LU29143A1 - - Google Patents

Info

Publication number
LU29143A1
LU29143A1 LU29143DA LU29143A1 LU 29143 A1 LU29143 A1 LU 29143A1 LU 29143D A LU29143D A LU 29143DA LU 29143 A1 LU29143 A1 LU 29143A1
Authority
LU
Luxembourg
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.)
Filing date
Publication date
Application filed filed Critical
Publication of LU29143A1 publication Critical patent/LU29143A1/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
    • E21B7/002—Drilling with diversely driven shafts extending into the borehole

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)
LU29143D 1947-07-30 1948-07-12 LU29143A1 (US06262066-20010717-C00503.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR539062 1947-07-30

Publications (1)

Publication Number Publication Date
LU29143A1 true LU29143A1 (US06262066-20010717-C00503.png) 1948-09-13

Family

ID=8688377

Family Applications (1)

Application Number Title Priority Date Filing Date
LU29143D LU29143A1 (US06262066-20010717-C00503.png) 1947-07-30 1948-07-12

Country Status (1)

Country Link
LU (1) LU29143A1 (US06262066-20010717-C00503.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115749584A (zh) * 2022-08-23 2023-03-07 枣庄市瑞隆机械制造有限公司 一种用于矿产开采岩石钻进装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115749584A (zh) * 2022-08-23 2023-03-07 枣庄市瑞隆机械制造有限公司 一种用于矿产开采岩石钻进装置

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