FR2075975B1 - - Google Patents

Info

Publication number
FR2075975B1
FR2075975B1 FR7100367A FR7100367A FR2075975B1 FR 2075975 B1 FR2075975 B1 FR 2075975B1 FR 7100367 A FR7100367 A FR 7100367A FR 7100367 A FR7100367 A FR 7100367A FR 2075975 B1 FR2075975 B1 FR 2075975B1
Authority
FR
France
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
FR7100367A
Other languages
French (fr)
Other versions
FR2075975A1 (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.)
INST BUROVOI TEKHNIK
Original Assignee
INST BUROVOI TEKHNIK
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 SU1391730A external-priority patent/SU324885A1/en
Application filed by INST BUROVOI TEKHNIK filed Critical INST BUROVOI TEKHNIK
Publication of FR2075975A1 publication Critical patent/FR2075975A1/fr
Application granted granted Critical
Publication of FR2075975B1 publication Critical patent/FR2075975B1/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
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers

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)
FR7100367A 1970-01-07 1971-01-07 Expired FR2075975B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1391730A SU324885A1 (en) 1970-01-07 DRILLING COLUMN

Publications (2)

Publication Number Publication Date
FR2075975A1 FR2075975A1 (en) 1971-10-15
FR2075975B1 true FR2075975B1 (en) 1974-04-26

Family

ID=20449123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7100367A Expired FR2075975B1 (en) 1970-01-07 1971-01-07

Country Status (4)

Country Link
CA (1) CA950891A (en)
DE (1) DE2100504C3 (en)
FR (1) FR2075975B1 (en)
GB (1) GB1339051A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE459514B (en) * 1984-09-06 1989-07-10 Secoroc Ab CUTTING BANDS IN CUTTING EQUIPMENT BEFORE SHOCK DRILLING
GB2293839A (en) * 1994-10-07 1996-04-10 Peter Douglas Paterson Tool for generating down hole axial force
EP2578795A1 (en) * 2011-10-05 2013-04-10 Sandvik Intellectual Property AB Damper unit and drill string system comprising such a damper unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1598228A (en) * 1924-08-04 1926-08-31 Oscar R Wikander Spring device
FR1485711A (en) * 1966-04-22 1967-06-23 Drilco Oil Tools Elastic device for drill pipe column

Also Published As

Publication number Publication date
CA950891A (en) 1974-07-09
GB1339051A (en) 1973-11-28
DE2100504B2 (en) 1973-03-08
DE2100504C3 (en) 1973-09-27
FR2075975A1 (en) 1971-10-15
DE2100504A1 (en) 1971-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse