IT941173B - DRILL ECCENTRIC TOOL - Google Patents

DRILL ECCENTRIC TOOL

Info

Publication number
IT941173B
IT941173B IT31231/71A IT3123171A IT941173B IT 941173 B IT941173 B IT 941173B IT 31231/71 A IT31231/71 A IT 31231/71A IT 3123171 A IT3123171 A IT 3123171A IT 941173 B IT941173 B IT 941173B
Authority
IT
Italy
Prior art keywords
eccentric tool
drill
drill eccentric
tool
eccentric
Prior art date
Application number
IT31231/71A
Other languages
Italian (it)
Original Assignee
Atlas Copco Ab
Sandvikens Jernverks 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 Atlas Copco Ab, Sandvikens Jernverks Ab filed Critical Atlas Copco Ab
Application granted granted Critical
Publication of IT941173B publication Critical patent/IT941173B/en

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)
IT31231/71A 1970-11-27 1971-11-17 DRILL ECCENTRIC TOOL IT941173B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT941173B true IT941173B (en) 1973-03-01

Family

ID=20301699

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31231/71A IT941173B (en) 1970-11-27 1971-11-17 DRILL ECCENTRIC TOOL

Country Status (15)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409373A1 (en) * 1977-11-21 1979-06-15 Stenuick France DEVICE FOR DRILLING HOLES IN THE SOIL, INCLUDING A PNEUMATIC HAMMER EQUIPPED WITH AN ECCENTER SIZE
JPS55142891A (en) * 1979-04-23 1980-11-07 Toyosaku Shibata Pneumatic impact machine
SE421551B (en) * 1980-03-26 1982-01-04 Sandvik Ab DRILLING TOOL FOR ROTATION AND / OR DRILLING
SE454196C (en) * 1983-09-23 1991-11-04 Jan Persson EARTH AND MOUNTAIN DRILLING DEVICE CONCERNING BORING AND LINING OF THE DRILL
ES8702198A1 (en) * 1985-12-31 1987-01-01 Sanchez Velasco Vicente Apparatus for the obtention of annular cavities at the bottom of drills made on surfaces of any kind.
SE460141B (en) * 1986-02-24 1989-09-11 Santrade Ltd DRILLING TOOL FOR ROTATION AND / OR SHIPPING DRILLING INCLUDING AN Eccentric Rifle AND RIDER INCLUDED IN SUCH A DRILLING TOOL
GB2216926B (en) * 1988-04-06 1992-08-12 Jumblefierce Limited Drilling method and apparatus
SE8901199L (en) * 1989-04-05 1990-10-06 Uniroc Ab Eccentric drill bit
US4962822A (en) * 1989-12-15 1990-10-16 Numa Tool Company Downhole drill bit and bit coupling
SE467632B (en) * 1990-01-17 1992-08-17 Uniroc Ab DRILLING TOOL FOR BATTING AND ROTATING DRILLING WHILE CONDUCTING A FEEDING PIPE
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
SE0400929L (en) * 2004-04-07 2005-09-27 Atlas Copco Rotex Ab Oy Device for lowering drilling tools with pilot drill bit, pusher and guide body
NO329445B1 (en) * 2008-04-29 2010-10-25 Statoilhydro Asa Toppfreseverktoy
DE102008028997B4 (en) 2008-06-20 2012-03-01 Dr. Sven Becker und Dr. Michael Bahns GbR (vertretungsberechtigter Gesellschafter: Dr. Sven Becker, 30655 Hannover) Drilling method and drill for making a well in soil and rock
GB2460096B (en) 2008-06-27 2010-04-07 Wajid Rasheed Expansion 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 (en) * 1965-02-19 1967-02-10 Inst Francais Du Petrole Tool for reaming wells drilled in the ground
US3416616A (en) * 1967-03-01 1968-12-17 Skanska Cementgjuteriet Ab Deep drills with eccentric bits
SE325005B (en) * 1968-10-16 1970-06-22 Atlas Copco Ab

Also Published As

Publication number Publication date
DE2157314A1 (en) 1972-06-15
NO134342C (en) 1976-09-22
GB1366495A (en) 1974-09-11
BR7107874D0 (en) 1973-02-22
CH568471A5 (en) 1975-10-31
BE775881A (en) 1972-03-16
JPS5125401B1 (en) 1976-07-30
FR2115421A1 (en) 1972-07-07
NO134342B (en) 1976-06-14
AT330118B (en) 1976-06-10
AU3622371A (en) 1973-05-31
US3753470A (en) 1973-08-21
SE346354B (en) 1972-07-03
AU471984B2 (en) 1976-05-13
FI55559B (en) 1979-04-30
CA966116A (en) 1975-04-15
ZA717492B (en) 1972-10-25
FR2115421B1 (en) 1974-05-10
DE2157314B2 (en) 1973-01-11
FI55559C (en) 1979-08-10

Similar Documents

Publication Publication Date Title
IT945923B (en) COSMETIC TOOL
CH528331A (en) Machine tool
IT941173B (en) DRILL ECCENTRIC TOOL
AT314447B (en) Impact tool
AT317803B (en) Electropneumatic hammer drill
DK148198C (en) DEEP DRAWING TOOL
AT315780B (en) Drilling unit
BE773974A (en) SPACE TRADE WORK
SE380993B (en) TOOL HOLDER
IT975468B (en) DRILLING TOOL
BR7105079D0 (en) ABRASIVE TOOL
AT310113B (en) Hydraulic impact tool
CH548816A (en) TOOL HOLDER.
AT305000B (en) Tool
AT310696B (en) HYDRAULIC IMPACT TOOL
BE773628A (en) STRIPPER TOOL
CH504933A (en) Machine tool
CH553615A (en) TOOL.
CH524417A (en) Cutting tool
CH517545A (en) Machine tool
CH548822A (en) TOOL MAGAZINE.
CH536677A (en) Soldering tool
SE384106B (en) HAND TOOLS
DK143591C (en) MILLING TOOL
IT969082B (en) FORMING TOOL