FR2296754A1 - Liaison separable d'outils avec un tube de forage - Google Patents

Liaison separable d'outils avec un tube de forage

Info

Publication number
FR2296754A1
FR2296754A1 FR7539965A FR7539965A FR2296754A1 FR 2296754 A1 FR2296754 A1 FR 2296754A1 FR 7539965 A FR7539965 A FR 7539965A FR 7539965 A FR7539965 A FR 7539965A FR 2296754 A1 FR2296754 A1 FR 2296754A1
Authority
FR
France
Prior art keywords
tool
tube
produced
straight tooth
wall engaging
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.)
Withdrawn
Application number
FR7539965A
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.)
Bauakademie der DDR
Original Assignee
Bauakademie der DDR
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 Bauakademie der DDR filed Critical Bauakademie der DDR
Publication of FR2296754A1 publication Critical patent/FR2296754A1/fr
Withdrawn legal-status Critical Current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
    • 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

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)
FR7539965A 1974-12-30 1975-12-29 Liaison separable d'outils avec un tube de forage Withdrawn FR2296754A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD183438A DD117102A1 (de) 1974-12-30 1974-12-30

Publications (1)

Publication Number Publication Date
FR2296754A1 true FR2296754A1 (fr) 1976-07-30

Family

ID=5498713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539965A Withdrawn FR2296754A1 (fr) 1974-12-30 1975-12-29 Liaison separable d'outils avec un tube de forage

Country Status (3)

Country Link
DD (1) DD117102A1 (de)
DE (1) DE2543826C3 (de)
FR (1) FR2296754A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2951354C2 (de) * 1979-12-20 1983-02-24 Karl Bauer Spezialtiefbau GmbH & Co KG, 8898 Schrobenhausen Lösbare Verbindung für Bohrrohre

Also Published As

Publication number Publication date
DD117102A1 (de) 1975-12-20
DE2543826A1 (de) 1976-07-01
DE2543826B2 (de) 1977-09-08
DE2543826C3 (de) 1978-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse