EP0353962A3 - Futterrohrschneider - Google Patents

Futterrohrschneider Download PDF

Info

Publication number
EP0353962A3
EP0353962A3 EP19890307720 EP89307720A EP0353962A3 EP 0353962 A3 EP0353962 A3 EP 0353962A3 EP 19890307720 EP19890307720 EP 19890307720 EP 89307720 A EP89307720 A EP 89307720A EP 0353962 A3 EP0353962 A3 EP 0353962A3
Authority
EP
European Patent Office
Prior art keywords
offset
arm
cutting edge
cutter
casing
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Withdrawn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
EP19890307720
Other languages
English (en)
French (fr)
Other versions
EP0353962A2 (de
Inventor
Thomas Doig
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.)
Tri State Oil Tool UK Ltd
Original Assignee
Tri State Oil Tool UK 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
Priority claimed from GB888818216A external-priority patent/GB8818216D0/en
Priority claimed from GB888821326A external-priority patent/GB8821326D0/en
Application filed by Tri State Oil Tool UK Ltd filed Critical Tri State Oil Tool UK Ltd
Publication of EP0353962A2 publication Critical patent/EP0353962A2/de
Publication of EP0353962A3 publication Critical patent/EP0353962A3/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Withdrawn legal-status Critical Current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
    • E21B29/005—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe with a radially-expansible cutter rotating inside the pipe, e.g. for cutting an annular window
    • 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
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Milling Processes (AREA)
EP19890307720 1988-07-30 1989-07-28 Futterrohrschneider Withdrawn EP0353962A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB888818216A GB8818216D0 (en) 1988-07-30 1988-07-30 Casing cutter
GB8818216 1988-07-30
GB8821326 1988-09-12
GB888821326A GB8821326D0 (en) 1988-09-12 1988-09-12 Casing cutters

Publications (2)

Publication Number Publication Date
EP0353962A2 EP0353962A2 (de) 1990-02-07
EP0353962A3 true EP0353962A3 (de) 1991-03-27

Family

ID=26294221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890307720 Withdrawn EP0353962A3 (de) 1988-07-30 1989-07-28 Futterrohrschneider

Country Status (2)

Country Link
EP (1) EP0353962A3 (de)
NO (1) NO893075L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8914061D0 (en) * 1989-06-19 1989-08-09 Wellcome Found Agents for potentiating the effects of antitumour agents and combating multiple drug resistance
GB8914040D0 (en) * 1989-06-19 1989-08-09 Wellcome Found Agents for potentiating the effects of antitumour agents and combating multiple drug resistance
GB8914060D0 (en) * 1989-06-19 1989-08-09 Wellcome Found Agents for potentiating the effects of antitumour agents and combating multiple drug resistance
US5242017A (en) * 1991-12-27 1993-09-07 Hailey Charles D Cutter blades for rotary tubing tools
US5265675A (en) * 1992-03-25 1993-11-30 Atlantic Richfield Company Well conduit cutting and milling apparatus and method
US5862870A (en) * 1995-09-22 1999-01-26 Weatherford/Lamb, Inc. Wellbore section milling
US5762143A (en) * 1996-05-29 1998-06-09 Baroid Technology, Inc. System and method for placement and retrieval of a subsurface diverting tool used in drilling and completing wells
US5778980A (en) * 1996-05-29 1998-07-14 Baroid Technology, Inc. Multicut casing window mill and method for forming a casing window
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
EP3286407B1 (de) 2015-04-24 2020-06-17 Weatherford Technology Holdings, LLC Rohrschneidewerkzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801482A (en) * 1925-10-27 1931-04-21 Boynton Alexander Milling tool
US2859943A (en) * 1957-01-07 1958-11-11 Chadderdon Jack Expansible mill for well casings
GB872547A (en) * 1957-04-01 1961-07-12 Joy Mfg Co Rotary cutting device
US4646826A (en) * 1985-07-29 1987-03-03 A-Z International Tool Company Well string cutting apparatus
EP0231989A2 (de) * 1986-01-06 1987-08-12 Tri-State Oil Tool Industries Inc. Fräswerkzeug zum Schneiden einer Bohrlochverrohrung
EP0266864A2 (de) * 1986-11-06 1988-05-11 Tri-State Oil Tool Industries Inc. Fräswerkzeug zum Schneiden einer Bohrlochverrohrung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801482A (en) * 1925-10-27 1931-04-21 Boynton Alexander Milling tool
US2859943A (en) * 1957-01-07 1958-11-11 Chadderdon Jack Expansible mill for well casings
GB872547A (en) * 1957-04-01 1961-07-12 Joy Mfg Co Rotary cutting device
US4646826A (en) * 1985-07-29 1987-03-03 A-Z International Tool Company Well string cutting apparatus
EP0231989A2 (de) * 1986-01-06 1987-08-12 Tri-State Oil Tool Industries Inc. Fräswerkzeug zum Schneiden einer Bohrlochverrohrung
EP0266864A2 (de) * 1986-11-06 1988-05-11 Tri-State Oil Tool Industries Inc. Fräswerkzeug zum Schneiden einer Bohrlochverrohrung

Also Published As

Publication number Publication date
EP0353962A2 (de) 1990-02-07
NO893075L (no) 1990-01-31
NO893075D0 (no) 1989-07-28

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