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Drill pipe that transmits drilling fluid
A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive
Drill_string
Aid for drilling boreholes into the ground
engineering, drilling fluid, also known as drilling mud or drilling slurry, is used to aid the drilling of boreholes into the earth. Used while drilling oil and
Drilling_fluid
Method of drilling through ice
weight onto the drill string. The earliest scientific ice drilling expedition used percussion drilling; Louis Agassiz used iron rods to drill holes in the
Ice_drilling
Mechanical device on a drilling rig that drives or locks the drill string
device on a drilling rig that provides clockwise (as viewed from above) rotational force to the drill string to facilitate the process of drilling a borehole
Rotary_table_(drilling_rig)
Practice of drilling non-vertical bores
driven by the hydraulic power of drilling mud circulated down the drill string) became common. These allowed the drill bit to continue rotating at the
Directional_drilling
Specialized valve
of oil and gas. As the well is drilled, drilling fluid, called mud, is fed through the drill string down to the drill bit, the blade, and returns up the
Blowout_preventer
Rotary table Drill floor Bell nipple Blowout preventer (BOP) Annular type Blowout preventer (BOP) Pipe ram & blind ram Drill string Drill bit Casing head
List of components of oil drilling rigs
List_of_components_of_oil_drilling_rigs
Drill specifically designed to remove a cylinder of material
the drill string to lock back onto the cutting head. This is particularly useful for drill holes more than 30 ft deep as otherwise the whole string of
Core_drill
block and crown block to facilitate the lowering and lifting of the drill string into and out of the wellbore. On larger diameter lines, traveling block
Drill_line
Drilling term
trip" or simply "Making a trip") is the physical act of pulling the drill string out of the wellbore and then running it back in. This is done by physically
Tripping_(pipe)
operation used in the oil and gas industry, when the drill string becomes stuck downhole and prevents the drill rig from operating. Pipe recovery is the process
Pipe_recovery_operations
Sikes in 1938, and has not changed significantly. The bulk of the drill string is drill pipe which has a nominal length of 9.6 meter per pipe section, however
Driller's_depth
Piping used on drilling rigs
Eventually the drill pipe will be graded as scrap and marked with a red band. Drill pipe is a portion of the overall drill string. The drill string consists
Drill_pipe
Part of a drilling rig drive system
attached drill string turn while the polygonal pipe is free to slide vertically in the bushing as the bit digs the well deeper. When drilling, the drill bit
Kelly_drive
Jackhammer-like tip for drilling deep into rock
down-the-hole drill, usually called DTH by most professionals, is basically[tone] a jackhammer screwed on the bottom of a drill string. The fast hammer
Down-the-hole_drill
the driller & assistant driller; handles the top end of drill string on round trips. Dog-House: Room on drill floor with Knowledge box and Driller's paper
Glossary_of_oilfield_jargon
Part on a drilling vessel
A drill string compensator decreases the influence of the heave of a drilling vessel on the drill bit. Drill string compensators are also known under
Drill_string_compensator
The drill floor is the heart of any drilling rig. This is the area where the drill string begins its trip into the earth. It is traditionally where joints
Drill_floor
Mechanical device used to turn a drill string
top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the
Top_drive
Using a drilling rig to bore holes for petroleum extraction in deep sea
riser allows for drilling fluids to move between the floor and the rig. Engineers lower a drill string – a series of pipes designed to drill down to the oil
Deepwater_drilling
Machine used in underground mining
diameter of the excavation, is attached to the drill string and raised back towards the machine. The drill cuttings from the reamer head fall to the floor
Raise_borer
Ring-shaped void in a well
the drill string and the sides of the glass representing the formation. While drilling, drilling fluid is pumped down the inside of the drill string and
Annulus_(well)
Earth's deepest borehole, Murmansk, Russia
after drilling resumed; on 27 September 1984, after drilling to 12,066 metres (39,587 ft), a 5-kilometre (3.1 mi) section of the drill string twisted
Kola_Superdeep_Borehole
Well drilled to extract crude oil and/or gas
To drill the well The rotating drill bit, aided by the weight of the drill string above it, cuts into the rock. There are different types of drill bits;
Oil_well
drive, that provides the ability for the kelly (and subsequently the drill string) to rotate while allowing the traveling block to remain in a stationary
Swivel_(drill_rig)
Slips is a device used to grip and hold the upper part of a drill string to the drill floor on an oil rig. The slips are constructed as a collection of
Slips_(oil_drilling)
the drill string rotation) which the tool responds to, and gradually steers into the desired direction. In other words, a tool designed to drill directionally
Rotary_steerable_system
Kind of motor used in drilling
A mud motor (or drilling motor) is a progressive cavity positive displacement pump (PCPD) placed in the drill string to provide additional power to the
Mud_motor
Drilling rig component
component of a drilling rig. It is the lowest part of the drill string, extending from the bit to the drill pipe. The assembly can consist of drill collars,
Bottom_hole_assembly
Part of a borehole drill string assembly
A drilling stabilizer is a piece of downhole equipment used in the bottom hole assembly (BHA) of a drill string. It mechanically stabilizes the BHA in
Drilling_stabilizer
Technique used to drill long horizontal wells
Challenges in ERD are hole cleaning, managing the mechanical loads on the drill string and downhole pressure, and cost. Early ERD-well definitions related wells
Extended_reach_drilling
Oil-exploratory borehole in Washita County, Oklahoma, United States
drilling hit a molten sulfur deposit, which solidified around the drill string, causing the drill pipe to twist-off and a loss of the bottom-hole assembly. The
Bertha_Rogers_Borehole
primarily in the oil industry for gripping the drill string while assembling or reassembling parts of the string. The spider is normally operated hydraulically
Tubing_spider
Technique of geological core drilling
wear during the drilling process, so as to expose more diamonds. The bit is mounted onto a core barrel, that is attached to the drill string, which is connected
Exploration_diamond_drilling
Uncontrolled release of crude oil and/or natural gas from a well
natural gas would travel up the well at a high rate, forcing out the drill string and creating a gusher. A well which began as a gusher was said to have
Blowout_(well_drilling)
Tool used to create holes
ends of the string to the ends of a stick (a bow), allowed a user to drill quicker and more efficiently. Mainly used to create fire, bow-drills were also
Drill
Drilling component
called a drilling mud pump) is a reciprocating piston or plunger pump used to circulate drilling fluid under high pressure down a drill string and back
Mud_pump
and sells a broadband networked drilling string system used to transmit downhole information to the surface in a drilling operation. The IntelliServ network
IntelliServ
Machine component found in many power transmission applications
wrench-tightened, these can be very tight. In drilling, a drill collar consists of a heavy pipe above the drill bit in a drill string. Shaft collars can be found in
Shaft_collar
Loss of drilling fluid
well to be drilled. Dry drilling can also cause severe damage to the drill string, including snapping the pipe, or damage to the drilling rig itself.
Lost_circulation
Pipe inserted into a borehole
sticking the drill string or forming large caverns. Provides a strong upper foundation to allow use of high-density drilling fluid to continue drilling deeper
Casing_(borehole)
Method of installing underground utilities
all. Tooling, as in the mechanical apparatus that are installed to the drill string to conduct operations, are available in a wide number of different shapes
Directional_boring
Subset of petroleum engineering
strings and cementing plans, directional drilling plans, drilling fluids programs, and drill string and drill bit programs Specifying equipment, material
Drilling_engineering
device). This device is run inside the drill string attached to a wire on a wireline unit, down to the bottom of the drill pipe where the device (which is simply
Deviation_survey
to the traveling block, allowing the drill string to be moved up and down as the drum turns. The segment of drill line from the drawworks to the crown
Drawworks
Oilfield equipment manufacturer and distributor
blowout preventers, control systems, riser string packages, choke valves, riser tensioners, and drill string compensators. In 1922, William D. Shaffer
Shaffer_(company)
Topics referred to by the same term
pre-electronic telephone switch Rotary table (drilling rig), a device used to apply directional force to a drill string Rotary tiller, a motorised cultivator
Rotary
Blowout preventer for oil wells
Engineering Landmark in 2003. While drilling an oil or gas well, the top of the wellbore is lined with a casing. The drill string runs through the casing. The
Cameron ram-type blowout preventer
Cameron_ram-type_blowout_preventer
Well drilling technique
seal that diverts produced fluids to a separator while allowing the drill string to continue rotating. If the formation pressure is relatively high, using
Underbalanced_drilling
Flexible structure made from fibers twisted together
drill), as well as for fishing lines and nets, clothing, shelter-making materials, bow string, sutures, traps, and countless other uses. Bow drills,
String
Procedure used in oil well drilling
Measurement while drilling (MWD) refers to directional-drilling measurements (e.g., for decision support for the wellbore path). Initial attempts to provide
Measurement_while_drilling
Management of oil wells
