FR1287225A - Perfectionnements aux trépans destinés au forage de puits et à des usages similaires - Google Patents

Perfectionnements aux trépans destinés au forage de puits et à des usages similaires

Info

Publication number
FR1287225A
FR1287225A FR859944A FR859944A FR1287225A FR 1287225 A FR1287225 A FR 1287225A FR 859944 A FR859944 A FR 859944A FR 859944 A FR859944 A FR 859944A FR 1287225 A FR1287225 A FR 1287225A
Authority
FR
France
Prior art keywords
drill bits
well drilling
similar uses
similar
drilling
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
FR859944A
Other languages
English (en)
French (fr)
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.)
Padley and Venables Ltd
Original Assignee
Padley and Venables 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 GB2943159A external-priority patent/GB932205A/en
Application filed by Padley and Venables Ltd filed Critical Padley and Venables Ltd
Application granted granted Critical
Publication of FR1287225A publication Critical patent/FR1287225A/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
    • E21B10/08—Roller bits
    • 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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR859944A 1959-08-28 1961-04-26 Perfectionnements aux trépans destinés au forage de puits et à des usages similaires Expired FR1287225A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2943159A GB932205A (en) 1959-08-28 1959-08-28 Improvements in or relating to earth and rock drilling bits
GB3365659 1959-10-05

Publications (1)

Publication Number Publication Date
FR1287225A true FR1287225A (fr) 1962-03-09

Family

ID=26259914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859944A Expired FR1287225A (fr) 1959-08-28 1961-04-26 Perfectionnements aux trépans destinés au forage de puits et à des usages similaires

Country Status (6)

Country Link
US (1) US3186501A (en, 2012)
BE (1) BE603562A (en, 2012)
DE (1) DE1188529B (en, 2012)
FR (1) FR1287225A (en, 2012)
GB (1) GB832205A (en, 2012)
NL (1) NL263085A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327794A (en) * 1964-10-16 1967-06-27 Ernest S Creel Drill bit assembly
AU539088B2 (en) * 1979-01-12 1984-09-13 Kennametal Inc. Detachable roller bit rotary cone cutter
DE3021733C2 (de) * 1980-06-10 1982-09-30 Kennametal Inc., 15650 Latrobe, Pa. Kegelrollendrehmeißel
DE3263486D1 (en) * 1981-03-02 1985-06-20 Agfa Gevaert Nv Photographic silver halide colour materials and process for the production of dye images by diffusion transfer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656153A (en) * 1949-09-12 1953-10-20 Thomas A White Rotary drilling bit
US2890020A (en) * 1949-11-30 1959-06-09 Herbert J Hawthorne Removable blade drag bits
US2831657A (en) * 1949-11-30 1958-04-22 Herbert J Hawthorne Removable blade drag bits
US2599854A (en) * 1949-12-10 1952-06-10 Paul A Mcmurdy Well-drilling bit
US2783973A (en) * 1951-02-20 1957-03-05 Herbert J Hawthorne Drill bit
US2859942A (en) * 1957-05-15 1958-11-11 Earl M Weaver Detachable blade bit
US3039548A (en) * 1958-01-30 1962-06-19 Wendell Coffee Detachable blade bit

Also Published As

Publication number Publication date
DE1188529B (de) 1965-03-11
NL263085A (en, 2012)
GB832205A (en) 1960-04-06
BE603562A (en, 2012)
US3186501A (en) 1965-06-01

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