FR2482181B3 - - Google Patents

Info

Publication number
FR2482181B3
FR2482181B3 FR8004665A FR8004665A FR2482181B3 FR 2482181 B3 FR2482181 B3 FR 2482181B3 FR 8004665 A FR8004665 A FR 8004665A FR 8004665 A FR8004665 A FR 8004665A FR 2482181 B3 FR2482181 B3 FR 2482181B3
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
FR8004665A
Other languages
French (fr)
Other versions
FR2482181A1 (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.)
LAFFITTE GILBERT
Original Assignee
LAFFITTE GILBERT
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 LAFFITTE GILBERT filed Critical LAFFITTE GILBERT
Priority to FR8004665A priority Critical patent/FR2482181A1/fr
Publication of FR2482181A1 publication Critical patent/FR2482181A1/fr
Application granted granted Critical
Publication of FR2482181B3 publication Critical patent/FR2482181B3/fr
Granted 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/20—Drives for drilling, used in the borehole combined with surface drive
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
FR8004665A 1980-02-29 1980-02-29 Procede et dispositif de forage fonctionnant par percussion-rotation Granted FR2482181A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8004665A FR2482181A1 (fr) 1980-02-29 1980-02-29 Procede et dispositif de forage fonctionnant par percussion-rotation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8004665A FR2482181A1 (fr) 1980-02-29 1980-02-29 Procede et dispositif de forage fonctionnant par percussion-rotation

Publications (2)

Publication Number Publication Date
FR2482181A1 FR2482181A1 (fr) 1981-11-13
FR2482181B3 true FR2482181B3 (en:Method) 1983-07-22

Family

ID=9239216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004665A Granted FR2482181A1 (fr) 1980-02-29 1980-02-29 Procede et dispositif de forage fonctionnant par percussion-rotation

Country Status (1)

Country Link
FR (1) FR2482181A1 (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556993B1 (fr) * 1983-12-22 1986-09-19 Somafer Sa Outil pour le nettoyage des rigoles de coulee

Also Published As

Publication number Publication date
FR2482181A1 (fr) 1981-11-13

Similar Documents

Publication Publication Date Title
FR2484432B1 (en:Method)
FR2485727B1 (en:Method)
FR2490251B1 (en:Method)
FR2476287B1 (en:Method)
FR2492661B1 (en:Method)
FR2482894B2 (en:Method)
FR2487969B1 (en:Method)
FR2489819B1 (en:Method)
FR2480161B1 (en:Method)
FR2478606B1 (en:Method)
FR2475972B1 (en:Method)
GR76914B (en:Method)
FR2494877B1 (en:Method)
FR2485425B1 (en:Method)
FR2480720B1 (en:Method)
IN153350B (en:Method)
FR2484603B2 (en:Method)
GR72991B (en:Method)
FR2479948B1 (en:Method)
FR2478439B1 (en:Method)
FR2477462B1 (en:Method)
FR2486438B1 (en:Method)
FR2489971B1 (en:Method)
FR2487870B3 (en:Method)
FR2491480B1 (en:Method)

Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights