AT330118B - Exzentrisches bohrwerkzeug - Google Patents

Exzentrisches bohrwerkzeug

Info

Publication number
AT330118B
AT330118B AT1008471A AT1008471A AT330118B AT 330118 B AT330118 B AT 330118B AT 1008471 A AT1008471 A AT 1008471A AT 1008471 A AT1008471 A AT 1008471A AT 330118 B AT330118 B AT 330118B
Authority
AT
Austria
Prior art keywords
drilling tool
eccentric drilling
eccentric
tool
drilling
Prior art date
Application number
AT1008471A
Other languages
English (en)
Original Assignee
Sandvik Ab
Atlas Copco Ab
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 Sandvik Ab, Atlas Copco Ab filed Critical Sandvik Ab
Application granted granted Critical
Publication of AT330118B publication Critical patent/AT330118B/de

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
AT1008471A 1970-11-27 1971-11-23 Exzentrisches bohrwerkzeug AT330118B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16078/70A SE346354B (de) 1970-11-27 1970-11-27

Publications (1)

Publication Number Publication Date
AT330118B true AT330118B (de) 1976-06-10

Family

ID=20301699

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1008471A AT330118B (de) 1970-11-27 1971-11-23 Exzentrisches bohrwerkzeug

Country Status (15)

Country Link
US (1) US3753470A (de)
JP (1) JPS5125401B1 (de)
AT (1) AT330118B (de)
AU (1) AU471984B2 (de)
BE (1) BE775881A (de)
BR (1) BR7107874D0 (de)
CA (1) CA966116A (de)
CH (1) CH568471A5 (de)
FI (1) FI55559C (de)
FR (1) FR2115421B1 (de)
GB (1) GB1366495A (de)
IT (1) IT941173B (de)
NO (1) NO134342C (de)
SE (1) SE346354B (de)
ZA (1) ZA717492B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409373A1 (fr) * 1977-11-21 1979-06-15 Stenuick France Dispositif de forage de trous dans le sol, comportant un marteau pneumatique equipe d'un taillant excentre
JPS55142891A (en) * 1979-04-23 1980-11-07 Toyosaku Shibata Pneumatic impact machine
SE421551B (sv) * 1980-03-26 1982-01-04 Sandvik Ab Borrverktyg for rotations- och/eller slagborrning
SE454196C (sv) * 1983-09-23 1991-10-24 Jan Persson Jord- och bergborrningsanordning foer samtidig borrning och infodring av borrhaalet
ES8702198A1 (es) * 1985-12-31 1987-01-01 Sanchez Velasco Vicente Aparato para la obtencion de cavidades anulares en el fondo de taladros practicados sobre paramentos de cualquier tipo
SE460141B (sv) * 1986-02-24 1989-09-11 Santrade Ltd Borrverktyg foer rotations- och/eller slagborrning innefattande en excentrisk rymmare samt rymmare ingaaende i ett saadant borrverktyg
GB2216926B (en) * 1988-04-06 1992-08-12 Jumblefierce Limited Drilling method and apparatus
SE8901199L (sv) * 1989-04-05 1990-10-06 Uniroc Ab Excentrisk borrkrona
US4962822A (en) * 1989-12-15 1990-10-16 Numa Tool Company Downhole drill bit and bit coupling
SE467632B (sv) * 1990-01-17 1992-08-17 Uniroc Ab Borrverktyg foer slaaende och roterande borrning under samtidig neddrivning av ett foderroer
US5009271A (en) * 1990-07-16 1991-04-23 Milan Maric Drill assembly
US6325162B1 (en) 1997-12-04 2001-12-04 Halliburton Energy Services, Inc. Bit connector
US6920944B2 (en) * 2000-06-27 2005-07-26 Halliburton Energy Services, Inc. Apparatus and method for drilling and reaming a borehole
US6213226B1 (en) 1997-12-04 2001-04-10 Halliburton Energy Services, Inc. Directional drilling assembly and method
SE526511C2 (sv) * 2004-04-07 2005-09-27 Atlas Copco Rotex Ab Oy Anordning vid verktyg för sänkborrning med pilotborrkrona, rymmare och styrkropp
NO329445B1 (no) * 2008-04-29 2010-10-25 Statoilhydro Asa Toppfreseverktoy
DE102008028997B4 (de) 2008-06-20 2012-03-01 Dr. Sven Becker und Dr. Michael Bahns GbR (vertretungsberechtigter Gesellschafter: Dr. Sven Becker, 30655 Hannover) Bohrverfahren und Bohrgerät zur Herstellung eines Bohrlochs in Erde und Gestein
GB2465505C (en) 2008-06-27 2020-10-14 Rasheed Wajid Electronically activated underreamer and calliper tool
CA2680894C (en) 2008-10-09 2015-11-17 Andergauge Limited Drilling method
GB2486898A (en) 2010-12-29 2012-07-04 Nov Downhole Eurasia Ltd A downhole tool with at least one extendable offset cutting member for reaming a bore

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1065294A (en) * 1911-11-15 1913-06-17 Hydraulic Drilling Company Well-boring tool.
US1515819A (en) * 1922-12-27 1924-11-18 John A Zublin Rotary well drill
US1745650A (en) * 1927-10-19 1930-02-04 Grant John Expanding roller underreamer
US1776611A (en) * 1927-11-12 1930-09-23 Swan M Akeyson Rotary underreamer
US1805806A (en) * 1930-03-07 1931-05-19 Grant Expanding reaming or cutting tool
US2382725A (en) * 1942-12-09 1945-08-14 Patco Inc Rotary underreamer
FR1468681A (fr) * 1965-02-19 1967-02-10 Inst Francais Du Petrole Outil d'alésage des puits forés dans le sol
US3416616A (en) * 1967-03-01 1968-12-17 Skanska Cementgjuteriet Ab Deep drills with eccentric bits
SE325005B (de) * 1968-10-16 1970-06-22 Atlas Copco Ab

Also Published As

Publication number Publication date
SE346354B (de) 1972-07-03
AU3622371A (en) 1973-05-31
ZA717492B (en) 1972-10-25
IT941173B (it) 1973-03-01
GB1366495A (en) 1974-09-11
US3753470A (en) 1973-08-21
FR2115421B1 (de) 1974-05-10
NO134342B (de) 1976-06-14
CH568471A5 (de) 1975-10-31
FR2115421A1 (de) 1972-07-07
DE2157314B2 (de) 1973-01-11
CA966116A (en) 1975-04-15
DE2157314A1 (de) 1972-06-15
NO134342C (de) 1976-09-22
JPS5125401B1 (de) 1976-07-30
FI55559C (fi) 1979-08-10
BR7107874D0 (pt) 1973-02-22
AU471984B2 (en) 1976-05-13
FI55559B (fi) 1979-04-30
BE775881A (fr) 1972-03-16

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time