NL6509828A - - Google Patents

Info

Publication number
NL6509828A
NL6509828A NL6509828A NL6509828A NL6509828A NL 6509828 A NL6509828 A NL 6509828A NL 6509828 A NL6509828 A NL 6509828A NL 6509828 A NL6509828 A NL 6509828A NL 6509828 A NL6509828 A NL 6509828A
Authority
NL
Netherlands
Application number
NL6509828A
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
Priority to NL6509828A priority Critical patent/NL6509828A/xx
Publication of NL6509828A publication Critical patent/NL6509828A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/16—Drill collars
    • 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)
NL6509828A 1965-07-29 1965-07-29 NL6509828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL6509828A NL6509828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-07-29 1965-07-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6509828A NL6509828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-07-29 1965-07-29

Publications (1)

Publication Number Publication Date
NL6509828A true NL6509828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-01-30

Family

ID=19793765

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6509828A NL6509828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-07-29 1965-07-29

Country Status (1)

Country Link
NL (1) NL6509828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749051A (en) * 1984-10-01 1988-06-07 Santrade Limited Drill steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749051A (en) * 1984-10-01 1988-06-07 Santrade Limited Drill steel

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