GB148984A - Directing device for guiding the boring head in bore-holes - Google Patents

Directing device for guiding the boring head in bore-holes

Info

Publication number
GB148984A
GB148984A GB20844/20A GB2084420A GB148984A GB 148984 A GB148984 A GB 148984A GB 20844/20 A GB20844/20 A GB 20844/20A GB 2084420 A GB2084420 A GB 2084420A GB 148984 A GB148984 A GB 148984A
Authority
GB
United Kingdom
Prior art keywords
bore
guiding
holes
boring head
directing device
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
GB20844/20A
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 GB148984A publication Critical patent/GB148984A/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)
GB20844/20A 1917-12-28 1920-07-10 Directing device for guiding the boring head in bore-holes Expired GB148984A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB148984A true GB148984A (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 Before (1)

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

Country Status (5)

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

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
DE332712C (de) 1921-02-09
DE303841C (enExample) 1919-07-12
FR550358A (fr) 1923-03-05
GB148421A (en) 1921-11-10
US1588154A (en) 1926-06-08
NL4987C (enExample) 1917-06-04

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