BRPI0917236A2 - receptor (ofdm) por multiplexação por divisão de frequência ortogonal de baixa largura de faixa, sistema de telemetria eletromagnética (em) de furo abaixo , e, meio usável em computador com instruções de software - Google Patents

receptor (ofdm) por multiplexação por divisão de frequência ortogonal de baixa largura de faixa, sistema de telemetria eletromagnética (em) de furo abaixo , e, meio usável em computador com instruções de software

Info

Publication number
BRPI0917236A2
BRPI0917236A2 BRPI0917236A BRPI0917236A BRPI0917236A2 BR PI0917236 A2 BRPI0917236 A2 BR PI0917236A2 BR PI0917236 A BRPI0917236 A BR PI0917236A BR PI0917236 A BRPI0917236 A BR PI0917236A BR PI0917236 A2 BRPI0917236 A2 BR PI0917236A2
Authority
BR
Brazil
Prior art keywords
ofdm
receiver
frequency division
division multiplexing
orthogonal frequency
Prior art date
Application number
BRPI0917236A
Other languages
English (en)
Inventor
Carl A Robbins
Original Assignee
Hallburton Energy Services 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 Hallburton Energy Services Inc filed Critical Hallburton Energy Services Inc
Publication of BRPI0917236A2 publication Critical patent/BRPI0917236A2/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
BRPI0917236A 2008-08-18 2009-06-11 receptor (ofdm) por multiplexação por divisão de frequência ortogonal de baixa largura de faixa, sistema de telemetria eletromagnética (em) de furo abaixo , e, meio usável em computador com instruções de software BRPI0917236A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/193,525 US8749400B2 (en) 2008-08-18 2008-08-18 Symbol synchronization for downhole OFDM telemetry
PCT/US2009/047063 WO2010021782A1 (en) 2008-08-18 2009-06-11 Symbol synchronization for downhole ofdm telemetry

Publications (1)

Publication Number Publication Date
BRPI0917236A2 true BRPI0917236A2 (pt) 2015-11-10

Family

ID=41680972

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917236A BRPI0917236A2 (pt) 2008-08-18 2009-06-11 receptor (ofdm) por multiplexação por divisão de frequência ortogonal de baixa largura de faixa, sistema de telemetria eletromagnética (em) de furo abaixo , e, meio usável em computador com instruções de software

Country Status (4)

Country Link
US (1) US8749400B2 (pt)
BR (1) BRPI0917236A2 (pt)
GB (1) GB2476885B (pt)
WO (1) WO2010021782A1 (pt)

