FR736982A - Dedusting device for perforators - Google Patents

Dedusting device for perforators

Info

Publication number
FR736982A
FR736982A FR736982DA FR736982A FR 736982 A FR736982 A FR 736982A FR 736982D A FR736982D A FR 736982DA FR 736982 A FR736982 A FR 736982A
Authority
FR
France
Prior art keywords
perforators
dedusting device
dedusting
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
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.)
KELLEY ATWELL DEV CORP
Original Assignee
KELLEY ATWELL DEV CORP
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 KELLEY ATWELL DEV CORP filed Critical KELLEY ATWELL DEV CORP
Application granted granted Critical
Publication of FR736982A publication Critical patent/FR736982A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/07—Arrangements for treating drilling fluids outside the borehole for treating dust-laden gaseous fluids

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)
FR736982D 1932-05-11 1932-05-11 Dedusting device for perforators Expired FR736982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR736982T 1932-05-11

Publications (1)

Publication Number Publication Date
FR736982A true FR736982A (en) 1932-12-05

Family

ID=9131532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736982D Expired FR736982A (en) 1932-05-11 1932-05-11 Dedusting device for perforators

Country Status (1)

Country Link
FR (1) FR736982A (en)

Similar Documents

Publication Publication Date Title
FR842044A (en) Projection device for still views
FR761302A (en) Photophonographic apparatus
FR736982A (en) Dedusting device for perforators
FR737092A (en) Nut-union device
FR751721A (en) Device for straightening points
FR42338E (en) Device for sliding tracks
FR740052A (en) Device for stripping pavements
FR735409A (en) Massage device
FR750979A (en) Projection device
FR735152A (en) Ausculto-percussion device
FR721721A (en) Projection device for advertising
FR753206A (en) Photophonographic apparatus
FR734580A (en) Portable device for opening oysters
FR736340A (en) Propulsion device for swimmers
FR705870A (en) Device for drawing letters
FR784587A (en) Device for ironing ties
FR755031A (en) Impact device for projectiles
FR753493A (en) Device for scoring points
FR759931A (en) Signaling device for vehicles
FR778508A (en) Receiving device for teleprinter
FR41596E (en) Spreadsheet-balance-accountant device
FR41510E (en) Fumivorous device
FR41315E (en) Starting device
FR701814A (en) Tapping device
FR761021A (en) Apparatus for preparing emulsions