NO880031L - Anordning for dataoverfoering ved borebroenner. - Google Patents

Anordning for dataoverfoering ved borebroenner.

Info

Publication number
NO880031L
NO880031L NO880031A NO880031A NO880031L NO 880031 L NO880031 L NO 880031L NO 880031 A NO880031 A NO 880031A NO 880031 A NO880031 A NO 880031A NO 880031 L NO880031 L NO 880031L
Authority
NO
Norway
Prior art keywords
signal
effect sensor
section
threaded
hall effect
Prior art date
Application number
NO880031A
Other languages
English (en)
Norwegian (no)
Other versions
NO880031D0 (no
Inventor
Mig Allen Howard
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of NO880031D0 publication Critical patent/NO880031D0/no
Publication of NO880031L publication Critical patent/NO880031L/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/013Devices specially adapted for supporting measuring instruments on drill bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017Protecting measuring instruments

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Communication Control (AREA)
  • Earth Drilling (AREA)
NO880031A 1987-01-08 1988-01-06 Anordning for dataoverfoering ved borebroenner. NO880031L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/001,286 US4788544A (en) 1987-01-08 1987-01-08 Well bore data transmission system

Publications (2)

Publication Number Publication Date
NO880031D0 NO880031D0 (no) 1988-01-06
NO880031L true NO880031L (no) 1988-07-11

Family

ID=21695261

Family Applications (1)

Application Number Title Priority Date Filing Date
NO880031A NO880031L (no) 1987-01-08 1988-01-06 Anordning for dataoverfoering ved borebroenner.

Country Status (7)

Country Link
US (1) US4788544A (de)
EP (1) EP0274457B1 (de)
JP (1) JPS63176589A (de)
BR (1) BR8800035A (de)
CA (1) CA1255358A (de)
DE (1) DE3861322D1 (de)
NO (1) NO880031L (de)

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Also Published As

Publication number Publication date
DE3861322D1 (de) 1991-02-07
BR8800035A (pt) 1988-08-02
EP0274457B1 (de) 1991-01-02
CA1255358A (en) 1989-06-06
NO880031D0 (no) 1988-01-06
US4788544A (en) 1988-11-29
JPS63176589A (ja) 1988-07-20
EP0274457A3 (en) 1989-03-01
EP0274457A2 (de) 1988-07-13

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