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US8749400B2 (en) 2008-08-18 2014-06-10 Halliburton Energy Services, Inc. Symbol synchronization for downhole OFDM telemetry
US9098519B2 (en) * 2008-09-16 2015-08-04 File System Labs Llc Methods and apparatus for distributed data storage
US9664815B2 (en) * 2008-09-25 2017-05-30 Baker Hughes Incorporated Telemetry method and system for subsurface well and reservoir and logging data
US8239710B2 (en) * 2008-10-31 2012-08-07 Industrial Technology Research Institute Communication methods and systems having permutation schemes
US20100295702A1 (en) * 2009-05-20 2010-11-25 Baker Hughes Incorporated High Speed Telemetry Full-Duplex Pre-Equalized OFDM Over Wireline for Downhole Communication
US8472540B2 (en) * 2010-11-30 2013-06-25 Intel Corporation Frequency and timing offset estimation algorithm for DTV (DVB-T2) receivers
US20120163523A1 (en) * 2010-12-22 2012-06-28 Smith International, Inc. Synchronization methods for downhole communication
US9778389B2 (en) 2011-05-27 2017-10-03 Halliburton Energy Services, Inc. Communication applications
US9625603B2 (en) 2011-05-27 2017-04-18 Halliburton Energy Services, Inc. Downhole communication applications
US9822634B2 (en) 2012-02-22 2017-11-21 Halliburton Energy Services, Inc. Downhole telemetry systems and methods with time-reversal pre-equalization
FR2990034B1 (fr) * 2012-04-25 2014-04-25 Inside Secure Procede de controle de redondance cyclique protege contre une attaque par canal auxiliaire
AU2012395845B2 (en) * 2012-11-27 2016-02-11 Halliburton Energy Services, Inc. Communication applications
US9458711B2 (en) 2012-11-30 2016-10-04 XACT Downhole Telemerty, Inc. Downhole low rate linear repeater relay network timing system and method
WO2014085936A1 (en) * 2012-12-07 2014-06-12 Evolution Engineering Inc. Method and apparatus for multi-channel downhole electromagnetic telemetry
CA2906215C (en) 2013-03-15 2021-01-19 Xact Downhole Telemetry Inc. Robust telemetry repeater network system and method
CN110430032B (zh) * 2013-04-12 2022-04-12 北京三星通信技术研究有限公司 一种多子帧调度中的上行功率控制方法
GB2587564B (en) * 2014-05-16 2021-08-11 Silixa Ltd Method and system for downhole object location and orientation determination
PL2983313T3 (pl) 2014-08-03 2023-10-16 Schlumberger Technology B.V. Akustyczna sieć komunikacyjna z dywersyfikacją częstotliwości
US9934681B2 (en) * 2014-09-05 2018-04-03 Halliburton Energy Services, Inc. Electromagnetic signal booster
AU2014412808B2 (en) 2014-12-05 2018-02-01 Halliburton Energy Services, Inc. Downhole clock calibration apparatus, systems, and methods
US10230404B2 (en) 2014-12-23 2019-03-12 Texas Instruments Incorporated Forward error control coding
US20160245078A1 (en) * 2015-02-19 2016-08-25 Baker Hughes Incorporated Modulation scheme for high speed mud pulse telemetry with reduced power requirements
WO2017062009A1 (en) 2015-10-08 2017-04-13 Halliburton Energy Services Inc. Mud pulse telemetry preamble for sequence detection and channel estimation
US9932824B2 (en) * 2015-10-21 2018-04-03 Schlumberger Technology Corporation Compression and transmission of measurements from downhole tool
US9803473B2 (en) 2015-10-23 2017-10-31 Schlumberger Technology Corporation Downhole electromagnetic telemetry receiver
US10424916B2 (en) 2016-05-12 2019-09-24 Baker Hughes, A Ge Company, Llc Downhole component communication and power management
US9971054B2 (en) 2016-05-31 2018-05-15 Baker Hughes, A Ge Company, Llc System and method to determine communication line propagation delay
US10323510B2 (en) * 2016-06-30 2019-06-18 Schlumberger Technology Corporation Downhole sensing for electromagnetic telemetry
CN107318157B (zh) * 2017-05-24 2020-04-28 中国航空无线电电子研究所 基于前导序列的定时误差估计方法
US10794176B2 (en) 2018-08-05 2020-10-06 Erdos Miller, Inc. Drill string length measurement in measurement while drilling system
US11054303B2 (en) * 2019-02-06 2021-07-06 Nec Corporation Uni-directional signal transmit method using distributed fiber sensing
CN110275223A (zh) * 2019-06-26 2019-09-24 中国海洋石油集团有限公司 一种深水地质灾害的随钻监测系统及随钻监测与识别方法
US11603756B2 (en) * 2021-03-03 2023-03-14 Saudi Arabian Oil Company Downhole wireless communication
CN113364719B (zh) * 2021-05-27 2023-03-31 电子科技大学 一种基于ofdm的随钻电磁波传输系统
CN118498905B (zh) * 2024-04-22 2026-04-28 合力(天津)机器人科技股份有限公司 一种基于钻杆液压夹持系统的同步高精度控制方法
US12590535B1 (en) 2025-03-07 2026-03-31 Schlumberger Technology Corporation Wellbore communication system

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US5781436A (en) 1996-07-26 1998-07-14 Western Atlas International, Inc. Method and apparatus for transverse electromagnetic induction well logging
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US7254196B2 (en) 2002-11-26 2007-08-07 Agere Systems Inc. Symbol timing for MIMO OFDM and other wireless communication systems
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US20040156264A1 (en) 2003-02-10 2004-08-12 Halliburton Energy Services, Inc. Downhole telemetry system using discrete multi-tone modulation in a wireless communication medium
US7230541B2 (en) * 2003-11-19 2007-06-12 Baker Hughes Incorporated High speed communication for measurement while drilling
US8544564B2 (en) 2005-04-05 2013-10-01 Halliburton Energy Services, Inc. Wireless communications in a drilling operations environment
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US8749400B2 (en) 2008-08-18 2014-06-10 Halliburton Energy Services, Inc. Symbol synchronization for downhole OFDM telemetry

Also Published As

Publication number Publication date
US8749400B2 (en) 2014-06-10
US20100039286A1 (en) 2010-02-18
WO2010021782A1 (en) 2010-02-25
GB2476885B (en) 2012-07-18
GB2476885A (en) 2011-07-13
GB201102279D0 (en) 2011-03-23

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 3A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2344 DE 08-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.