NO873521L - Freseverktoey. - Google Patents

Freseverktoey.

Info

Publication number
NO873521L
NO873521L NO873521A NO873521A NO873521L NO 873521 L NO873521 L NO 873521L NO 873521 A NO873521 A NO 873521A NO 873521 A NO873521 A NO 873521A NO 873521 L NO873521 L NO 873521L
Authority
NO
Norway
Prior art keywords
blades
bore
freseverktoey
gates
extend
Prior art date
Application number
NO873521A
Other languages
English (en)
Other versions
NO873521D0 (no
Inventor
Johann Springer
Original Assignee
Smith Int North Sea
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 Int North Sea filed Critical Smith Int North Sea
Publication of NO873521D0 publication Critical patent/NO873521D0/no
Publication of NO873521L publication Critical patent/NO873521L/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Abstract

Freseverktøy for bruk i energiutvinnende brønner Innbefattende et rørformet element (1) med en langsgå-ende boring (2) for føring av fluid, og radlelt forløpende skjærblader (5). Oppad rettede porter (70) forløper fra boringen (2) til et sted under skjæreggen (6) av bladene (5) for positiv fjerning av sponavskjær.
NO873521A 1986-08-21 1987-08-20 Freseverktoey. NO873521L (no)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO873521D0 NO873521D0 (no) 1987-08-20
NO873521L true NO873521L (no) 1988-02-22

Family

ID=10603046

Family Applications (1)

Application Number Title Priority Date Filing Date
NO873521A NO873521L (no) 1986-08-21 1987-08-20 Freseverktoey.

Country Status (4)

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

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

Family Cites Families (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
FR2417002A1 (fr) * 1978-02-13 1979-09-07 Inst Francais Du Petrole Dispositif de stabilisation a lames comportant au moins un espace a effet venturi et utilisable notamment en combinaison avec un outil de forage
WO1980002858A1 (en) * 1979-06-19 1980-12-24 Syndrill Prod Joint Venture Deep hole rock drill bit
US4479558A (en) * 1981-08-05 1984-10-30 Gill Industries, Inc. Drilling sub
EP0106702A3 (en) * 1982-10-19 1986-02-05 Drumco Drill bit assembly having improved operational life
US4515227A (en) * 1983-04-27 1985-05-07 Christensen, Inc. Nozzle placement in a diamond rotating bit including a pilot bit
DE3566564D1 (en) * 1984-07-27 1989-01-05 Diamant Boart Sa Hole opener
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
EP0257944A3 (en) 1989-05-24
NO873521D0 (no) 1987-08-20
GB8620362D0 (en) 1986-10-01
JPS63184689A (ja) 1988-07-30
EP0257944A2 (en) 1988-03-02

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