F-Term-List

E21B1/00-19/24;44/00-44/10

AA00
OBJECT TO BE DRILLED

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA09

AA10

. Underwater

. starting from ground

. Slopes or inclines

. Rock

. . Cobblestone or boulder stone layers

. Concretes

. Paving

. Horizontal excavation

. Directional excavation

. Special objects to be drilled (FW)

AB00
USE

AB01

AB02

AB04

AB05

AB06

AB07

AB08

AB09

. Oil or gas well drilling

. Water wells or hot springs

. Shafts

. Tunnels

. Pipe burying

. Drainage holes

. Injection holes

. for rock bolts

AB13

AB14

AB16

AB17

AB18

AB20

. Blasting holes

. Rock crushing

. for pile pits

. for pole erection

. for planting pits

. for anchors

AB21

AB22

AB23

AB25

AB26

AB27

AB30

. for soil improvements

. for grooves

. Prevention of soil collapse

. Investigations or detection

. . Prospecting or geological investigations

. . Exploration of buried objects or detection of obstacles

. Others (FW)

AC00
SHAPE OF HOLE

AC01

AC02

AC04

AC05

AC07

AC08

AC09

. Non-circular shapes e.g. ellipses or combined shapes

. . Polygons

. Multiple single holes

. Slit holes

. generating notches or cracks

. stepped

. bottoms being enlarged

BA00
PURPOSE

BA01

BA02

BA03

BA04

BA05

BA07

BA08

BA09

BA10

. Improvement of drilling accuracy

. Protection of hole walls

. Improvement of drilling efficiency

. . Friction or resistance reduction

. . Improvement of additional work efficiency

. Power saving or energy saving

. Operability

. Drilling

. Expansion

BA11

BA12

BA13

BA14

BA15

BA16

BA17

BA18

BA19

. Safety or alarms

. . specially characterised by alarm function

. . Protection of excavators

. . Personnel protection

. Monitoring or indication

. . specially characterised by indicating functions

. Maintenance of members

. . Exchange of members

. . Improvement of durability

BA21

BA22

BA23

BA25

BA26

BA27

BA28

BA30

. Environmental measures

. . Dust collection or dustproof

. . preventing noise or vibration

. Supervision or management of investigation design measuring or the like

. . Investigation

. . Measuring or detection

. . . sensing while drilling

. Others (FW)

BB00
METHOD

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

. Earth drilling methods

. Reverse circulation drilling methods

. All casing methods

. Earth auger methods

. . Working of cast-in-place piles

. . Working of prefabricated piles

. . . Inner excavation methods for prefabricated piles

. Bottom expansion methods (additionally classified in other piling methods)

BB11

BB12

BB14

BB15

BB16

BB18

BB20

. Underground continuous wall methods

. Deep mixing methods

. Deep foundation methods

. Raise boring methods or draw reaming

. Pre-supporting methods

. Bench cut methods

. characterised by other methods (FW)

