DK200789A - Boreudstyr ved hvilket der anvendes en tidstro transducer - Google Patents

Boreudstyr ved hvilket der anvendes en tidstro transducer Download PDF

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Publication number
DK200789A
DK200789A DK200789A DK200789A DK200789A DK 200789 A DK200789 A DK 200789A DK 200789 A DK200789 A DK 200789A DK 200789 A DK200789 A DK 200789A DK 200789 A DK200789 A DK 200789A
Authority
DK
Denmark
Prior art keywords
timely
transducer
drilling equipment
drilling
equipment
Prior art date
Application number
DK200789A
Other languages
English (en)
Other versions
DK200789D0 (da
Inventor
Albert W Chau
Original Assignee
Flowmole Corp
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 Flowmole Corp filed Critical Flowmole Corp
Publication of DK200789D0 publication Critical patent/DK200789D0/da
Publication of DK200789A publication Critical patent/DK200789A/da

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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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Geophysics And Detection Of Objects (AREA)
DK200789A 1988-04-29 1989-04-25 Boreudstyr ved hvilket der anvendes en tidstro transducer DK200789A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/188,958 US4864293A (en) 1988-04-29 1988-04-29 Inground boring technique including real time transducer

Publications (2)

Publication Number Publication Date
DK200789D0 DK200789D0 (da) 1989-04-25
DK200789A true DK200789A (da) 1989-10-30

Family

ID=22695282

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200789A DK200789A (da) 1988-04-29 1989-04-25 Boreudstyr ved hvilket der anvendes en tidstro transducer

Country Status (5)

Country Link
US (1) US4864293A (da)
EP (1) EP0339825A1 (da)
JP (1) JPH01315584A (da)
AU (1) AU603754B2 (da)
DK (1) DK200789A (da)

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ES2046133B1 (es) * 1992-06-23 1995-02-16 Geoservices Procedimiento e instalacion para la transmision de informaciones, de parametros y de datos a un organo electro-magnetico de recepcion o de mando asociado a una canalizacion subterranea de gran longitud.
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AU2001245389B2 (en) 2000-03-02 2004-08-19 Shell Internationale Research Maatschappij B.V. Wireless power and communications cross-bar switch
CA2401707C (en) 2000-03-02 2009-11-03 Shell Canada Limited Electro-hydraulically pressurized downhole valve actuator
DE60119899T2 (de) 2000-03-02 2006-11-30 Shell Internationale Research Maatschappij B.V. Stromerzeugeung unter verwendung von wiedereinstellbaren entladungsbatterien
US7073594B2 (en) 2000-03-02 2006-07-11 Shell Oil Company Wireless downhole well interval inflow and injection control
US7322410B2 (en) 2001-03-02 2008-01-29 Shell Oil Company Controllable production well packer
US6810973B2 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having offset cutting tooth paths
US6810971B1 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit
US6810972B2 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having a one bolt attachment system
US6827159B2 (en) 2002-02-08 2004-12-07 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having an offset drilling fluid seal
US6814168B2 (en) 2002-02-08 2004-11-09 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having elevated wear protector receptacles
US7080699B2 (en) * 2004-01-29 2006-07-25 Schlumberger Technology Corporation Wellbore communication system
GB2459963B (en) 2008-05-14 2012-07-18 Tracto Technik Device and method to split pipe near utilities
US8695727B2 (en) 2011-02-25 2014-04-15 Merlin Technology, Inc. Drill string adapter and method for inground signal coupling
US9000940B2 (en) * 2012-08-23 2015-04-07 Merlin Technology, Inc. Drill string inground isolator in an MWD system and associated method
US9422802B2 (en) 2013-03-14 2016-08-23 Merlin Technology, Inc. Advanced drill string inground isolator housing in an MWD system and associated method
DE102018003400A1 (de) 2017-04-26 2018-10-31 Florence Engineering s.r.l. Bohrkopf für Erdbohrungen, Bohrvorrichtung für Erdbohrungen aufweisend den Bohrkopf, Verfahren zum Erfassen von Objekten während einer Erdbohrung und Verwendung eines direkten Digitalsynthesizers als ein Signal bei der Erfassung eines Hindernisses beim Erdbohren
US20180313210A1 (en) * 2017-04-26 2018-11-01 Tracto-Technik Gmbh & Co. Kg Drill head for earth boring, Drilling device for earth boring having the drill head, Method to detect objects while earth boring and Use of a receiver for receiving a radio signal in a drill head for earth boring

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US4864293A (en) * 1988-04-29 1989-09-05 Flowmole Corporation Inground boring technique including real time transducer

Also Published As

Publication number Publication date
DK200789D0 (da) 1989-04-25
US4864293A (en) 1989-09-05
AU603754B2 (en) 1990-11-22
AU3263389A (en) 1989-11-02
EP0339825A1 (en) 1989-11-02
JPH01315584A (ja) 1989-12-20

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Legal Events

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AHB Application shelved due to non-payment