of units link. The capacity of drill string is an essential issue in oil well control. The capacity of drillpipe, drill collars or hole is the volume of
Oil_well_control
flow of drilling fluid through the system and down the drill string. The Kelly hose has a diameter of 3-5 inches (inside diameter). "Drilling terms: Kelly
Kelly_hose
Oilfield services and equipment provider
drilling string system used to transmit data between measurement equipment located in the bottom hole assembly at the bottom of a drill string and surface
Grant_Prideco
Cylindrical sample drilled from an ice sheet
agents. Rotary drilling is the main method of drilling for minerals and it has also been used for ice drilling. It uses a string of drill pipe rotated from
Ice_core
Drilling tool of prehistoric origin operated by the cord of a bow
A bow drill is a simple hand-operated type of tool, consisting of a rod (the spindle or drill shaft) that is set in rapid rotary motion by means of a
Bow_drill
Person who sits atop the derrick on a drilling rig
stands of drill pipe, typically 90 feet (27 meters) long, into the fingers at the top of the derrick while tripping (removing the drill string) out of the
Derrickhand
control weighted drilling fluid solid content. Prevent differential pressure sticking, adhesion stuck drill accident, reduce the drill string and the filter
Mud_cleaner
collars) to facilitate the lifting or lowering of them singly or of the drill string as a whole. In practical use elevators are highly stressed components
Elevators_(drilling_rig)
Technique used in oil and gas operations to prevent influx of fluids into a wellbore
(up/down) the drill string acts as a large piston, when moving down it increases the pressure below the drill string and forces the drilling fluid into the
Well_control
Motion compensation on the vertical axis
buffered by a volume of gas. Examples of heave compensators include: Drill string compensators Riser tensioners Conductor tensioners Guideline tensioners
Heave_compensation
Ocean drilling research program between 1968–1983
bit, the drill string must be raised, a new bit attached, and the string remade down to the bottom. However, the crew had to thread this string back into
Deep_Sea_Drilling_Project
Power tool
hammer drill, also known as a percussion drill or impact drill, is a power tool used chiefly for drilling in hard materials. It is a type of rotary drill with
Hammer_drill
Device used on an offshore drilling vessel
other end is connected to the riser. On board a drill rig tensioners are usually required for drill string compensator, riser tensioner, and guideline tensioner
Marine_riser_tensioner
Japanese drill ship
during deep water drilling. The maximum drilling water depth for riser drilling is 2,500 m (8,200 feet) and can support a drill string up to 10,000 m (33
Chikyū
Topics referred to by the same term
Connection string, a string that specifies information about a data source and the means of connecting to it Casing string Drill string Production string Brock
String_(disambiguation)
Ship built in 1978
hardware is now the standard drill-in casing system to establish a single casing string for deep sediment penetration. Scientists drill the ocean floor to access
JOIDES_Resolution
Topics referred to by the same term
weakly electric fish JAR (file format), Java ARchive file Drilling jar, part of a well drill string Jarawa language (Nigeria) (ISO 639-3 code) Jar, a Procter
Jar_(disambiguation)
Topics referred to by the same term
building. It may also refer to: Elevators (drilling rig), a device used for lifting the drill string on a drilling rig Elevator (aeronautics), a control surface
Elevator_(disambiguation)
Detailed record of borehole contents
and to make further drilling and production decisions. Wireline logging is performed by lowering a 'logging tool' - or a string of one or more instruments
Well_logging
Excavation or structure to provide access to groundwater
900 metres (3,000 ft).[citation needed] Rotary drilling machines use a segmented steel drilling string, typically made up of 3m (10ft), 6 m (20 ft) to
Well
Creation of a detailed record of a borehole
rate (quantity of fluid being pumped), pump pressure, weight on bit, drill string weight, rotary speed, rotary torque, RPM (Revolutions per minute), SPM
Mud_logging
In drilling technology, casing string is a long section of connected oilfield pipes that is lowered into an wellbore and cemented in place. The purpose
Casing_string
Technique used to reduce the influence of waves upon lifting and drilling operations
system and dissipate them or reapply them later. Shock absorbers or drill string compensators are simple forms of PHC, so simple that they are normally
Passive_heave_compensation
Study of properties of soil earthworks
imply, the T-bar is a cylindrical bar attached at right angles to the drill string forming what look likes a T, the ball is a large sphere, and the plate
Geotechnical_investigation
Former offshore oil drilling rig
semi-submersible offshore drilling rig owned by Transocean and operated by the BP company. On 20 April 2010, while drilling in the Gulf of Mexico at the
Deepwater_Horizon
Era in history
