DE204834C - - Google Patents

Info

Publication number
DE204834C
DE204834C DENDAT204834D DE204834DA DE204834C DE 204834 C DE204834 C DE 204834C DE NDAT204834 D DENDAT204834 D DE NDAT204834D DE 204834D A DE204834D A DE 204834DA DE 204834 C DE204834 C DE 204834C
Authority
DE
Germany
Prior art keywords
resilient
drill handle
schwengel
rear end
produce
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.)
Active
Application number
DENDAT204834D
Other languages
German (de)
English (en)
Publication of DE204834C publication Critical patent/DE204834C/de
Active 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
    • E21B1/00—Percussion drilling
    • E21B1/36—Tool-carrier piston type, i.e. in which the tool is connected to an impulse member

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DENDAT204834D Active DE204834C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE204834C true DE204834C (enrdf_load_stackoverflow)

Family

ID=467130

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT204834D Active DE204834C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE204834C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354395A (en) * 1980-12-15 1982-10-19 Page John S Jr Shock absorption apparatus associated with well pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354395A (en) * 1980-12-15 1982-10-19 Page John S Jr Shock absorption apparatus associated with well pump

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