EP0257944A3 - Fräswerkzeug - Google Patents

Fräswerkzeug Download PDF

Info

Publication number
EP0257944A3
EP0257944A3 EP87307225A EP87307225A EP0257944A3 EP 0257944 A3 EP0257944 A3 EP 0257944A3 EP 87307225 A EP87307225 A EP 87307225A EP 87307225 A EP87307225 A EP 87307225A EP 0257944 A3 EP0257944 A3 EP 0257944A3
Authority
EP
European Patent Office
Prior art keywords
milling tool
blades
bore
cuttings
passage
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP87307225A
Other languages
English (en)
French (fr)
Other versions
EP0257944A2 (de
Inventor
Johann Springer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith International North Sea Ltd
Original Assignee
Smith International North Sea Ltd
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 Smith International North Sea Ltd filed Critical Smith International North Sea Ltd
Publication of EP0257944A2 publication Critical patent/EP0257944A2/de
Publication of EP0257944A3 publication Critical patent/EP0257944A3/de
Withdrawn legal-status Critical Current

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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/002—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Milling Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling Tools (AREA)
EP87307225A 1986-08-21 1987-08-14 Fräswerkzeug Withdrawn EP0257944A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868620362A GB8620362D0 (en) 1986-08-21 1986-08-21 Milling tool
GB8620362 1986-08-21

Publications (2)

Publication Number Publication Date
EP0257944A2 EP0257944A2 (de) 1988-03-02
EP0257944A3 true EP0257944A3 (de) 1989-05-24

Family

ID=10603046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87307225A Withdrawn EP0257944A3 (de) 1986-08-21 1987-08-14 Fräswerkzeug

Country Status (4)

Country Link
EP (1) EP0257944A3 (de)
JP (1) JPS63184689A (de)
GB (1) GB8620362D0 (de)
NO (1) NO873521L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06294271A (ja) * 1991-05-09 1994-10-21 Toho Kinzoku Kk さく孔装置
CN116717206B (zh) * 2023-05-30 2024-01-23 西南石油大学 一体式水泥环破碎回收工具及方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116800A (en) * 1960-12-12 1964-01-07 Lamphere Jean K Apparatus for conditioning well bores
US3147536A (en) * 1961-10-27 1964-09-08 Kammerer Jr Archer W Apparatus for milling tubular strings in well bores
US3454119A (en) * 1967-03-16 1969-07-08 John Mcclinton Jet-type reamer for use with drill pipe strings
GB2014218A (en) * 1978-02-13 1979-08-22 Inst Francais Du Petrole Tool stabilizers
EP0106702A2 (de) * 1982-10-19 1984-04-25 Drumco Bohrmeisselanordnung mit längerer Lebensdauer
US4445580A (en) * 1979-06-19 1984-05-01 Syndrill Carbide Diamond Company Deep hole rock drill bit
US4479558A (en) * 1981-08-05 1984-10-30 Gill Industries, Inc. Drilling sub
US4515227A (en) * 1983-04-27 1985-05-07 Christensen, Inc. Nozzle placement in a diamond rotating bit including a pilot bit
EP0176180A1 (de) * 1984-07-27 1986-04-02 DIAMANT BOART Société Anonyme Werkzeug zum Erweitern von Bohrlöchern
GB2170529A (en) * 1985-01-28 1986-08-06 2M Downhole Limited Improvements in or relating to drilling apparatus
US4618010A (en) * 1986-02-18 1986-10-21 Team Engineering And Manufacturing, Inc. Hole opener

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116800A (en) * 1960-12-12 1964-01-07 Lamphere Jean K Apparatus for conditioning well bores
US3147536A (en) * 1961-10-27 1964-09-08 Kammerer Jr Archer W Apparatus for milling tubular strings in well bores
US3454119A (en) * 1967-03-16 1969-07-08 John Mcclinton Jet-type reamer for use with drill pipe strings
GB2014218A (en) * 1978-02-13 1979-08-22 Inst Francais Du Petrole Tool stabilizers
US4445580A (en) * 1979-06-19 1984-05-01 Syndrill Carbide Diamond Company Deep hole rock drill bit
US4479558A (en) * 1981-08-05 1984-10-30 Gill Industries, Inc. Drilling sub
EP0106702A2 (de) * 1982-10-19 1984-04-25 Drumco Bohrmeisselanordnung mit längerer Lebensdauer
US4515227A (en) * 1983-04-27 1985-05-07 Christensen, Inc. Nozzle placement in a diamond rotating bit including a pilot bit
EP0176180A1 (de) * 1984-07-27 1986-04-02 DIAMANT BOART Société Anonyme Werkzeug zum Erweitern von Bohrlöchern
GB2170529A (en) * 1985-01-28 1986-08-06 2M Downhole Limited Improvements in or relating to drilling apparatus
US4618010A (en) * 1986-02-18 1986-10-21 Team Engineering And Manufacturing, Inc. Hole opener

Also Published As

Publication number Publication date
JPS63184689A (ja) 1988-07-30
EP0257944A2 (de) 1988-03-02
NO873521L (no) 1988-02-22
NO873521D0 (no) 1987-08-20
GB8620362D0 (en) 1986-10-01

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Inventor name: SPRINGER, JOHANN