ZA80247B - Method and device in earth cutting - Google Patents

Method and device in earth cutting

Info

Publication number
ZA80247B
ZA80247B ZA00800247A ZA80247A ZA80247B ZA 80247 B ZA80247 B ZA 80247B ZA 00800247 A ZA00800247 A ZA 00800247A ZA 80247 A ZA80247 A ZA 80247A ZA 80247 B ZA80247 B ZA 80247B
Authority
ZA
South Africa
Prior art keywords
earth cutting
earth
cutting
Prior art date
Application number
ZA00800247A
Other languages
English (en)
Inventor
B Liljekvist
A Persson
Original Assignee
Sandvik 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 filed Critical Sandvik Ab
Publication of ZA80247B publication Critical patent/ZA80247B/xx

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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Saccharide Compounds (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
ZA00800247A 1979-02-02 1980-01-15 Method and device in earth cutting ZA80247B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7900922A SE463110B (sv) 1979-02-02 1979-02-02 Saett och anordning foer stigortsdrivning

Publications (1)

Publication Number Publication Date
ZA80247B true ZA80247B (en) 1980-12-31

Family

ID=20337181

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00800247A ZA80247B (en) 1979-02-02 1980-01-15 Method and device in earth cutting

Country Status (9)

Country Link
US (2) US4274496A (sv)
AU (1) AU530254B2 (sv)
BR (1) BR8000584A (sv)
CA (1) CA1115263A (sv)
DE (1) DE3001788C2 (sv)
NO (2) NO154202C (sv)
SE (1) SE463110B (sv)
ZA (1) ZA80247B (sv)
ZM (1) ZM1080A1 (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE454793B (sv) * 1983-07-01 1988-05-30 Sandvik Ab Borrulle med lutande axel
SE459436B (sv) * 1985-10-11 1989-07-03 Sandvik Ab Borrhuvud och skaerrulle avsedd att anvaendas vid detta
USRE34167E (en) * 1985-10-11 1993-01-26 Santrade Limited Drill bit and roller cutter for said drill bit
US5366029A (en) * 1993-04-09 1994-11-22 Beck Iii August H Large shaft over-reamer apparatus and method
US5485888A (en) * 1993-05-17 1996-01-23 R. H. Woods, Ltd. Spherical reaming bit
US5413183A (en) * 1993-05-17 1995-05-09 England; J. Richard Spherical reaming bit
US5520257A (en) * 1994-12-05 1996-05-28 Baker Hughes Incorporated Bit with ball plug compensator having pressure relief means
US5598895A (en) * 1995-01-19 1997-02-04 Atlas Copco Robbins Inc. Cutter assembly having a plurality of independently rotatable cutting units thereon
US6367569B1 (en) * 2000-06-09 2002-04-09 Baker Hughes Incorporated Replaceable multiple TCI kerf ring
DE10150685B4 (de) * 2001-10-17 2007-06-14 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH Arbeitskopf mit veränderbarem Schneidabstand der Schneidrollen für eine Vorrichtung zum Vortreiben von Strecken, Tunneln oder dergleichen
US6857488B2 (en) 2003-01-31 2005-02-22 Robert X. Pastor Boring head cutter
US8899339B2 (en) * 2008-02-29 2014-12-02 Exxonmobil Upstream Research Company Systems and methods for regulating flow in a wellbore
EP3268570B1 (en) 2015-03-12 2019-05-08 Palmieri S.p.A. Excavating head
ES2684098T3 (es) 2015-06-01 2018-10-01 Sandvik Intellectual Property Ab Cabezal de perforación para perforación rotatoria
US10119335B2 (en) 2016-02-18 2018-11-06 Baker Hughes Incorporated Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
US10519720B2 (en) 2016-02-18 2019-12-31 Baker Hughes, A Ge Company, Llc Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
CN111577308B (zh) * 2020-05-07 2021-02-26 中国矿业大学 一种适用于全地质岩体掘进用智能混合破岩机构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2047112A (en) * 1932-05-23 1936-07-07 Chicago Pneumatic Tool Co Earth boring drill
US3203492A (en) * 1963-01-14 1965-08-31 Dresser Ind Large hole earth boring drill bit
DE1805336A1 (de) * 1968-10-25 1970-05-14 Edelstahlwerk J C Soeding & Ha Bohrgeraet
AU4834168A (en) * 1968-12-24 1970-06-25 Koken Sibul Kogyo Kabushikikaisha Abig hole drilling bit
US3659659A (en) * 1970-02-04 1972-05-02 Dresser Ind Large diameter bit with a replaceable stem
US3659660A (en) * 1970-04-10 1972-05-02 Dresser Ind Large diameter bit for shallow angle holes
US3726350A (en) * 1971-05-24 1973-04-10 Hughes Tool Co Anti-tracking earth boring drill
US3805901A (en) * 1972-08-10 1974-04-23 Ingersoll Rand Co Earth cutter assembly
US3858667A (en) * 1973-11-01 1975-01-07 Kennametal Inc Big hole cutter
US4142598A (en) * 1977-05-23 1979-03-06 Smith International, Inc. Two stage large diameter drill bit
DE2743825C2 (de) * 1977-09-29 1986-01-30 SKF GmbH, 8720 Schweinfurt Rollenmeißel
DE2841971A1 (de) * 1978-09-27 1980-04-10 Sandvik Gmbh Rollenmeissel mit schneidrollen

Also Published As

Publication number Publication date
NO800261L (no) 1980-08-04
DE3001788A1 (de) 1980-08-14
US4274496A (en) 1981-06-23
AU530254B2 (en) 1983-07-07
NO154202C (no) 1986-08-06
SE463110B (sv) 1990-10-08
US4399879A (en) 1983-08-23
SE7900922L (sv) 1980-08-03
ZM1080A1 (en) 1982-09-21
DE3001788C2 (de) 1984-02-16
AU5469680A (en) 1980-08-07
NO811713L (no) 1980-08-04
CA1115263A (en) 1981-12-29
BR8000584A (pt) 1980-10-21
NO154202B (no) 1986-04-28

Similar Documents

Publication Publication Date Title
JPS53131592A (en) Chemical cutting method and device being utilized in wells
JPS5413083A (en) Pipe cutting method and device
ZA80247B (en) Method and device in earth cutting
JPS5362643A (en) Cultivating method and device for planttsprout
JPS5641381A (en) Electrochemical milling method and device
JPS5663300A (en) Decontaminating method and device
JPS5684004A (en) Demodulating method and device
JPS54108062A (en) Explosionnproof pulverizing method and its device
GB2060166B (en) Sorting device and method
JPS52144102A (en) Method of and device for cutting ground
JPS56108133A (en) Method and device for character designation and formation
JPS5490816A (en) Method and device for making slit in stratum
IL58834A (en) Gemstone and method and device for cutting it
JPS5669001A (en) Cutting working method and its device
JPS5384280A (en) Cutting method and cutting device
JPS5634894A (en) Method and device for cutting edge
JPS5297346A (en) Cutting device and method
JPS54288A (en) Pipe cutting method and device
JPS5715908A (en) Cutting method and its device
JPS5645319A (en) Shearing method and its device
JPS5643724A (en) Method and device for semiconductorrwafer pecvvtreatment
ZA812279B (en) Method and means in earth drilling
JPS55136397A (en) Method and device for excavation in soft ground
GB2048744B (en) Can cutting apparatus and method
JPS53121282A (en) Cutting method and device