SE8402249D0 - DEVICE FOR A DRILLING PLANT - Google Patents

DEVICE FOR A DRILLING PLANT

Info

Publication number
SE8402249D0
SE8402249D0 SE8402249A SE8402249A SE8402249D0 SE 8402249 D0 SE8402249 D0 SE 8402249D0 SE 8402249 A SE8402249 A SE 8402249A SE 8402249 A SE8402249 A SE 8402249A SE 8402249 D0 SE8402249 D0 SE 8402249D0
Authority
SE
Sweden
Prior art keywords
drilling plant
drilling
plant
Prior art date
Application number
SE8402249A
Other languages
Swedish (sv)
Other versions
SE8402249L (en
Inventor
C Strindberg
Original Assignee
Tung Geoteknisk Borrning Ab
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 Tung Geoteknisk Borrning Ab filed Critical Tung Geoteknisk Borrning Ab
Priority to SE8402249A priority Critical patent/SE8402249L/en
Publication of SE8402249D0 publication Critical patent/SE8402249D0/en
Priority to NO851650A priority patent/NO851650L/en
Publication of SE8402249L publication Critical patent/SE8402249L/en

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
SE8402249A 1984-04-25 1984-04-25 DEVICE FOR A DRILLING PLANT SE8402249L (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8402249A SE8402249L (en) 1984-04-25 1984-04-25 DEVICE FOR A DRILLING PLANT
NO851650A NO851650L (en) 1984-04-25 1985-04-25 DEVICE FOR A DRILLING PLANT.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8402249A SE8402249L (en) 1984-04-25 1984-04-25 DEVICE FOR A DRILLING PLANT

Publications (2)

Publication Number Publication Date
SE8402249D0 true SE8402249D0 (en) 1984-04-25
SE8402249L SE8402249L (en) 1985-10-26

Family

ID=20355664

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8402249A SE8402249L (en) 1984-04-25 1984-04-25 DEVICE FOR A DRILLING PLANT

Country Status (2)

Country Link
NO (1) NO851650L (en)
SE (1) SE8402249L (en)

Also Published As

Publication number Publication date
SE8402249L (en) 1985-10-26
NO851650L (en) 1985-10-28

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8402249-0

Effective date: 19871101