n
The blowhole of a whale.
n
(oil and gas production) The space contained between the centre well bore and any external tubing. Sometimes used for separated gas flow.
n
A confined aquifer containing groundwater under positive pressure.
n
A bore-hole drilled in an artesian basin to produce an artificial artesian well.
n
Synonym of artesian well
n
A bore-hole in an artesian basin.
n
A hydraulic fitting consisting of a perforated hollow bolt, or internally relieved bolt, and a spherical union for fluid transfer.
n
The protective device around the valve of a gas cylinder
n
The hole into which a blasting charge is inserted
n
(computer hardware) A vertical opening in the top of a computer case that lets hot air (primarily from the CPU heat sink) escape quickly.
n
(oil industry) A device that sits at the surface interface of an oil well and prevents a blowout from occurring by closing the orifice, allowing material to flow from the oil reservoir out through the shaft.
n
A building containing a boiler.
n
A frame of wire netting over a locomotive chimney, to prevent escape of sparks.
n
(oil industry) Initialism of blowout preventer. [(oil industry) A device that sits at the surface interface of an oil well and prevents a blowout from occurring by closing the orifice, allowing material to flow from the oil reservoir out through the shaft.]
n
A capped well drilled to tap artesian water.
n
An area where bores or wells are drilled.
n
A hole bored into the ground to collect samples for analysis or to extract oil or water.
n
A well constructed by boring a vertical hole (often subsequently fitted with a casing).
n
(oil industry) A method of closing an oil well, by drilling a relief well to the bottom of the borehole of the blown-out well and pumping in heavy drilling fluid (synthetic mud) to counteract oil pressure and staunch the flow, then filling in the orifice to the oil reservoir with concrete (cement) to seal the blow-out and the relief wells.
n
(military) A land mine which, when activated, uses a small propellant charge to toss the main body of the mine up to approximately waist height before exploding, in order to more efficiently injure its target.
n
A device used to seal a subterranean well of hydrocarbons at a downhole location; may have removable features. Also known as a frac plug.
n
A hole in a vessel, such as a cask, that may be stopped with a bung.
n
Alternative form of burr hole [(surgery) A hole drilled into the cranium]
n
The process of covering a borehole in order to seal an oil well.
n
Misconstruction of artesian well [An aquifer in which water rises to the surface under its own hydrostatic pressure.]
n
(oil industry) A metal pipe used to line the borehole of a well.
n
Alternative spelling of corehole [The hole drilled to retrieve a core sample.]
n
The hole drilled to retrieve a core sample.
n
One of the bars which support the crown sheet of a steam-boiler furnace.
n
(engineering) A solid covering over a part of a fire grate, to prevent the entrance of air through that part.
n
(often attributive) A bored well controlled by a submersible pump.
n
A framework that is constructed over a mine or oil well for the purpose of boring or lowering pipes.
n
A worker on an oil rig, working on a raised platform from which they guide instruments in and out of the well.
adj
Occurring in the drilled bore of an oil well either underground or undersea.
n
A vertical shaft or well in which water flows downward.
n
A deep well from which water is lifted by a bucket on a rope
n
A fluid used to aid the drilling of boreholes, serving to provide hydrostatic pressure, to keep the drill bit cool and clean, and to suspend the drill cuttings.
n
A tube that is entirely below the water level of a boiler during operation.
n
(engineering) A hole drilled into the ground for oil or gas exploration which fails to yield enough oil or gas to justify the establishment of a well.
n
Initialism of draw-well. [A deep well from which water is lifted by a bucket on a rope]
n
a shower that heats water immediately before it is expelled, rather than drawing hot water from a tank
n
The arch over the dam of a blast furnace; the tymp arch.
n
(engineering) A hole through or into which something is fed.
n
(rail transport) An opening fitted with a door, giving access to the firebox of a steam locomotive, through which coal can be shovelled and the fire tended.
n
A hole at the back of a metallurgical furnace through which the slag is removed
n
A large-diameter pipe that carries oil from the seabed to a drilling rig.
n
A large, telescopic cylindrical tank, with a water seal, used for storing domestic gas
n
A high-viscosity lubricant intended for use on transmissions, transfer cases, and differentials in automobiles etc.
n
The stokehold on a coal-burning tramp steamer.
n
A weight which is dropped into a bore, as of an oil well, to explode a cartridge previously lowered.
