NL34377C - - Google Patents

Info

Publication number
NL34377C
NL34377C NL46144A NL46144A NL34377C NL 34377 C NL34377 C NL 34377C NL 46144 A NL46144 A NL 46144A NL 46144 A NL46144 A NL 46144A NL 34377 C NL34377 C NL 34377C
Authority
NL
Netherlands
Application number
NL46144A
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
Priority claimed from DEB137463D external-priority patent/DE592359C/de
Application filed filed Critical
Application granted granted Critical
Publication of NL34377C publication Critical patent/NL34377C/xx

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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00—Investigation of foundation soil in situ
    • E02D1/02—Investigation of foundation soil in situ before construction work
    • E02D1/04—Sampling of soil
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/08—Coating, freezing, consolidating cores; Recovering uncontaminated cores or cores at formation pressure
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/10—Formed core retaining or severing means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Soil Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
NL46144A 1928-05-08 1929-05-02 NL34377C (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB137463D DE592359C (de) 1928-05-08 1928-05-08 Probenehmer mit einem Kernrohr
DEB139291D DE622027C (de) 1928-05-08 1928-09-11 Verfahren und Vorrichtung zum Verschliessen des Kernrohres bei dem Probenehmer

Publications (1)

Publication Number Publication Date
NL34377C true NL34377C (enrdf_load_stackoverflow) 1935-01-15

Family

ID=25968733

Family Applications (1)

Application Number Title Priority Date Filing Date
NL46144A NL34377C (enrdf_load_stackoverflow) 1928-05-08 1929-05-02

Country Status (3)

Country Link
DE (1) DE622027C (enrdf_load_stackoverflow)
FR (1) FR674713A (enrdf_load_stackoverflow)
NL (1) NL34377C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR674713A (fr) 1930-01-31
DE622027C (de) 1935-11-18

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