EP0905348A3 - Schneidarm für Räumer - Google Patents

Schneidarm für Räumer Download PDF

Info

Publication number
EP0905348A3
EP0905348A3 EP98122696A EP98122696A EP0905348A3 EP 0905348 A3 EP0905348 A3 EP 0905348A3 EP 98122696 A EP98122696 A EP 98122696A EP 98122696 A EP98122696 A EP 98122696A EP 0905348 A3 EP0905348 A3 EP 0905348A3
Authority
EP
European Patent Office
Prior art keywords
blade
arm
wear resistant
underreamer
multiplicity
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.)
Granted
Application number
EP98122696A
Other languages
English (en)
French (fr)
Other versions
EP0905348A2 (de
EP0905348B1 (de
Inventor
Bruce Mcgarian
Richard Alvin Armell
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 Inc
Original Assignee
Red Baron Oil Tools Rental Ltd
Smith International Inc
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 Red Baron Oil Tools Rental Ltd, Smith International Inc filed Critical Red Baron Oil Tools Rental Ltd
Priority claimed from EP95935506A external-priority patent/EP0788578B1/de
Publication of EP0905348A2 publication Critical patent/EP0905348A2/de
Publication of EP0905348A3 publication Critical patent/EP0905348A3/de
Application granted granted Critical
Publication of EP0905348B1 publication Critical patent/EP0905348B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
EP98122696A 1994-10-31 1995-10-31 Schneidarm für Räumer Expired - Lifetime EP0905348B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9422022A GB9422022D0 (en) 1994-10-31 1994-10-31 Two stage underreamer
GB9422022 1994-10-31
GBGB9505430.0A GB9505430D0 (en) 1994-10-31 1995-03-17 2-stage underreamer
GB9505430 1995-03-17
EP95935506A EP0788578B1 (de) 1994-10-31 1995-10-31 Zweistufiger räumer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP95935506A Division EP0788578B1 (de) 1994-10-31 1995-10-31 Zweistufiger räumer

Publications (3)

Publication Number Publication Date
EP0905348A2 EP0905348A2 (de) 1999-03-31
EP0905348A3 true EP0905348A3 (de) 1999-06-30
EP0905348B1 EP0905348B1 (de) 2005-01-26

Family

ID=10763721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122696A Expired - Lifetime EP0905348B1 (de) 1994-10-31 1995-10-31 Schneidarm für Räumer

Country Status (2)

Country Link
EP (1) EP0905348B1 (de)
GB (2) GB9422022D0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109667544A (zh) * 2018-12-27 2019-04-23 中国水利水电科学研究院 一种岩体钻孔扩孔器及扩孔方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851719A (en) * 1973-03-22 1974-12-03 American Coldset Corp Stabilized under-drilling apparatus
GB1464464A (en) * 1974-04-25 1977-02-16 Mindrill Ltd Drill comprising a tubular drill string and apparatus releasably connectable to the bottom of said drill string
EP0058061A2 (de) * 1981-02-07 1982-08-18 DRILLING & SERVICE U.K. LIMITED Erdbohrwerkzeug
US4586574A (en) * 1983-05-20 1986-05-06 Norton Christensen, Inc. Cutter configuration for a gage-to-shoulder transition and face pattern
US4809793A (en) * 1987-10-19 1989-03-07 Hailey Charles D Enhanced diameter clean-out tool and method
EP0325271A2 (de) * 1988-01-20 1989-07-26 Eastman Teleco Company Bohrmeissel
EP0391683A1 (de) * 1989-04-05 1990-10-10 De Beers Industrial Diamond Division (Pty) Limited Bohrmeissel
US5036921A (en) * 1990-06-28 1991-08-06 Slimdril International, Inc. Underreamer with sequentially expandable cutter blades
EP0522553A1 (de) * 1991-07-11 1993-01-13 Baker Hughes Incorporated Bohrspitze mit erhöhter Stabilität

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644673A (en) * 1949-09-26 1953-07-07 Baker Oil Tools Inc Expansible rotary drill bit and cutter
US5242017A (en) * 1991-12-27 1993-09-07 Hailey Charles D Cutter blades for rotary tubing tools

