NL44075C - - Google Patents

Info

Publication number
NL44075C
NL44075C NL44075DA NL44075C NL 44075 C NL44075 C NL 44075C NL 44075D A NL44075D A NL 44075DA NL 44075 C NL44075 C NL 44075C
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 NL44075C publication Critical patent/NL44075C/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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit

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)
  • Earth Drilling (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
NL44075D 1936-11-04 NL44075C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3007136A GB473112A (en) 1936-11-04 1936-11-04 Improvements in and relating to underreamers and oversize hole drilling tools for drilling boreholes such as wells

Publications (1)

Publication Number Publication Date
NL44075C true NL44075C (enrdf_load_html_response) 1938-04-15

Family

ID=10301801

Family Applications (1)

Application Number Title Priority Date Filing Date
NL44075D NL44075C (enrdf_load_html_response) 1936-11-04

Country Status (2)

Country Link
GB (1) GB473112A (enrdf_load_html_response)
NL (1) NL44075C (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210370423A1 (en) * 2020-05-27 2021-12-02 The Boeing Company Apparatus, Systems, and Methods for Forming Aligned Holes From Misaligned Holes

Also Published As

Publication number Publication date
GB473112A (en) 1937-10-06

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