FR391801A - Perfectionnements apportés aux perforatrices - Google Patents

Perfectionnements apportés aux perforatrices

Info

Publication number
FR391801A
FR391801A FR391801A FR391801DA FR391801A FR 391801 A FR391801 A FR 391801A FR 391801 A FR391801 A FR 391801A FR 391801D A FR391801D A FR 391801DA FR 391801 A FR391801 A FR 391801A
Authority
FR
France
Prior art keywords
perforators
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
FR391801A
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR391801A publication Critical patent/FR391801A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/011—Dust eliminating or dust removing while drilling
    • E21B21/013—Dust eliminating or dust removing while drilling by liquids

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)
FR391801A 1908-06-30 1908-06-30 Perfectionnements apportés aux perforatrices Expired FR391801A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR391801T 1908-06-30

Publications (1)

Publication Number Publication Date
FR391801A true FR391801A (fr) 1908-11-10

Family

ID=1437229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR391801A Expired FR391801A (fr) 1908-06-30 1908-06-30 Perfectionnements apportés aux perforatrices

Country Status (1)

Country Link
FR (1) FR391801A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026709B (de) * 1954-10-23 1958-03-27 Ingbuero Dipl Ing Friedrich He Gesteinsbohrhammer mit axialer Spuelleitung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026709B (de) * 1954-10-23 1958-03-27 Ingbuero Dipl Ing Friedrich He Gesteinsbohrhammer mit axialer Spuelleitung

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