CA00
CONTROL

CA01

CA02

CA03

CA04

CA05

CA06

. Purposes of control

. . Control of positions attitudes or tracks

. . Control of loads

. . automatic

. . Simultaneous control of plural devices

. . Remote control

CA11

CA12

CA13

CA14

CA15

CA16

CA17

CA18

CA19

. Control systems

. . Mechanical control

. . Hydraulic or pneumatic control

. . . Pilot systems

. . . Flow rates

. . . Pressure

. . Electric or electronic control

. . . inputting desired numerical values

. . . Control by programmes

CA21

CA22

CA23

CA24

CA25

CA26

CA27

CA28

CA29

CA30

. Elements of objects to be controlled

. . Valves

. . . Pressure control valves

. . . . Relief valves

. . . Flow control valves

. . . Directional control valves

. . Accumulators

. . Pumps

. . Motors

. . Engines

CA31

CA32

CA33

CA34

CA35

CA36

CA37

CA38

CA39

. Automatic control applied specially for rock drills

. . Motion control at drilling work

. . . Number pressure or directions of percussions

. . . Number pressure or directions of rotations

. . . Speeds pressure or directions of feed

. . . Motion adjustments at opening

. . Drilling patterns

. . . Correction of boom deviation

. . . Correction of carriage slip

CB00
DETECTED QUANTITY OR DETECTION

CB01

CB03

CB04

CB05

CB06

CB07

CB08

CB09

. Flow rates or flow speeds

. Pressure e.g. fluid pressure or soil pressure

. . Percussion pressure

. . Rotating pressure

. . Feed pressure

. Stresses forces or torques other than pressure

. Weights densities or specific gravities

. Hardness rigidity or strength

CB11

CB12

CB13

CB14

CB15

CB16

CB17

CB18

CB19

CB20

. Positions of drilling rigs or the like

. Angles or bearings or directions

. Amount of movement lengths distances heights depths or distortions

. Speeds velocities or accelerations

. Number of rotations number of percussions frequencies or number of times

. Temperatures

. Viscosities or concentrations

. Vibrations or waves

. Electric powers currents voltages or electric resistances

. Detection of presence or absence of rods

DA00
DRIVING MECHANISM

DA01

DA02

DA03

. by percussion means

. . by weights

. . by free fall

DA11

DA12

DA13

DA14

DA15

DA16

DA17

DA18

. by rotary means

. . Rotary drives on the surface

. . . Rotary tables

. . . connecting driving shafts with gears

. . . connecting driving shafts through swivels

. . . Spindle drives

. . Rotary drives in boreholes

. . by motors

DA21

DA22

DA23

DA24

DA26

DA27

DA28

. by rotary and percussion means

. . performing rotations and percussions by the same driving means

. . performing rotations and percussions by different driving means

. . Rotary or percussion drives in boreholes

. by propulsion means

. . self-propelled

. . having propulsion devices outside the holes

DB00
PERCUSSION GENERATION MECHANISM

DB01

DB02

DB03

DB05

DB06

DB07

DB08

DB09

. by liquid pressure

. . by valve operation

. . . by reciprocating valve operation

. by gas pressure

. by internal-combustion engines or electric motors

. by electromagnetic force

. having buffer mechanisms

. having additional functions

DC00
SUPPORTING MEANS OR CARRIAGE FOR DRILLING MEANS

DC01

DC02

DC03

DC04

DC05

DC07

DC08

DC09

. supported by leaders

. . Supporting means

. supported by booms

. . Supporting means

. by suspending

. supported by guides mounted to booms

. . Mounting means

. . Mounting of booms and guide shells of rock drills

DC11

DC12

DC13

DC14

DC15

DC16

DC17

. fixing supporting means to movable bases

. . Non-boarding carriages

. . Vehicle-type carriages

. . having plural drilling machines

. . . Drill jumbos

. . having pivoting mechanisms

. . Stability of vehicles e.g. outriggers

DC21

DC22

DC23

DC24

DC25

DC26

DC28

DC30

. portable or the like

. . legged

. supported by fixed objects on the surface

. Suspension support in boreholes

. mounting on piles sheet pile or stages

. . Pressing or withdrawing devices

. for inclines

. Tripods

DC31

DC32

DC33

DC34

DC35

DC36

DC37

. Operating or adjusting means for leaders or booms

. . changing angles of drilling rigs

. . . by supporting arms e.g. booms or arms

. . . by leaders

. . enlarging operation ranges

. . . having multi-articulated supporting arms

. . Undulation or storage mechanisms

DC41

DC42

DC43

DC44

DC45

DC46

DC47

DC48

. Guides

. . Supports or guides of boring rods

. . . Protectors or centralisers

. . . . using outside the holes

. . . . using in the holes

. . . . . of elastic members

. . . . . of rigid members

. . . Foot pads

DC51

DC52

DC53

DC54

. Feed mechanisms

. . Liquid-pressure cylinders

. . Chains or ropes

. . Screws

DC61

DC62

DC63

DC64

DC66

DC67

DC68

. Structures of drilling masts

. . collapsible

. . extensible

. . . of sliding type

. Masts for underwater drilling

. . on settled type marine platforms

. . on floating type marine platforms

EA00
CASING

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. Methods of pressing casings

. . by rotatively pressing

. . by swinging pressing

. . pressing only by pushing forces

. . pressing by vibrations or percussions

. . . Combinations of rotations swings vibrations or percussions

. Timing of pressing casings

. . pressing before drilling

. . pressing simultaneously with drilling

. . pressing after drilling

EA11

EA12

EA13

EA15

EA16

EA17

EA18

. performing inner excavation in casings

. . expanding below casings

. . hydraulically drilling in or below casings

. Arrangements of casings

. . by double casings

. . . Internal and external casings oppositely rotating

. . Triple or more casings

EA21

EA23

EA24

EA26

. Connections of casings

. Structures or shapes of casings

. . having projections in casings

. for manufactures or materials of casings

EB00
CONSTRUCTIONAL DETAIL OF DRILLING RIG

EB01

EB02

EB04

EB05

EB06

EB07

EB08

EB09

. Transmission mechanisms for driving forces

. . Speed-changing or retarding mechanisms

. Structures of drilling rods

. . Structures of rods for earth augers

. . . Shapes or alignment of blades

. . . having means for mud removal or hole wall levelling

. . Structures of rods for earth drilling

. . . Steadying

EB11

EB13

EB14

EB15

EB16

EB17

EB19

. Supporting devices for drilling blades

. Buckets

. . drilling by opening and closing

. . . Opening and closing structures

. . . . by cable operations

. . . . Hydraulic cylinders or rams

. having agitating members

EB21

EB22

EB23

EB24

EB25

EB26

EB27

EB29

. expanding drilling means (see viewpoint GA )

