FR938764A - Perfectionnements aux sondeuses rotatives - Google Patents

Perfectionnements aux sondeuses rotatives

Info

Publication number
FR938764A
FR938764A FR938764DA FR938764A FR 938764 A FR938764 A FR 938764A FR 938764D A FR938764D A FR 938764DA FR 938764 A FR938764 A FR 938764A
Authority
FR
France
Prior art keywords
sounders
rotary
rotary sounders
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
Other languages
English (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.)
PIERRE A FRANCOIS
Original Assignee
PIERRE A FRANCOIS
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 PIERRE A FRANCOIS filed Critical PIERRE A FRANCOIS
Application granted granted Critical
Publication of FR938764A publication Critical patent/FR938764A/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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR938764D 1945-11-09 1946-11-13 Perfectionnements aux sondeuses rotatives Expired FR938764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE938764X 1945-11-09

Publications (1)

Publication Number Publication Date
FR938764A true FR938764A (fr) 1948-10-25

Family

ID=3887820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938764D Expired FR938764A (fr) 1945-11-09 1946-11-13 Perfectionnements aux sondeuses rotatives

Country Status (1)

Country Link
FR (1) FR938764A (fr)

Similar Documents

Publication Publication Date Title
FR53872E (fr) Perfectionnements aux robinets
FR941632A (fr) Perfectionnements apportés aux distributeurs-régulateurs
FR939091A (fr) Perfectionnements aux réseaux sélectifs
FR938764A (fr) Perfectionnements aux sondeuses rotatives
FR914964A (fr) Perfectionnements apportés aux distributeurs
FR937089A (fr) Perfectionnements aux récepteurs de télégraphes-imprimeurs
FR913907A (fr) Perfectionnements aux pompes rotatives
FR922180A (fr) Perfectionnements aux pompes rotatives
FR915397A (fr) Perfectionnements relatifs aux aéromoteurs
FR916830A (fr) Perfectionnements aux raboteuses
FR56441E (fr) Perfectionnements aux fermetures
FR911347A (fr) Perfectionnements aux voies ferrées
FR917945A (fr) Perfectionnements aux appareils rotatifs porte-fiches
FR56464E (fr) Perfectionnements apportés aux cycles
FR950545A (fr) Perfectionnements apportés aux gabarits
FR922349A (fr) Perfectionnements aux ventilateurs rotatifs
FR919601A (fr) Perfectionnements aux riveuses
FR943208A (fr) Perfectionnements aux broyeurs-pulvérisateurs
FR915688A (fr) Perfectionnements apportés aux stylographes
FR935125A (fr) Perfectionnements aux pompes rotatives
FR923757A (fr) Perfectionnements aux pompes rotatives
FR912252A (fr) Perfectionnements aux émetteurs télégraphiques
FR927667A (fr) Perfectionnements aux mécanismes de démarrage
FR914929A (fr) Perfectionnements aux constructions
FR909295A (fr) Perfectionnements aux lettres-enveloppes