NL26635C - - Google Patents

Info

Publication number
NL26635C
NL26635C NL26635DA NL26635C NL 26635 C NL26635 C NL 26635C NL 26635D A NL26635D A NL 26635DA NL 26635 C NL26635 C NL 26635C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL26635C publication Critical patent/NL26635C/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/10—Correction of deflected boreholes
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

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)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
NL26635D 1930-07-26 NL26635C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2258530A GB356404A (en) 1930-07-26 1930-07-26 Method and apparatus for deflecting a slanting bore-hole into a vertical direction

Publications (1)

Publication Number Publication Date
NL26635C true NL26635C (enrdf_load_stackoverflow) 1931-11-16

Family

ID=10181803

Family Applications (1)

Application Number Title Priority Date Filing Date
NL26635D NL26635C (enrdf_load_stackoverflow) 1930-07-26

Country Status (3)

Country Link
DE (1) DE568941C (enrdf_load_stackoverflow)
GB (1) GB356404A (enrdf_load_stackoverflow)
NL (1) NL26635C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3902869C1 (enrdf_load_stackoverflow) * 1989-02-01 1990-04-12 Eastman Christensen Co., Salt Lake City, Utah, Us

Also Published As

Publication number Publication date
GB356404A (en) 1931-09-10
DE568941C (de) 1933-01-26

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