CH655546B - - Google Patents

Info

Publication number
CH655546B
CH655546B CH205082A CH205082A CH655546B CH 655546 B CH655546 B CH 655546B CH 205082 A CH205082 A CH 205082A CH 205082 A CH205082 A CH 205082A CH 655546 B CH655546 B CH 655546B
Authority
CH
Switzerland
Application number
CH205082A
Other languages
German (de)
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
Publication of CH655546B publication Critical patent/CH655546B/de

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Actuator (AREA)
CH205082A 1981-04-03 1982-04-02 CH655546B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813113514 DE3113514C2 (de) 1981-04-03 1981-04-03 Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders

Publications (1)

Publication Number Publication Date
CH655546B true CH655546B (enrdf_load_stackoverflow) 1986-04-30

Family

ID=6129277

Family Applications (1)

Application Number Title Priority Date Filing Date
CH205082A CH655546B (enrdf_load_stackoverflow) 1981-04-03 1982-04-02

Country Status (2)

Country Link
CH (1) CH655546B (enrdf_load_stackoverflow)
DE (1) DE3113514C2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607531B1 (fr) * 1986-12-02 1989-02-24 Delbaere Gilles Dispositif de forage de sol agissant selon un axe sensiblement horizontal
AT397692B (de) * 1992-02-19 1994-06-27 Voest Alpine Bergtechnik Schildvortriebsmaschine
CN104514500A (zh) * 2013-09-27 2015-04-15 中国石油化工集团公司 一种用于超浅层水平井套管配重器

Also Published As

Publication number Publication date
DE3113514C2 (de) 1983-12-29
DE3113514A1 (de) 1982-11-18

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Legal Events

Date Code Title Description
PL Patent ceased