n
An oil well that has a natural flow and so requires no pumping.
n
A small hole in a steam boiler for the insertion of the hand in cleaning, etc.
n
Alternative form of hand-hole [A small hole in a steam boiler for the insertion of the hand in cleaning, etc.]
n
Alternative form of headbolt heater [A form of block heater that consists of a hollow headbolt which contains an electric heating element.]
n
A device for distributing a suspension of solids in water to a machine at a constant rate, or for retarding the rate of flow, as to a top-feed filter, or for eliminating by overflow some of the finest particles.
n
A pump for pumping oil from an oil well.
n
A reel on which a hose is rolled up when it is not in use.
n
A hole where water leaks in.
n
In a pneumatic tire, the rubber liner that holds the air.
n
The refractory lining of the stack of a blast furnace; or the interior walls or lining of a shaft furnace.
n
(oil industry) A method to shut off a faulty blowout preventer (BOP) by injecting the BOP with material that will clog up the innards and result in a choking off of the hole.
n
(lasers) A transient column of vapor or plasma formed when using high energy beams, such as lasers, for welding or cutting.
n
A tub or vat for leaching ashes, bark, etc.
n
An extension of a steam boiler downward, in the form of a narrow space between vertical plates, sometimes nearly surrounding the furnace and ash pit, and serving to support the boiler; called also water leg.
n
A hole or duct giving access to a utility area for maintenance purposes.
n
(nautical) The detection and safe disposal of mines.
n
Any of a series of small wells (dimples in a flat surface) for holding liquid or for carrying out tests
n
A cap or cowl for a chimney or ventilation pipe.
n
(hydraulics) A contrivance for regulating the supply of water from an irrigation channel.
n
A kind of self-propelled excavator used to form underground drains, or to clear underground pipelines
n
(oil industry, drilling) The storage area on a drilling rig where the next joint of drilling pipe is held until needed.
n
A hole near the bottom of a steam boiler, through which the sediment is withdrawn.
n
A large structure used to house workers and machinery needed to drill and then produce oil and natural gas in the ocean.
n
Alternative form of oil well [A hole drilled into the earth from which petroleum is pumped.]
n
A component of a plumbing compression joint; a ring which is placed between the nut and the pipe and compressed during fastening to provide a seal.
n
The hole in a sink that prevents it overflowing by diverting excess water to the drain.
n
(in an oil well) The amount of force that must be exerted on a pipe to pull it upward, above and beyond its own weight, due to drag and other forces.
n
A trap in a waste pipe consisting of a U-bend followed by a 90-degree bend to the horizontal or near horizontal, so that the entire device is shaped like the letter P on its side.
n
(metallurgy) A high narrow tank with a central cylinder for the introduction of compressed air, used in the agitation and settling of pulp (pulverized ore and water) during treatment by the cyanide process.
n
(US) A ring of packing or a special device to render gastight and watertight the space between the tubing and bore of an oil well.
n
A sluice or pipe which allows the controlled flow of water from behind a dam, typically routing it to a turbine of a power plant.
n
Alternative spelling of pilot hole [A narrow hole drilled or punched into a surface, to facilitate the insertion of a wider screw, nail, drill bit, or other boring tool.]
n
(geology) A vertical conduit through the Earth's crust below a volcano through which magma has passed, often filled with volcanic breccia.
n
A device for putting a hole in a pipe.
n
The use of hydraulic jacks to push pipes through the ground behind a TBM or shield, commonly used to create tunnels under existing structures such as roads or railways.
n
A driveway that leads to multiple residences, often maintained or owned jointly by the residents along the driveway; a shared driveway.
n
Synonym of plumber's snake
n
(US) The ground-based drive for a submerged pump in an oil borehole.
n
(mining) A tube containing the train of powder for igniting the charge in blasting.
n
In an oil-drilling operation, the raising, disassembly and replacement of the drilling equipment.
n
Alternative form of sandpipe [A pipe conveying sand, as in a steam locomotive, where it deposits sand directly in front of the driving wheels to aid traction.]
n
A perpendicular cylindrical hollow, tapering to a point, occurring in chalk deposits, and usually filled with sand, gravel, or clay.
n
Alternative form of sand pump [A long cylinder with valved piston for use in drilling rocks.]
n
The polished bore of an oil well that accepts a seal assembly as part of a production packer.
