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IPC-Stelle: E21B 1/00 Hauptgruppe [Version 2024.01 (aktuell), Sprache EN - English]

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Hierarchielinien

DEKLA-Gruppen

Symbol		Titel
A Hierarchieinformationen		HUMAN NECESSITIES
B Hierarchieinformationen		PERFORMING OPERATIONS; TRANSPORTING
C Hierarchieinformationen		CHEMISTRY; METALLURGY
D Hierarchieinformationen		TEXTILES; PAPER
E Hierarchieinformationen		FIXED CONSTRUCTIONS
E01 Hierarchieinformationen		BUILDING
E01 Hierarchieinformationen		CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
E02 Hierarchieinformationen		HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
E03 Hierarchieinformationen		WATER SUPPLY; SEWERAGE
E04 Hierarchieinformationen		BUILDING
E05 Hierarchieinformationen		LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
E06 Hierarchieinformationen		DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
E21 Hierarchieinformationen		EARTH OR ROCK DRILLING; MINING
E21 Hierarchieinformationen		EARTH OR ROCK DRILLING; MINING
E21B Hierarchieinformationen		EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS [5]
E21B 1/00		Methods or apparatus for drilling
E21B 1/00 Hierarchieinformationen		Percussion drilling [1, 3, 2006.01]
E21B 1/02 Hierarchieinformationen		. Surface drives for drop hammers, e.g. with a cable [1, 7, 2006.01]
E21B 1/04 Hierarchieinformationen		. . Devices for reversing the movement of the rod or cable at the surface [1, 2006.01]
E21B 1/12 Hierarchieinformationen		. with a reciprocating impulse member (E21B 1/02, E21B 1/38 take precedence) [7, 2006.01]
E21B 1/14 Hierarchieinformationen		. . driven by a rotating mechanism [7, 2006.01]
E21B 1/16 Hierarchieinformationen		. . . with spring-mounted reciprocating masses, e.g. with air cushion [7, 2006.01]
E21B 1/18 Hierarchieinformationen		. . . . with elastic joining of the drive to the push-rod by double buffer springs [7, 2006.01]
E21B 1/20 Hierarchieinformationen		. . . formed as centrifugal hammers [7, 2006.01]
E21B 1/22 Hierarchieinformationen		. . driven by electromagnets [7, 2006.01]
E21B 1/24 Hierarchieinformationen		. . the impulse member being a piston driven directly by fluid pressure [7, 2006.01]
E21B 1/26 Hierarchieinformationen		. . . by liquid pressure [7, 2006.01]
E21B 1/28 Hierarchieinformationen		. . . . working with pulses [7, 2006.01]
E21B 1/30 Hierarchieinformationen		. . . by air, steam or gas pressure [7, 2006.01]
E21B 1/32 Hierarchieinformationen		. . . . working with pulses [7, 2006.01]
E21B 1/34 Hierarchieinformationen		. . . . . the impulse member being a piston of an internal-combustion engine [7, 2006.01]
E21B 1/36 Hierarchieinformationen		. Tool-carrier piston type, i.e. in which the tool is connected to an impulse member [7, 2006.01]
E21B 1/38 Hierarchieinformationen		. Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member [7, 2006.01]
E21B 3/00 Hierarchieinformationen		Rotary drilling [1, 3, 2006.01]
E21B 4/00 Hierarchieinformationen		Drives for drilling, used in the borehole [3, 2006.01]
E21B 6/00 Hierarchieinformationen		Drives for drilling with combined rotary and percussive action [3, 2006.01]
E21B 7/00 Hierarchieinformationen		Special methods or apparatus for drilling [1, 7, 2006.01]
E21B 10/00		Drilling tools
E21B 10/00 Hierarchieinformationen		Drill bits (specially adapted for deflecting the direction of boring E21B 7/08; with means for collecting substances E21B 27/00) [3, 2006.01]
E21B 11/00 Hierarchieinformationen		Other drilling tools [1, 2006.01]
E21B 12/00 Hierarchieinformationen		Accessories for drilling tools [3, 2006.01]
E21B 15/00		Other equipment or details for drilling; Well equipment or well maintenance
E21B 15/00 Hierarchieinformationen		Supports for the drilling machine, e.g. derricks or masts [1, 7, 2006.01]
E21B 17/00 Hierarchieinformationen		Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings [1, 2006.01]
E21B 19/00 Hierarchieinformationen		Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables [1, 2006.01]
E21B 21/00 Hierarchieinformationen		Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor (freeing objects stuck in boreholes by flushing E21B 31/03) [1, 2, 7, 2006.01]
E21B 23/00 Hierarchieinformationen		Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (setting of casings, screens or liners E21B 43/10) [1, 2006.01]
E21B 25/00 Hierarchieinformationen		Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors (core bits E21B 10/02) [1, 2006.01]
E21B 27/00 Hierarchieinformationen		Containers for collecting or depositing substances in boreholes or wells, e.g. bailers for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits [1, 6, 2006.01]
E21B 28/00 Hierarchieinformationen		Vibration generating arrangements for boreholes or wells, e.g. for stimulating production (for transmitting measuring-signals E21B 47/14; for geophysical measurements G01V 1/02) [6, 2006.01]
E21B 29/00 Hierarchieinformationen		Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground [1, 2006.01]
E21B 31/00 Hierarchieinformationen		Fishing for or freeing objects in boreholes or wells [1, 2006.01]
E21B 33/00 Hierarchieinformationen		Sealing or packing boreholes or wells [1, 2006.01]
E21B 34/00 Hierarchieinformationen		Valve arrangements for boreholes or wells [3, 2006.01]
E21B 35/00 Hierarchieinformationen		Methods or apparatus for preventing or extinguishing fires [1, 2006.01]
E21B 36/00 Hierarchieinformationen		Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones [3, 2006.01]
E21B 37/00 Hierarchieinformationen		Methods or apparatus for cleaning boreholes or wells (E21B 21/00 takes precedence) [1, 2006.01]
E21B 40/00 Hierarchieinformationen		Tubing catchers, automatically arresting the fall of oil-well tubing [1, 2006.01]
E21B 41/00 Hierarchieinformationen		Equipment or details not covered by groups E21B 15/00-E21B 40/00 [1, 2006.01]
E21B 43/00		Obtaining fluids from wells [3]
E21B 43/00 Hierarchieinformationen		Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (applicable only to water E03B) [1, 2006.01]
E21B 44/00		Automatic control [3]
E21B 44/00 Hierarchieinformationen		Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions [3, 2006.01]
E21B 45/00		Surveying or testing
E21B 45/00 Hierarchieinformationen		Measuring the drilling time or rate of penetration [1, 2006.01]
E21B 47/00 Hierarchieinformationen		Survey of boreholes or wells (monitoring pressure or flow of drilling fluid E21B 21/08) [1, 2006.01, 2012.01]
E21B 49/00 Hierarchieinformationen		Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells [1, 2006.01]
E21C Hierarchieinformationen		MINING OR QUARRYING
E21D Hierarchieinformationen		SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS (soil-conditioning or soil-stabilising materials C09K 17/00; cutting machines for mining or quarrying E21C; safety devices, transport, rescue, ventilation or drainage E21F) [2, 6]
E21F Hierarchieinformationen		SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS [2]
E99 Hierarchieinformationen		SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
F Hierarchieinformationen		MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G Hierarchieinformationen		PHYSICS
H Hierarchieinformationen		ELECTRICITY

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