FR1232026A - Couronne de forage massive - Google Patents

Couronne de forage massive

Info

Publication number
FR1232026A
FR1232026A FR802015A FR802015A FR1232026A FR 1232026 A FR1232026 A FR 1232026A FR 802015 A FR802015 A FR 802015A FR 802015 A FR802015 A FR 802015A FR 1232026 A FR1232026 A FR 1232026A
Authority
FR
France
Prior art keywords
core bit
massive core
massive
bit
core
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.)
Expired
Application number
FR802015A
Other languages
English (en)
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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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 Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Application granted granted Critical
Publication of FR1232026A publication Critical patent/FR1232026A/fr
Expired 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit

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)
  • Polishing Bodies And Polishing Tools (AREA)
FR802015A 1958-08-22 1959-08-04 Couronne de forage massive Expired FR1232026A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES59530A DE1083763B (de) 1958-08-22 1958-08-22 Vollbohrkrone

Publications (1)

Publication Number Publication Date
FR1232026A true FR1232026A (fr) 1960-10-05

Family

ID=7493379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802015A Expired FR1232026A (fr) 1958-08-22 1959-08-04 Couronne de forage massive

Country Status (3)

Country Link
DE (1) DE1083763B (fr)
FR (1) FR1232026A (fr)
GB (1) GB900099A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215215A (en) * 1962-08-27 1965-11-02 Exxon Production Research Co Diamond bit
EP0349846A1 (fr) * 1988-07-01 1990-01-10 HILTI Aktiengesellschaft Trépan carottier

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197407B (de) * 1961-04-27 1965-07-29 Inst Francais Du Petrol Vollbohrmeissel zum Bohren mit hohen Drehzahlen
US3127946A (en) * 1961-05-01 1964-04-07 Carroll L Deely Drill bit
DE1226962B (de) * 1963-05-28 1966-10-20 Aquitaine Petrole Drehvollbohrkrone mit Flachstrahlduesen
US3301339A (en) * 1964-06-19 1967-01-31 Exxon Production Research Co Drill bit with wear resistant material on blade
US3552505A (en) * 1968-11-22 1971-01-05 American Coldset Corp Core bit and core crusher apparatus
GB1348694A (en) * 1971-05-10 1974-03-20 Shell Int Research Diamond bit
US4352400A (en) * 1980-12-01 1982-10-05 Christensen, Inc. Drill bit
GB2117289A (en) * 1982-03-24 1983-10-12 Nat Res Dev Grinding tools
US6024168A (en) * 1996-01-24 2000-02-15 Weatherford/Lamb, Inc. Wellborne mills & methods
US5904213A (en) * 1995-10-10 1999-05-18 Camco International (Uk) Limited Rotary drill bits
US6302223B1 (en) * 1999-10-06 2001-10-16 Baker Hughes Incorporated Rotary drag bit with enhanced hydraulic and stabilization characteristics
US12421804B2 (en) 2021-05-21 2025-09-23 Veracio Ltd. Continuous sampling drill bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215215A (en) * 1962-08-27 1965-11-02 Exxon Production Research Co Diamond bit
EP0349846A1 (fr) * 1988-07-01 1990-01-10 HILTI Aktiengesellschaft Trépan carottier

Also Published As

Publication number Publication date
DE1083763B (de) 1960-06-23
GB900099A (en) 1962-07-04

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