Oil well (Oil well drilling, Oil Driller), Well drilling (Drilling), Drilling rig (Wellhead, Drill string), Oil platform, Drillship, Oil well Dog House
Age_of_Oil
Sub-field of engineering concerned with human-made structures in the sea
hydrocarbon reservoirs, with some differences in the types of testing. The drill string consists of a series of pipe segments 5 inches (13 cm) in diameter screwed
Offshore geotechnical engineering
Offshore_geotechnical_engineering
rods came later. Like the cable tool system, pole-tool drilling used the weight of the drill string pounding into the ground from a wooden derrick to make
History of the petroleum industry in Canada
History_of_the_petroleum_industry_in_Canada
Marine research program between 1985–2003
allowed for deeper drilling, more sophisticated laboratory analysis, and the ability to withstand more difficult environments. The drill string installed onboard
Ocean_Drilling_Program
Mud volcano in the subdistrict of Porong, East Java, Indonesia
Brantas PSC area by drilling a borehole named the "Banjar-Panji 1 exploration well". In the first stage of drilling, the drill string first went through
Sidoarjo_mud_flow
Very thick layer of rock inside Earth
vertical drilling string of 10,062 m (33,011 ft). The previous record was held by the U.S. vessel Glomar Challenger, which in 1978 drilled to 7,049.5
Upper_mantle
Concept in oil and gas exploration
than the drillers depth. The differences between loggers and drillers depths are due to different stretch in the drilling string when drilling, and the
Depth_in_a_well
movement in only one direction. Examples of heave compensators include: Drill string compensators, typically used in the offshore oil and gas industry Riser
Motion_compensator
Life in the deep subsurface of the Earth
off multiple sections of a drill hole using "packers", rubber tubes that inflate to seal the space between the drill string and the wall of the borehole
Deep_biosphere
Type of stationery/fastener
orthogonal to the string. They are threaded through holes in paper or card made with a hole punch or lawyers bodkin or electric drill, and the cross-pieces
Treasury_tag
Long metal pipe used in oil and gas wells
through the drilling derrick on the oil platform, which is used to support the surface equipment, although on platforms with no drilling facilities a
Coiled_tubing
for special applications, such as within concrete structures, well drilling string, pipeline structures and so on. Ji, Qing; Ho, Michael; Zheng, Rong;
Stress_wave_communication
and embarrasses him. Later, Kemumaki and Hattori get into a fight on a string of a kite. But they compromise and land on a tree using the kite technique
List of Ninja Hattori-kun episodes
List_of_Ninja_Hattori-kun_episodes
American bassist (born 1979)
He is the former bassist for death metal bands Asylum, Vile and Brain Drill and the current bassist for Six Feet Under and Reciprocal. He has released
Jeff_Hughell
Award winners for journalism
collapse." Political Reporting David Fahrenthold The Washington Post "for a string of stories on matters Presidential candidate Donald Trump had long sought
List of George Polk Award winners
List_of_George_Polk_Award_winners
Mechanical problem during well drilling
In many cases the drilling fluid (mud) weight is reduced, thus relieving the pressure difference and releasing the stuck pipe string. Should this option
Differential_sticking
William was caught on camera dancing daggy dad moves in a Swiss nightclub; String theory and physics (with Brian Greene); a short history of the Australian
List of The Weekly with Charlie Pickering episodes
List_of_The_Weekly_with_Charlie_Pickering_episodes
Cambrian era rock formation in the southeast United States
cubic feet (230,000 to 280,000 m3) of gas per day. Dominion cemented the drill string in the hole by trying to hang cement at the top of the hole. The cement
Conasauga_shale
Drinking Joel Marks (producer); Lillian Spina; cast: Tracey Gold c-30m 1989 String Trio (Gateway Film) c-9m March 22, 1956 The Strings Traugott Rohner c-11m
List_of_Coronet_Films_films
Kozan (21-year-old dancer) Season 6, 2016: WildArt (Timotej & Lenart) (string duo) Season 7, 2018: Tjaša Dobravec (24-year-old pole art dancer) Season
List of reality television show franchises (A–G)
List_of_reality_television_show_franchises_(A–G)
works by sending high frequency resonant vibrations down the drill string to the drill bit, while the operator controls these frequencies to suit the
Theory_of_sonics
of Federación Obrera, he also gathers some Guardia Civil commanders. A string of new telephone calls with Madrid follows, also with general Pozas 3 AM
Timeline of the Spanish July 1936 coup
Timeline_of_the_Spanish_July_1936_coup
History of drilling through ice sheets and glaciers
ice drilling began in 1840, when Louis Agassiz attempted to drill through the Unteraargletscher in the Alps. Rotary drills were first used to drill in
History_of_ice_drilling
Hydropneumatic drilling device
the template. Drill string compensator Riser tensioner Hydraulic jigger Hyne, Norman J (1991). Dictionary of Petroleum Exploration, Drilling & Production
Guideline_tensioner
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