FR827140A - Hydraulic motor used for drilling and in which a cylinder carrying a drilling member is raised and lowered alternately with respect to a piston attached to a rod - Google Patents

Hydraulic motor used for drilling and in which a cylinder carrying a drilling member is raised and lowered alternately with respect to a piston attached to a rod

Info

Publication number
FR827140A
FR827140A FR827140DA FR827140A FR 827140 A FR827140 A FR 827140A FR 827140D A FR827140D A FR 827140DA FR 827140 A FR827140 A FR 827140A
Authority
FR
France
Prior art keywords
drilling
raised
rod
respect
hydraulic motor
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)
Inventor
Theo Seifer
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 filed Critical
Application granted granted Critical
Publication of FR827140A publication Critical patent/FR827140A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
  • Actuator (AREA)
  • Earth Drilling (AREA)
FR827140D 1936-10-30 1937-09-27 Hydraulic motor used for drilling and in which a cylinder carrying a drilling member is raised and lowered alternately with respect to a piston attached to a rod Expired FR827140A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1936S0124738 DE690241C (en) 1936-10-30 1936-10-30 Pusher drilling device driven by the flushing fluid
FR827140T 1937-09-27
NL84406A NL48411C (en) 1936-10-30 1937-10-05

Publications (1)

Publication Number Publication Date
FR827140A true FR827140A (en) 1938-04-20

Family

ID=7986335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR827140D Expired FR827140A (en) 1936-10-30 1937-09-27 Hydraulic motor used for drilling and in which a cylinder carrying a drilling member is raised and lowered alternately with respect to a piston attached to a rod

Country Status (4)

Country Link
US (1) US2129104A (en)
DE (1) DE690241C (en)
FR (1) FR827140A (en)
NL (1) NL48411C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343565C2 (en) * 1983-12-01 1985-11-14 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Downhole hammer
CA2972829C (en) * 2015-03-27 2022-03-08 Anderson, Charles Abernethy Apparatus and method for modifying axial force

Also Published As

Publication number Publication date
DE690241C (en) 1940-04-19
NL48411C (en) 1940-05-15
US2129104A (en) 1938-09-06

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