FR2592088A1 - Trepan ou benne de forage perfectionne - Google Patents

Trepan ou benne de forage perfectionne

Info

Publication number
FR2592088A1
FR2592088A1 FR8519267A FR8519267A FR2592088A1 FR 2592088 A1 FR2592088 A1 FR 2592088A1 FR 8519267 A FR8519267 A FR 8519267A FR 8519267 A FR8519267 A FR 8519267A FR 2592088 A1 FR2592088 A1 FR 2592088A1
Authority
FR
France
Prior art keywords
bucket
drilling bit
improved drilling
upper element
lower element
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
FR8519267A
Other languages
English (en)
Other versions
FR2592088B3 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8519267A priority Critical patent/FR2592088B3/fr
Publication of FR2592088A1 publication Critical patent/FR2592088A1/fr
Application granted granted Critical
Publication of FR2592088B3 publication Critical patent/FR2592088B3/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention a pour objet un trépan ou une benne de forage. Selon l'invention ce trépan ou benne de forage comprend un élément supérieur 2 ou 21, un élément inférieur 1 ou 19, une ou plusieurs rallonges 15a-15b ou 21 qui peuvent être interposées entre l'élément supérieur ou l'élément inférieur, et des paires de demi-colliers de jonction pour assembler les divers éléments entre eux. (CF DESSIN DANS BOPI)
FR8519267A 1985-12-19 1985-12-19 Trepan ou benne de forage perfectionne Expired FR2592088B3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8519267A FR2592088B3 (fr) 1985-12-19 1985-12-19 Trepan ou benne de forage perfectionne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8519267A FR2592088B3 (fr) 1985-12-19 1985-12-19 Trepan ou benne de forage perfectionne

Publications (2)

Publication Number Publication Date
FR2592088A1 true FR2592088A1 (fr) 1987-06-26
FR2592088B3 FR2592088B3 (fr) 1988-03-11

Family

ID=9326215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8519267A Expired FR2592088B3 (fr) 1985-12-19 1985-12-19 Trepan ou benne de forage perfectionne

Country Status (1)

Country Link
FR (1) FR2592088B3 (fr)

Also Published As

Publication number Publication date
FR2592088B3 (fr) 1988-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse