FR704831A - Advancement device for percussion motors - Google Patents

Advancement device for percussion motors

Info

Publication number
FR704831A
FR704831A FR704831DA FR704831A FR 704831 A FR704831 A FR 704831A FR 704831D A FR704831D A FR 704831DA FR 704831 A FR704831 A FR 704831A
Authority
FR
France
Prior art keywords
advancement device
percussion
motors
percussion motors
advancement
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.)
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 FR704831A publication Critical patent/FR704831A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)
FR704831D 1930-01-30 1930-10-31 Advancement device for percussion motors Expired FR704831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US355587XA 1930-01-30 1930-01-30

Publications (1)

Publication Number Publication Date
FR704831A true FR704831A (en) 1931-05-27

Family

ID=21883438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704831D Expired FR704831A (en) 1930-01-30 1930-10-31 Advancement device for percussion motors

Country Status (4)

Country Link
BE (1) BE374713A (en)
DE (1) DE559509C (en)
FR (1) FR704831A (en)
GB (1) GB355587A (en)

Also Published As

Publication number Publication date
GB355587A (en) 1931-08-27
BE374713A (en)
DE559509C (en) 1932-09-21

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