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WO2012131600A3 - Transmitter and receiver synchronization for wireless telemetry systems - Google Patents

Transmitter and receiver synchronization for wireless telemetry systems Download PDF

Info

Publication number
WO2012131600A3
WO2012131600A3 PCT/IB2012/051493 IB2012051493W WO2012131600A3 WO 2012131600 A3 WO2012131600 A3 WO 2012131600A3 IB 2012051493 W IB2012051493 W IB 2012051493W WO 2012131600 A3 WO2012131600 A3 WO 2012131600A3
Authority
WO
WIPO (PCT)
Prior art keywords
acoustic
electronics
transceiver
electrical signals
transmitter
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/IB2012/051493
Other languages
French (fr)
Other versions
WO2012131600A2 (en
Inventor
Guillaume Millot
Benoit Froelich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Schlumberger Holdings Ltd
Prad Research and Development Ltd
Original Assignee
Schlumberger Canada Ltd
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Schlumberger Holdings Ltd
Prad Research and Development Ltd
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 Schlumberger Canada Ltd, Services Petroliers Schlumberger SA, Schlumberger Technology BV, Schlumberger Holdings Ltd, Prad Research and Development Ltd filed Critical Schlumberger Canada Ltd
Priority to AU2012235718A priority Critical patent/AU2012235718A1/en
Priority to EP12714855.9A priority patent/EP2691606A2/en
Priority to BR112013024846A priority patent/BR112013024846A2/en
Publication of WO2012131600A2 publication Critical patent/WO2012131600A2/en
Anticipated expiration legal-status Critical
Publication of WO2012131600A3 publication Critical patent/WO2012131600A3/en
Priority to AU2016204117A priority patent/AU2016204117B2/en
Ceased legal-status Critical Current

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
    • 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
    • E21B47/16—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 through the drill string or casing, e.g. by torsional acoustic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Transmitters (AREA)

Abstract

An acoustic modem for communication in a network of acoustic modems via a communication channel. The acoustic modem comprises a transceiver assembly, transceiver electronics, and a power supply. The transceiver assembly is adapted to convert acoustic messages into electrical signals. The transceiver electronics is provided with transmitter electronics and receiver electronics. The transmitter electronics cause the transceiver assembly to send acoustic signals into the communication channel. The receiver electronics comprises at least one microcontroller adapted to execute instructions to (1) enable the receiver electronics to receive electrical signals indicative of the acoustic message from at least one other acoustic modem via the transceiver assembly, (2) estimate a carrier frequency of the electrical signals by analyzing an estimation frame of the electrical signals, (3) estimate a starting time of a data frame of the electrical signals by synchronizing with a synchronization frame of the acoustic message in parallel with at least two bit rates, and (4) decode the data frame. The power supply supplies power to the transceiver assembly and the transceiver electronics.
PCT/IB2012/051493 2011-03-30 2012-03-28 Transmitter and receiver synchronization for wireless telemetry systems Ceased WO2012131600A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2012235718A AU2012235718A1 (en) 2011-03-30 2012-03-28 Transmitter and receiver synchronization for wireless telemetry systems
EP12714855.9A EP2691606A2 (en) 2011-03-30 2012-03-28 Transmitter and receiver synchronization for wireless telemetry systems
BR112013024846A BR112013024846A2 (en) 2011-03-30 2012-03-28 method for transmitting data along a pipe in a well, method, acoustic modem for communication on a network of acoustic modems via a communication channel, and computer system
AU2016204117A AU2016204117B2 (en) 2011-03-30 2016-06-17 Transmitter and receiver synchronization for wireless telemetry systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/075,567 US20120250461A1 (en) 2011-03-30 2011-03-30 Transmitter and receiver synchronization for wireless telemetry systems
US13/075,567 2011-03-30

Publications (2)

Publication Number Publication Date
WO2012131600A2 WO2012131600A2 (en) 2012-10-04
WO2012131600A3 true WO2012131600A3 (en) 2013-11-21

Family

ID=45974470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/051493 Ceased WO2012131600A2 (en) 2011-03-30 2012-03-28 Transmitter and receiver synchronization for wireless telemetry systems

Country Status (5)

Country Link
US (1) US20120250461A1 (en)
EP (1) EP2691606A2 (en)
AU (2) AU2012235718A1 (en)
BR (1) BR112013024846A2 (en)
WO (1) WO2012131600A2 (en)

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US11434753B2 (en) 2019-10-14 2022-09-06 Halliburton Energy Services, Inc. Faraday shield
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GB202006904D0 (en) 2020-05-11 2020-06-24 Acoustic Data Ltd Deploying acoustic telemetry equipment
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Also Published As

Publication number Publication date
US20120250461A1 (en) 2012-10-04
AU2012235718A1 (en) 2013-10-10
WO2012131600A2 (en) 2012-10-04
BR112013024846A2 (en) 2016-12-27
AU2016204117A1 (en) 2016-07-07
AU2016204117B2 (en) 2017-12-07
EP2691606A2 (en) 2014-02-05

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