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EA200000620A1 - Система передачи данных из скважины с использованием модуляции импеданса (варианты), способ и устройство для передачи - Google Patents

Система передачи данных из скважины с использованием модуляции импеданса (варианты), способ и устройство для передачи

Info

Publication number
EA200000620A1
EA200000620A1 EA200000620A EA200000620A EA200000620A1 EA 200000620 A1 EA200000620 A1 EA 200000620A1 EA 200000620 A EA200000620 A EA 200000620A EA 200000620 A EA200000620 A EA 200000620A EA 200000620 A1 EA200000620 A1 EA 200000620A1
Authority
EA
Eurasian Patent Office
Prior art keywords
data
signal circuit
wellhead
transmission system
data transmission
Prior art date
Application number
EA200000620A
Other languages
English (en)
Other versions
EA002894B1 (ru
Inventor
Стивен Мартин Хадсон
Original Assignee
Флайт Рефьюэллинг Лтд.
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 Флайт Рефьюэллинг Лтд. filed Critical Флайт Рефьюэллинг Лтд.
Publication of EA200000620A1 publication Critical patent/EA200000620A1/ru
Publication of EA002894B1 publication Critical patent/EA002894B1/ru

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Hall/Mr Elements (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
  • Communication Control (AREA)
  • Dc Digital Transmission (AREA)

Abstract

Предложена система передачи данных для использования при извлечении данных из точки в нижней части скважины. Скважина содержит токопроводящую погружную конструкцию (2, ОТ), которая вместе с возвратным каналом через землю образует сигнальную цепь, используемую для передачи данных. Источник (34) тока имеется в устье скважины для подачи опорного сигнала к погружной конструкции (2, ОТ). Средства (48) изменения величины эффективного импеданса расположены в нижней части скважины и используются для изменения величины эффективного импеданса сигнальной цепи в зависимости от данных, подлежащих передаче к устью скважины. Средства (35) текущего контроля для текущего контроля изменений величины опорного сигнала, вызванных изменением величины эффективного импеданса сигнальной цепи, расположены в устье скважины. Текущий контроль этих изменений позволяет извлекать данные. Отдельная опорная точка заземления может быть предусмотрена для средств текущего контроля для частичного устранения эффекта несовершенства соединения (S) через землю, используемого для замыкания сигнальной цепи.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200000620A 1998-01-16 1999-01-15 Система передачи данных из скважины с использованием модуляции импеданса (варианты), способ и устройство для передачи EA002894B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9801010.1A GB9801010D0 (en) 1998-01-16 1998-01-16 Data transmission systems
PCT/GB1999/000129 WO1999037044A1 (en) 1998-01-16 1999-01-15 Bore hole transmission system using impedance modulation

Publications (2)

Publication Number Publication Date
EA200000620A1 true EA200000620A1 (ru) 2001-02-26
EA002894B1 EA002894B1 (ru) 2002-10-31

Family

ID=10825458

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200000620A EA002894B1 (ru) 1998-01-16 1999-01-15 Система передачи данных из скважины с использованием модуляции импеданса (варианты), способ и устройство для передачи

Country Status (13)

Country Link
US (1) US6469635B1 (ru)
EP (1) EP1062753B1 (ru)
AT (1) ATE236477T1 (ru)
AU (1) AU2067499A (ru)
BR (1) BR9907003A (ru)
CA (1) CA2318485C (ru)
DE (1) DE69906498T2 (ru)
DK (1) DK1062753T3 (ru)
EA (1) EA002894B1 (ru)
ES (1) ES2195536T3 (ru)
GB (1) GB9801010D0 (ru)
NO (1) NO317647B1 (ru)
WO (1) WO1999037044A1 (ru)

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Also Published As

Publication number Publication date
DE69906498D1 (de) 2003-05-08
AU2067499A (en) 1999-08-02
CA2318485A1 (en) 1999-07-22
EA002894B1 (ru) 2002-10-31
NO317647B1 (no) 2004-11-29
DE69906498T2 (de) 2004-04-08
WO1999037044A1 (en) 1999-07-22
BR9907003A (pt) 2000-10-10
EP1062753A1 (en) 2000-12-27
EP1062753B1 (en) 2003-04-02
GB9801010D0 (en) 1998-03-18
NO20003638D0 (no) 2000-07-14
NO20003638L (no) 2000-09-08
ATE236477T1 (de) 2003-04-15
US6469635B1 (en) 2002-10-22
ES2195536T3 (es) 2003-12-01
CA2318485C (en) 2006-03-21
DK1062753T3 (da) 2003-07-21

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM RU