NO985278D0 - Elektromagnetiske-til-akustiske og akustiske-til-elektro-magnetiske forsterkere og fremgangsmÕter for bruk av disse - Google Patents

Elektromagnetiske-til-akustiske og akustiske-til-elektro-magnetiske forsterkere og fremgangsmÕter for bruk av disse

Info

Publication number
NO985278D0
NO985278D0 NO985278A NO985278A NO985278D0 NO 985278 D0 NO985278 D0 NO 985278D0 NO 985278 A NO985278 A NO 985278A NO 985278 A NO985278 A NO 985278A NO 985278 D0 NO985278 D0 NO 985278D0
Authority
NO
Norway
Prior art keywords
acoustic
electromagnetic
methods
amplifiers
electromagnetic amplifiers
Prior art date
Application number
NO985278A
Other languages
English (en)
Other versions
NO985278L (no
Inventor
Paul G Ringgenberg
Harrison C Smith
Original Assignee
Halliburton Energy Serv Inc
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 Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Publication of NO985278D0 publication Critical patent/NO985278D0/no
Publication of NO985278L publication Critical patent/NO985278L/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means 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
    • E21B47/14—Means 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 using acoustic waves
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means 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
    • E21B47/13—Means 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
NO985278A 1997-12-01 1998-11-12 Elektromagnetiske-til-akustiske og akustiske-til-elektro-magnetiske forsterkere og fremgangsmÕter for bruk av disse NO985278L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/980,597 US6177882B1 (en) 1997-12-01 1997-12-01 Electromagnetic-to-acoustic and acoustic-to-electromagnetic repeaters and methods for use of same

Publications (2)

Publication Number Publication Date
NO985278D0 true NO985278D0 (no) 1998-11-12
NO985278L NO985278L (no) 1999-06-02

Family

ID=25527700

Family Applications (1)

Application Number Title Priority Date Filing Date
NO985278A NO985278L (no) 1997-12-01 1998-11-12 Elektromagnetiske-til-akustiske og akustiske-til-elektro-magnetiske forsterkere og fremgangsmÕter for bruk av disse

Country Status (3)

Country Link
US (1) US6177882B1 (no)
EP (1) EP0919697A3 (no)
NO (1) NO985278L (no)

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EP0919697A3 (en) 2001-05-16
US6177882B1 (en) 2001-01-23
NO985278L (no) 1999-06-02

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