GB148421A - Method of and means for fixing directing devices in boreholes - Google Patents

Method of and means for fixing directing devices in boreholes

Info

Publication number
GB148421A
GB148421A GB20368/20A GB2036820A GB148421A GB 148421 A GB148421 A GB 148421A GB 20368/20 A GB20368/20 A GB 20368/20A GB 2036820 A GB2036820 A GB 2036820A GB 148421 A GB148421 A GB 148421A
Authority
GB
United Kingdom
Prior art keywords
bore
cylinder
wedge
cement
hole
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
GB20368/20A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nautische Instr Ges GmbH
Original Assignee
Nautische Instr Ges GmbH
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 by Nautische Instr Ges GmbH filed Critical Nautische Instr Ges GmbH
Publication of GB148421A publication Critical patent/GB148421A/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
    • 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)
  • Bulkheads Adapted To Foundation Construction (AREA)
GB20368/20A 1917-12-28 1920-07-10 Method of and means for fixing directing devices in boreholes Expired GB148421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE332712T 1917-12-28

Publications (1)

Publication Number Publication Date
GB148421A true GB148421A (en) 1921-11-10

Family

ID=6205070

Family Applications (2)

Application Number Title Priority Date Filing Date
GB20368/20A Expired GB148421A (en) 1917-12-28 1920-07-10 Method of and means for fixing directing devices in boreholes
GB20844/20A Expired GB148984A (en) 1917-12-28 1920-07-10 Directing device for guiding the boring head in bore-holes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB20844/20A Expired GB148984A (en) 1917-12-28 1920-07-10 Directing device for guiding the boring head in bore-holes

Country Status (5)

Country Link
US (1) US1588154A (enrdf_load_stackoverflow)
DE (2) DE332712C (enrdf_load_stackoverflow)
FR (1) FR550358A (enrdf_load_stackoverflow)
GB (2) GB148421A (enrdf_load_stackoverflow)
NL (1) NL4987C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527295A (en) * 1968-11-12 1970-09-08 William O Gangl Tool article and method of use
DE29701622U1 (de) * 1997-01-31 1998-06-04 Krupp Fördertechnik GmbH, 45143 Essen Prallwerk

Also Published As

Publication number Publication date
US1588154A (en) 1926-06-08
NL4987C (enrdf_load_stackoverflow) 1917-06-04
GB148984A (en) 1921-11-10
DE332712C (de) 1921-02-09
FR550358A (fr) 1923-03-05
DE303841C (enrdf_load_stackoverflow) 1919-07-12

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