. . by vertical sliding

. . . along inclined guide members

. . . linked with vertical sliding members

. . by rotations

. . . expanding by bidirectional operations of drilling rods

. . . by rotations of eccentric bodies

. Chucks

EB31

EB32

EB34

EB35

EB36

EB38

EB39

EB40

. Lubricating devices

. Seal parts

. Hoses for fluids

. . holding or feeding hoses

. . . Hose reels or winding devices

. Accessories of drilling rigs

. . Man cages or platforms

. . having functions other than drilling rock or drilling

EC00
CONNECTION OF DRILLING RIG, PIPE OR CASING

EC01

EC02

EC03

EC04

EC05

EC06

EC07

. by abutments

. . connecting parts having the same shapes

. by engaging

. . by engaging and rotations

. . having recesses and protrusions for connections

. Connections by screws

. . Shapes of screws

EC11

EC12

EC13

EC14

EC15

EC17

EC18

EC19

. using connecting members e.g. pins or plates

. . by pins

. . by plates

. by joints

. . Male and female joints

. by welding

. by caulking

. by magnetic forces or other indirect means

EC21

EC22

EC23

EC24

EC25

EC26

EC27

EC28

EC30

. having power transmission mechanisms

. . Connections between rods and driving mechanisms

. Swivel joints

. . mounted tiltably or in tilting

. Seals

. . Metal seals

. . Elastic seals

. Riser pipes

. for manufacture or materials of connection parts

EC31

EC32

EC33

EC34

EC35

EC36

EC37

EC38

. Connection devices

. . Positioning devices

. . Delivery or supply devices

. . Storage devices

. . Disassembling or loosening devices

. . Suspending or lifting devices

. Connections of passages for fluids

. having locking means

FA00
USE OF FLUID

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

FA09

FA10

. using fluids at drilling

. . Drilling by fluids

. . . Liquid jets

. . . . Liquid jet nozzles rotating

. . . Jets of gases and liquids

. . . using both fluid jets and bits

. . . Tubes for drilling fluids

. for lubrication

. for cooling

. using fluids otherwise than at drilling

GA00
DRILL BIT

GA01

GA02

GA04

GA06

GA07

GA09

. Arrangements of bits

. Mountings or exchanges of bits to drilling rigs

. Detection of wears

. supplying lubricants

. having passages of fluids in bits

. Manufacture of bits

GA11

GA12

GA13

GA14

GA15

GA16

GA18

GA19

. Structures of core bits

. . Point blade parts

. . Cylinder parts

. by double tubes

. . characterised by internal tubes

. . characterised by external tubes

. Structures of roller bits

. . Tricone bits

GA21

GA22

GA23

GA25

GA27

GA28

GA29

GA30

. Structures of percussion or rotary percussion drill bits

. . point blade parts being three

. . point blade parts being cross type

. Structures of rotary drill bits

. Structures of auger bits

. . Alignment of teeth

. . Shapes of teeth

. . Mountings of teeth

GA31

GA32

GA33

GA34

. Expansion bits (The subject matter for an expansion mechanism is classified in viewpoint EB.)

. . having fixed expansion parts

. . expanding by fluids

. . expanding mechanically

GB00
WEAR-RESISTING MEMBER OR TIP

GB01

GB02

GB03

GB04

GB05

GB06

GB07

GB08

GB09

GB10

. Shapes of wear-resisting members

. . points being chisel type

. . points being spherical

. . points being disc type

. . rod-shaped or plate-shaped

. Materials of wear-resisting members

. . Diamonds

. . . Polycrystalline diamonds

. . Wear-resisting metals

. . Ceramics

GB11

GB12

GB13

GB14

GB15

GB16

GB17

. Mountings of wear-resisting members to bit bodies

. . Pressing

. . Sintering

. . Brazing

. . Mechanical fixing

. . Plating

. . Arrangements of tips

HA00
PRETREATMENT OR AFTER-TREATMENT FOR DRILLING

HA01

HA02

HA03

HA04

HA05

HA07

HA08

HA09

HA10

. Positioning

. Prevention of collapse of hole walls

. Obstacle detection or treatments

. Plans or designs

. . optimising entire works

. Cleaning means for drilling tools

. . Rotary bodies

. . Scrapers

. . Fluids

HB00
EARTH REMOVAL, OTHER TREATMENT AND ADDITIONAL WORK

HB01

HB02

HB03

HB04

HB05

HB06

HB07

HB08

. Earth removal or dust or cutting scrap removal

. . by fluids

. . . Liquid supply devices

. . . having other functions

. . by air

. . . Air supply devices

. . . Dust precipitators or dusting machines

. . using both liquids and air

HB12

HB13

HB14

HB15

HB17

HB18

HB20

. . by mechanical means

. . . by spiral means

. . . . by screws

. . crushing at discharging

. Treatments of surplus soil

. . Mud-water treatments

. without necessity of earth removal

JA00
APPLICATION OF INFORMATION TECHNOLOGY

JA01

JA05

. characterised by software

. characterised by communication or information transmission

2D129	EARTH DRILLING
	E21B1/00 -49/10