IT945443B - Trivella specialmente per terreni contenenti ghiaia e ciottoli - Google Patents

Trivella specialmente per terreni contenenti ghiaia e ciottoli

Info

Publication number
IT945443B
IT945443B IT54746/71A IT5474671A IT945443B IT 945443 B IT945443 B IT 945443B IT 54746/71 A IT54746/71 A IT 54746/71A IT 5474671 A IT5474671 A IT 5474671A IT 945443 B IT945443 B IT 945443B
Authority
IT
Italy
Prior art keywords
pebbles
soils containing
containing gravel
drill especially
drill
Prior art date
Application number
IT54746/71A
Other languages
English (en)
Original Assignee
Tone Boring Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tone Boring Co filed Critical Tone Boring Co
Application granted granted Critical
Publication of IT945443B publication Critical patent/IT945443B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/006—Mechanical motion converting means, e.g. reduction gearings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/003—Drill bits with cutting edges facing in opposite axial directions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
IT54746/71A 1971-05-13 1971-12-14 Trivella specialmente per terreni contenenti ghiaia e ciottoli IT945443B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46032014A JPS5025243B1 (it) 1971-05-13 1971-05-13

Publications (1)

Publication Number Publication Date
IT945443B true IT945443B (it) 1973-05-10

Family

ID=12346992

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54746/71A IT945443B (it) 1971-05-13 1971-12-14 Trivella specialmente per terreni contenenti ghiaia e ciottoli

Country Status (6)

Country Link
US (1) US3771611A (it)
JP (1) JPS5025243B1 (it)
DE (1) DE2162023C3 (it)
FR (1) FR2139797B1 (it)
GB (1) GB1342944A (it)
IT (1) IT945443B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1566432A (en) * 1976-10-09 1980-04-30 Atlow Mining Dev Consult Mining machine
DE3445492C2 (de) * 1984-02-25 1986-10-02 Turmag Turbo-Maschinen-AG Nüsse & Gräfer, 4322 Sprockhövel Bohrköpfe zum Bohren im Gestein
CH672908A5 (it) * 1986-04-15 1990-01-15 Bechem Hannelore
US4924951A (en) * 1989-01-13 1990-05-15 Paulson Roger W Manhole cutter
US5381868A (en) * 1993-10-08 1995-01-17 Triumph*Lor Inc Sealed bearing roller reamer
DE10321617A1 (de) * 2003-05-13 2004-12-16 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH Vorrichtung zur Herstellung eines Erdlochs
US8006783B2 (en) * 2009-03-26 2011-08-30 Longyear Tm, Inc. Helical drilling apparatus, systems, and methods
GB201201652D0 (en) 2012-01-31 2012-03-14 Nov Downhole Eurasia Ltd Downhole tool actuation
WO2016040664A1 (en) * 2014-09-10 2016-03-17 Tempress Technologies, Inc. Hypocycloid jet rotor and floating thrust bearing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1391626A (en) * 1920-04-27 1921-09-20 Richard J Bequette Drill-head for well-driling apparatus
DE881484C (de) * 1944-03-28 1953-06-29 Salzgitter Maschinen Ag Bohrturbine
GB712913A (en) * 1951-08-27 1954-08-04 Alexander Vellan Improvements in and relating to earth boring apparatus
US2821364A (en) * 1954-07-01 1958-01-28 Godfrey Grant Two-way bit
US3195661A (en) * 1959-10-15 1965-07-20 Gas Drilling Services Co Large bore hole drilling apparatus
US3072205A (en) * 1960-02-26 1963-01-08 Salem Tool Co Auger reaming head
US3285351A (en) * 1962-08-06 1966-11-15 Michael R Caro Drilling apparatus
US3232362A (en) * 1963-11-12 1966-02-01 Cullen Well drilling apparatus
DE1198765B (de) * 1963-12-30 1965-08-19 Gewerk Eisenhuette Westfalia Gewinnungs- oder Vortriebsmaschine mit schneidenden oder schlagenden rotierenden Werkzeugen
US3431989A (en) * 1967-07-31 1969-03-11 Willis D Waterman Planetary excavator

Also Published As

Publication number Publication date
FR2139797A1 (it) 1973-01-12
DE2162023A1 (de) 1972-11-30
US3771611A (en) 1973-11-13
FR2139797B1 (it) 1974-04-05
GB1342944A (en) 1974-01-09
DE2162023C3 (de) 1974-04-25
DE2162023B2 (de) 1973-09-06
JPS5025243B1 (it) 1975-08-22

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