bit rotary system rotary table kelly

mud injection hose click to hear : mud injection hose

Flexible hose that introduces the drilling mud into the swivel.

anticline click to hear : anticline

Geologic stratum that results from the convex folding of rock formations; large pools of oil often accumulate in it.

impervious rock click to hear : impervious rock

Layer of impermeable rock that covers and protects the oil deposit; it prevents hydrocarbons from migrating into other rocks.

oil click to hear : oil

Flammable, relatively viscous oily liquid that is used as an energy source; it is made up of various hydrocarbons resulting from the decomposition of plant life over millions of year.

gas click to hear : gas

Mixture of gaseous hydrocarbons (mainly methane) that are found in underground deposits, which sometimes also contain crude oil; it is used mainly as a fuel.

engine click to hear : engine

Device converting the combustion of fuel and air into mechanical energy.

substructure click to hear : substructure

Metal infrastructure that supports the derrick, engines and auxiliary equipment.

vibrating mudscreen click to hear : vibrating mudscreen

Perforated vibrating tray that is used to filter mud as it exits the well to remove debris and recycle the mud.

lifting hook click to hear : lifting hook

Steel part that is attached to the traveling block; it is used to support the swivel and the drill pipes.

derrick click to hear : derrick

Metal structure erected over an oil well; tools for drilling through rock are raised and lowered through it.

crown block click to hear : crown block

Mechanical device that is mounted on top of the derrick; it has several pulleys and, with the traveling block, it supports the drill pipes.

mud pump click to hear : mud pump

Device that circulates the mud in the drilling rig.

mud pit click to hear : mud pit

Basin that contains mud (a mixture of water, clay and chemical products) used mainly to cool and lubricate the bit and to remove debris.

drilling drawworks click to hear : drilling drawworks

Device that consists of a cylinder on which hoisting cables are wound; it is used to lower the drill pipes and bit into the well and to lift them out.

swivel click to hear : swivel

Piece attached to the lifting hook and the kelly; it is used to introduce mud into the drill pipe to cool and lubricate the bit.

traveling block click to hear : traveling block

Movable mechanical device with pulleys; it is attached by cable to the crown block and fitted with a lifting hook.

drill pipe click to hear : drill pipe

Hollow steel rods that are joined together according to the depth of the excavation; their rotation activates the bit.

drill collar click to hear : drill collar

Heavy steel tube immediately above the bit that applies a certain weight to the bit to help it cut into the rock.

bit click to hear : bit

Rotating drill bit with toothed steel or diamond wheels; it bores into rock to break it up and drill a hole.

rotary system click to hear : rotary system

Drilling device in which a kelly is attached to a rotary table; with the help of powerful motors, it transmits the rotative movement to the kellys.

rotary table click to hear : rotary table

Circular table that is moved by powerful motors; it transmits its rotative movement to the drill pipes by means of the kelly.

kelly click to hear : kelly

Special square rod that is screwed to the top of the drill pipes and driven by the rotary table.