FR1287225A - Improvements to drill bits for well drilling and similar uses - Google Patents

Improvements to drill bits for well drilling and similar uses

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
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/en
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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR859944A 1959-08-28 1961-04-26 Improvements to drill bits for well drilling and similar uses Expired FR1287225A (en)

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 (en) 1962-03-09

Family

ID=26259914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859944A Expired FR1287225A (en) 1959-08-28 1961-04-26 Improvements to drill bits for well drilling and similar uses

Country Status (6)

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

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 (en) * 1980-06-10 1982-09-30 Kennametal Inc., 15650 Latrobe, Pa. Tapered roller turning tool
EP0059497B1 (en) * 1981-03-02 1985-05-15 Agfa-Gevaert N.V. 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
NL263085A (en)
BE603562A (en)
GB832205A (en) 1960-04-06
US3186501A (en) 1965-06-01
DE1188529B (en) 1965-03-11

Similar Documents

Publication Publication Date Title
OA01049A (en) Improvements in the drilling of subsea wells.
FR1260080A (en) Sealed roller drill bit
BE607933A (en) Improvements to percussion tools
FR1274316A (en) Advanced drill
FR1287225A (en) Improvements to drill bits for well drilling and similar uses
CH408753A (en) Rotary percussion drill
FR1265943A (en) Drill bit for soil drilling
FR1282700A (en) Diamond Drilling Tool Improvements
FR1352808A (en) Twist Drill Improvements
FR1295380A (en) Oil Well Drilling Tool Improvements
FR1258722A (en) Shock drilling rig
FR1274017A (en) Drill
FR1261950A (en) Improvements to drilling tools
FR78389E (en) Improvements to seed drills
FR1257184A (en) Drill bit with diamonds on its working face
FR1269187A (en) Drill bit for soil drilling
FR78510E (en) Drill bit for soil drilling
FR1300541A (en) Well Drill Bits Improvements
FR1309265A (en) Improvements to percussion drills
FR1251020A (en) Improvements to drilling and tapping tools
FR1186792A (en) Drill bit improvements
FR1240063A (en) Drill bit heads improvements
FR1347387A (en) Improvements to oil well drilling equipment
FR1180956A (en) Improvements to rotary bits for drilling wells
BE608241A (en) Improvements to percussion drills