FR1438288A - Drilling device - Google Patents

Drilling device

Info

Publication number
FR1438288A
FR1438288A FR4142A FR4142A FR1438288A FR 1438288 A FR1438288 A FR 1438288A FR 4142 A FR4142 A FR 4142A FR 4142 A FR4142 A FR 4142A FR 1438288 A FR1438288 A FR 1438288A
Authority
FR
France
Prior art keywords
drilling device
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
FR4142A
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.)
Gardner Denver Inc
Original Assignee
Gardner Denver Inc
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 US344538A external-priority patent/US3342804A/en
Application filed by Gardner Denver Inc filed Critical Gardner Denver Inc
Priority to FR4142A priority Critical patent/FR1438288A/en
Application granted granted Critical
Publication of FR1438288A publication Critical patent/FR1438288A/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
    • 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)
FR4142A 1964-02-13 1965-02-02 Drilling device Expired FR1438288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR4142A FR1438288A (en) 1964-02-13 1965-02-02 Drilling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US344538A US3342804A (en) 1963-02-15 1964-02-13 Monoazo dyes
FR4142A FR1438288A (en) 1964-02-13 1965-02-02 Drilling device

Publications (1)

Publication Number Publication Date
FR1438288A true FR1438288A (en) 1966-05-13

Family

ID=26161854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4142A Expired FR1438288A (en) 1964-02-13 1965-02-02 Drilling device

Country Status (1)

Country Link
FR (1) FR1438288A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305580A1 (en) * 1975-03-22 1976-10-22 Walter Gmbh Co Drucklufttechni DRILLING HAMMER FOR DRILLING DEEP HOLES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305580A1 (en) * 1975-03-22 1976-10-22 Walter Gmbh Co Drucklufttechni DRILLING HAMMER FOR DRILLING DEEP HOLES

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