IT1308825B1 - Punta a getto d'aria per la perforazione del terreno con elementifresanti non sfalsati. - Google Patents

Punta a getto d'aria per la perforazione del terreno con elementifresanti non sfalsati.

Info

Publication number
IT1308825B1
IT1308825B1 IT1999TO000219A ITTO990219A IT1308825B1 IT 1308825 B1 IT1308825 B1 IT 1308825B1 IT 1999TO000219 A IT1999TO000219 A IT 1999TO000219A IT TO990219 A ITTO990219 A IT TO990219A IT 1308825 B1 IT1308825 B1 IT 1308825B1
Authority
IT
Italy
Prior art keywords
perforation
land
air jet
jet point
staggered elements
Prior art date
Application number
IT1999TO000219A
Other languages
English (en)
Inventor
Ted M Ley
Brian K Smith
William L Debo
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of ITTO990219A1 publication Critical patent/ITTO990219A1/it
Application granted granted Critical
Publication of IT1308825B1 publication Critical patent/IT1308825B1/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
IT1999TO000219A 1998-03-23 1999-03-22 Punta a getto d'aria per la perforazione del terreno con elementifresanti non sfalsati. IT1308825B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/046,160 US6227315B1 (en) 1998-03-23 1998-03-23 Air jet earth-boring bit with non-offset cutters

Publications (2)

Publication Number Publication Date
ITTO990219A1 ITTO990219A1 (it) 2000-09-22
IT1308825B1 true IT1308825B1 (it) 2002-01-11

Family

ID=21941939

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999TO000219A IT1308825B1 (it) 1998-03-23 1999-03-22 Punta a getto d'aria per la perforazione del terreno con elementifresanti non sfalsati.

Country Status (3)

Country Link
US (1) US6227315B1 (it)
BE (1) BE1013516A5 (it)
IT (1) IT1308825B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2895013C (en) 2012-12-14 2019-07-02 Atlas Copco Secoroc Llc Rotary drill bit

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US930759A (en) 1908-11-20 1909-08-10 Howard R Hughes Drill.
US2320137A (en) 1941-08-12 1943-05-25 Archer W Kammerer Rotary drill bit
US2682389A (en) 1949-07-20 1954-06-29 Engineering Lab Inc Roller rock bit
US2717762A (en) 1951-10-23 1955-09-13 James M Mcgregor Well drilling apparatus
US3195660A (en) 1962-04-05 1965-07-20 George M Mckown Drilling bit
US3268018A (en) * 1963-10-14 1966-08-23 Smith Tool Co Air or gas circulation rock bit anticontamination valve
US3788408A (en) * 1970-04-20 1974-01-29 Dresser Ind Rock bit water deflector and separator
US3823789A (en) 1973-05-18 1974-07-16 Smith International Drill bit center jet
US3844363A (en) * 1973-06-11 1974-10-29 E Williams Drill tool
US4068731A (en) 1976-11-17 1978-01-17 Smith International, Inc. Extended nozzle and bit stabilizer and method of producing
US4245710A (en) * 1978-07-03 1981-01-20 Hughes Tool Company Centrifugal water-air separation in earth drilling bits
US4293048A (en) * 1980-01-25 1981-10-06 Smith International, Inc. Jet dual bit
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
SE423644B (sv) * 1980-09-26 1982-05-17 Sandvik Ab Anordning for smorjning ab bergborrkronor
US4582149A (en) 1981-03-09 1986-04-15 Reed Rock Bit Company Drill bit having replaceable nozzles directing drilling fluid at a predetermined angle
US4427081A (en) * 1982-01-19 1984-01-24 Dresser Industries, Inc. Rotary rock bit with independently true rolling cutters
US4687067A (en) 1986-05-01 1987-08-18 Smith International, Inc. Crossflow rotary cone rock bit with extended nozzles
US4706765A (en) * 1986-08-11 1987-11-17 Four E Inc. Drill bit assembly
CN2056188U (zh) 1989-05-19 1990-04-18 石油大学(华东) 一种用于钻探钻头的加长喷管射流装置
US5012876A (en) 1990-02-01 1991-05-07 Dresser Industries, Inc. Rotary drill bit providing separation of liquid from gas
US5497841A (en) 1991-03-14 1996-03-12 William Mohlenhoff Methods for coring a masonry wall
US5351768A (en) 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5606895A (en) * 1994-08-08 1997-03-04 Dresser Industries, Inc. Method for manufacture and rebuild a rotary drill bit
US5439068B1 (en) * 1994-08-08 1997-01-14 Dresser Ind Modular rotary drill bit
US5601153A (en) 1995-05-23 1997-02-11 Smith International, Inc. Rock bit nozzle diffuser
US5853055A (en) * 1996-06-27 1998-12-29 Smith International, Inc. Rock bit with an extended center jet

Also Published As

Publication number Publication date
US6227315B1 (en) 2001-05-08
ITTO990219A1 (it) 2000-09-22
BE1013516A5 (fr) 2002-03-05

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