JPWO2021192386A1 - - Google Patents

Info

Publication number
JPWO2021192386A1
JPWO2021192386A1 JP2022509237A JP2022509237A JPWO2021192386A1 JP WO2021192386 A1 JPWO2021192386 A1 JP WO2021192386A1 JP 2022509237 A JP2022509237 A JP 2022509237A JP 2022509237 A JP2022509237 A JP 2022509237A JP WO2021192386 A1 JPWO2021192386 A1 JP WO2021192386A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022509237A
Other languages
Japanese (ja)
Other versions
JP7309121B2 (en
JPWO2021192386A5 (en
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.)
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Application filed filed Critical
Publication of JPWO2021192386A1 publication Critical patent/JPWO2021192386A1/ja
Publication of JPWO2021192386A5 publication Critical patent/JPWO2021192386A5/en
Application granted granted Critical
Publication of JP7309121B2 publication Critical patent/JP7309121B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure

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)
JP2022509237A 2020-03-24 2020-10-28 drilling equipment Active JP7309121B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062993747P 2020-03-24 2020-03-24
US62/993,747 2020-03-24
PCT/JP2020/040497 WO2021192386A1 (en) 2020-03-24 2020-10-28 Excavating device and excavating method

Publications (3)

Publication Number Publication Date
JPWO2021192386A1 true JPWO2021192386A1 (en) 2021-09-30
JPWO2021192386A5 JPWO2021192386A5 (en) 2022-08-02
JP7309121B2 JP7309121B2 (en) 2023-07-18

Family

ID=77891074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022509237A Active JP7309121B2 (en) 2020-03-24 2020-10-28 drilling equipment

Country Status (2)

Country Link
JP (1) JP7309121B2 (en)
WO (1) WO2021192386A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574480U (en) * 1980-06-05 1982-01-11
JP2007284972A (en) * 2006-04-14 2007-11-01 Higuchi Gikou:Kk Drilling apparatus
JP2008038444A (en) * 2006-08-04 2008-02-21 Mitsubishi Materials Corp Excavating tool
JP2011153411A (en) * 2010-01-26 2011-08-11 Ito Yosetsu Kogyo Kk Extensible excavating bit and excavation method using the same
JP2014218817A (en) * 2013-05-08 2014-11-20 日本ベース株式会社 Earth auger and method for removing underground obstacle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574480U (en) * 1980-06-05 1982-01-11
JP2007284972A (en) * 2006-04-14 2007-11-01 Higuchi Gikou:Kk Drilling apparatus
JP2008038444A (en) * 2006-08-04 2008-02-21 Mitsubishi Materials Corp Excavating tool
JP2011153411A (en) * 2010-01-26 2011-08-11 Ito Yosetsu Kogyo Kk Extensible excavating bit and excavation method using the same
JP2014218817A (en) * 2013-05-08 2014-11-20 日本ベース株式会社 Earth auger and method for removing underground obstacle

Also Published As

Publication number Publication date
JP7309121B2 (en) 2023-07-18
WO2021192386A1 (en) 2021-09-30

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