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851719A (en) * 1973-03-22 1974-12-03 American Coldset Corp Stabilized under-drilling apparatus
GB1464464A (en) * 1974-04-25 1977-02-16 Mindrill Ltd Drill comprising a tubular drill string and apparatus releasably connectable to the bottom of said drill string
EP0058061A2 (de) * 1981-02-07 1982-08-18 DRILLING & SERVICE U.K. LIMITED Erdbohrwerkzeug
US4586574A (en) * 1983-05-20 1986-05-06 Norton Christensen, Inc. Cutter configuration for a gage-to-shoulder transition and face pattern
US4809793A (en) * 1987-10-19 1989-03-07 Hailey Charles D Enhanced diameter clean-out tool and method
EP0325271A2 (de) * 1988-01-20 1989-07-26 Eastman Teleco Company Bohrmeissel
EP0391683A1 (de) * 1989-04-05 1990-10-10 De Beers Industrial Diamond Division (Pty) Limited Bohrmeissel
US5036921A (en) * 1990-06-28 1991-08-06 Slimdril International, Inc. Underreamer with sequentially expandable cutter blades
EP0522553A1 (de) * 1991-07-11 1993-01-13 Baker Hughes Incorporated Bohrspitze mit erhöhter Stabilität

Also Published As

Publication number Publication date
GB9422022D0 (en) 1994-12-21
EP0905348A2 (de) 1999-03-31
GB9505430D0 (en) 1995-05-03
EP0905348B1 (de) 2005-01-26

Similar Documents

Publication Publication Date Title
EP1342541A3 (de) Rasierklingeneinheit mit Metallklammer zum Halten der Klingen
WO1996009149A3 (en) Cutting tooth
EP0958999A3 (de) Flügelprofil
US5427186A (en) Method for forming wear surfaces and the resulting part
CA2272258A1 (en) Abrasive tool
EP0987087A3 (de) Bearbeitungsvorrichtung
EP1163966A3 (de) Schneidkopf für Bohrer
EP0878636A3 (de) Verfahren zur Herstellung eine Kernplatte mit Multi Reibungsmaterialsegmenten
CA2181245A1 (en) Demolition Tool Jaws with Replaceable Working Surfaces
EP0795369A3 (de) Bandsägeblatt
HUP9800590A3 (en) Wear resistant cold work tool steel having high impact toughness, made by powder metallurgy and a method for producing the same
ES518493A0 (es) Perfeccionamientos en la fabricacion de cuchillas de corte para maquinas herramientas, a base de nitruros y carburos de titanio.
EP1066901A3 (de) Werkzeug für spannabhebende Arbeitung
EP1207212A3 (de) Nickel - Legierung
EP0846780A3 (de) Verfahren zum Herstellen von selbstscharfende Schneidkanten oder Blättern von Bearbeitungsmaschinen und also hergestellte Gegenständen
CA2426008A1 (en) Composite doctor blade and its method of manufacture
EP0902159A3 (de) Schneidelement mit nicht-planer, nicht linearer Zwischenfläche
EP1319996A3 (de) Tonerentfernungsklinge
EP0905348A3 (de) Schneidarm für Räumer
EP1052422A3 (de) In drei Etappen auswechselbarer Bremsscheibensatz sowie Verfahren für den Zusammenbau
EP1201386A3 (de) Mauerschneidelemente mit Verschleissindikatoren
USD436820S1 (en) Diamond blade
JPH0524411Y2 (de)
EP1232819A3 (de) Verfahren zum Herstellen von Bandsägeblättern
UA28415A (uk) Різальний інструмент

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AC Divisional application: reference to earlier application

Ref document number: 788578

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): FR NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ARMELL, RICHARD ALVIN

Inventor name: MCGARIAN, BRUCE

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): FR NL

17P Request for examination filed

Effective date: 19991221

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SMITH INTERNATIONAL, INC.

17Q First examination report despatched

Effective date: 20020409

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AC Divisional application: reference to earlier application

Ref document number: 0788578

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): FR NL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ET Fr: translation filed
26N No opposition filed

Effective date: 20051027

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20141008

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20141010

Year of fee payment: 20

REG Reference to a national code

Ref country code: NL

Ref legal event code: MK

Effective date: 20151030