v
To carry out a seismic survey with geophones in an attempt to detect oil.
n
An eyehole in a furnace, a boiler, etc.
n
A kind of wooden vane or cowl in a chimney which revolves according to the direction of the wind and prevents smoking.
n
The hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed.
n
A pin or peg used to stop the vent in a cask.
n
A conical structure at the base of a jack-up oil rig, providing stability.
n
A hole made when a stake is driven into the ground.
n
(dated) A loophole; evasion.
n
(oil industry) a method of closing an oil well, in which the blowout preventer has been tripped and has closed off oil flow; by pumping in drilling fluid (synthetic mud) through the blowout preventer down the borehole, to push down the artesian oil to contain the oil in its reservoir, and following with concrete (cement) to plug the hole
n
a rod with threaded ends, used as a stay in a boiler, firebox etc.
n
The aperture through which a furnace is fed or tended.
n
(oil industry) A column of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit.
n
A long sheet-metal pipe for a chimney top.
n
The act of one who tamps; specifically, the act of filling up a hole in a rock, or the branch of a mine, with earth, sand, or similar material in order to contain and direct explosive force meant to blast the rock or collapse the mine.
n
A tapering cylindrical pin or peg used to stop the vent in a cask.
n
(metallurgy) In a blast furnace, a hole which molten metal or slag is tapped off through.
n
The opening in a glass furnace through which fuel is introduced.
n
The gate of a mold, through which the melted metal is poured.
n
A strip of metal used in boiler-making, pierced with a series of holes, and serving as a guide in marking out a line of rivet-holes.
n
(physics, chemistry) A plate or tray in a distillation column that produces the best possible difference between the liquid and vapour phases in equilibrium with it; the equivalent concept in a fractionating column packed with beads or rings
n
A set of oil drilling pipes having three joints
n
A plate forming the lower front of the outer firebox of a locomotive boiler, below the barrel.
n
(oil industry) a method of closing an oil well, by pumping in drilling fluid (synthetic mud) to shut off the flow of oil, and following with concrete (cement) to plug the hole
n
Alternative spelling of touch hole [A small hole through which the propellant charge of a cannon or muzzleloading gun is ignited.]
n
A bend, sag, or other device in a waste-pipe arranged so that the liquid contents form a seal which prevents the escape of noxious gases, but permits the flow of liquids.
n
(engineering, mining) A method of sinking through water-bearing ground, in which the shaft is lined with tubbing and provided with an airlock, work being proceeded with under air pressure.
n
A well in which a stainless steel tube is bored directly down into an aquifer
n
A plate across the barrel of a boiler, containing many small holes to receive the firetubes.
n
Alternative form of tube well [A well in which a stainless steel tube is bored directly down into an aquifer]
n
A funnel used to create a siphonic break in a drainage system and/or provide visual indication of flow, usually in an overflow line.
n
A vessel with a broad mouth at one end, a pipe or tube at the other, for conveying liquor, fluids, etc., into casks, bottles, or other vessels; a funnel.
n
(engineering) A large machine used to excavate tunnels with a circular cross section.
adj
Describing a method of drilling for petroleum in which the pressure in the wellbore is kept lower than that of the formation being drilled, thus allowing fluid to enter the well as soon as it is found.
n
A small mudhole used for washing out a steam boiler, usually screwed into a taper thread, rather than being held by clamps.
n
(metalworking) A hollow core through which water may be passed.
n
The principal pipe, usually underground, for conveying water to residential and business properties.
n
(idiomatic) That which energizes or stimulates one.
n
The process of boring a hole deep into the ground for the purpose of extracting a natural resource, such as groundwater, brine, natural gas or crude oil.
n
The analysis and recording of the strata penetrated by the drill of an oil well as an aid to exploration.
n
The hole produced when drilling an oil or gas well.
n
A group of wells in an underground reservoir or aquifer.
n
A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes.
n
The construction of wells (holes sunk into the ground for water, oil, etc.).
n
The site where a well is located.
n
The lower, or bottom, pipe in a lift of pumps in a mine.
n
Any fan device, including those electrically powered, used in winnowing.
n
(oil industry) A wire that runs from a drill rig down into the drill hole to support a dead load or other downhole tool.
n
Any kind of oil well intervention involving invasive techniques, such as wireline or snubbing.
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