BR112015018861A2 - transmissor acústico para transmitir um sinal através de um meio de fundo de poço - Google Patents

transmissor acústico para transmitir um sinal através de um meio de fundo de poço

Info

Publication number
BR112015018861A2
BR112015018861A2 BR112015018861A BR112015018861A BR112015018861A2 BR 112015018861 A2 BR112015018861 A2 BR 112015018861A2 BR 112015018861 A BR112015018861 A BR 112015018861A BR 112015018861 A BR112015018861 A BR 112015018861A BR 112015018861 A2 BR112015018861 A2 BR 112015018861A2
Authority
BR
Brazil
Prior art keywords
signal
composite load
acoustic transmitter
voltage source
transmitting
Prior art date
Application number
BR112015018861A
Other languages
English (en)
Inventor
Godfrey Mcrory John
Original Assignee
Xact Downhole Telemetry 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 Xact Downhole Telemetry Inc filed Critical Xact Downhole Telemetry Inc
Publication of BR112015018861A2 publication Critical patent/BR112015018861A2/pt

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50—Application to a particular transducer type
    • B06B2201/55—Piezoelectric transducer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/73—Drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Inverter Devices (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

abstract an acoustic transmitter for transmitting an acoustic signal through a downhole medium includes a voltage source; a composite load; and switching circuitry that applies voltage from the voltage source across the composite load in response to a drive signal. the composite load includes charge control circuitry, in the form of at least one inductor, connected electrically in series with a piezoelectric transducer that may be electrically modeled as a capacitor. ____________ tradução do resumo resumo patente de invenção: "transmissor acústico para transmitir um sinal através de um meio de fundo de poço". a presente invenção refere-se a um transmissor acústico para transmitir um sinal acústico através de um meio de fundo de poço, que inclui uma fonte de tensão, uma carga composta, e circuitos de comutação que aplica tensão da fonte de tensão através da carga composta em resposta a um sinal de acionamento. a carga composta inclui circuitos de controle de carga, na forma de pelo menos um indu-tor, conectados eletricamente em série com um transdutor piezelétrico que pode ser eletricamente moldado como um capacitor.
BR112015018861A 2013-02-07 2014-02-07 transmissor acústico para transmitir um sinal através de um meio de fundo de poço BR112015018861A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361762186P 2013-02-07 2013-02-07
PCT/CA2014/050087 WO2014121403A1 (en) 2013-02-07 2014-02-07 Acoustic transmitter for transmitting a signal through a downhole medium

Publications (1)

Publication Number Publication Date
BR112015018861A2 true BR112015018861A2 (pt) 2017-07-18

Family

ID=51299131

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015018861A BR112015018861A2 (pt) 2013-02-07 2014-02-07 transmissor acústico para transmitir um sinal através de um meio de fundo de poço

Country Status (5)

Country Link
US (1) US9797241B2 (pt)
EP (1) EP2954161B1 (pt)
BR (1) BR112015018861A2 (pt)
CA (1) CA2900094C (pt)
WO (1) WO2014121403A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10809235B2 (en) * 2015-10-21 2020-10-20 Texas Instruments Incorporated Ultrasonic transducer system and method for bi-modal system responses
DE102017105401B4 (de) * 2017-03-14 2019-01-31 Tdk Electronics Ag Vorrichtung zur Erzeugung eines nichtthermischen Atmosphärendruck-Plasmas
DE102018104561A1 (de) * 2018-02-28 2019-08-29 USound GmbH Verfahren zum Betreiben eines piezoelektrischen Lautsprechers
US11346190B2 (en) 2020-03-18 2022-05-31 Baker Hughes Oilfield Operations Llc Remotely-activated liner hanger and running tool
KR102302562B1 (ko) * 2020-03-19 2021-09-16 엠케이에스 인베스트먼츠 다운홀 음향 원격 측정 방법 및 장치
US11817799B2 (en) 2020-11-20 2023-11-14 Halliburton Energy Services, Inc. Single crystal ultrasonic transducer with charge mode receiver
CN112983402B (zh) * 2021-02-05 2023-03-03 中国矿业大学(北京) 井下钻孔随钻瞬变电磁超前智能探测实时预警装置及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691203A (en) 1983-07-01 1987-09-01 Rubin Llewellyn A Downhole telemetry apparatus and method
US4493062A (en) * 1983-12-12 1985-01-08 Halliburton Company Resonant frequency modification of piezoelectric transducers
US5073878A (en) * 1990-10-31 1991-12-17 Cyber Scientific Circuit for driving an acoustic transducer
US6583729B1 (en) 2000-02-21 2003-06-24 Halliburton Energy Services, Inc. High data rate acoustic telemetry system using multipulse block signaling with a minimum distance receiver
GB2399921B (en) 2003-03-26 2005-12-28 Schlumberger Holdings Borehole telemetry system
US6998999B2 (en) * 2003-04-08 2006-02-14 Halliburton Energy Services, Inc. Hybrid piezoelectric and magnetostrictive actuator
GB2405725B (en) * 2003-09-05 2006-11-01 Schlumberger Holdings Borehole telemetry system
US7538473B2 (en) * 2004-02-03 2009-05-26 S.C. Johnson & Son, Inc. Drive circuits and methods for ultrasonic piezoelectric actuators
US7505600B2 (en) * 2004-04-01 2009-03-17 Floyd Bell, Inc. Processor control of an audio transducer
US7088970B2 (en) 2004-05-26 2006-08-08 Halliburton Energy Services, Inc. Amplification apparatus, systems, and methods
DE602005022843D1 (de) * 2005-06-06 2010-09-23 Technology Partnership Plc Mel System zur Kontrolle eines elektronischen Treibers für einen Vernebler
CA2585046C (en) * 2006-04-11 2011-09-13 Xact Downhole Telemetry Inc. Dynamic efficiency optimization of piezoelectric actuator
US7762354B2 (en) * 2007-08-09 2010-07-27 Schlumberger Technology Corporation Peizoelectric generator particularly for use with wellbore drilling equipment

Also Published As

Publication number Publication date
EP2954161A1 (en) 2015-12-16
EP2954161A4 (en) 2016-09-28
EP2954161B1 (en) 2018-09-12
US20150377017A1 (en) 2015-12-31
CA2900094A1 (en) 2014-08-14
CA2900094C (en) 2021-06-01
WO2014121403A1 (en) 2014-08-14
US9797241B2 (en) 2017-10-24

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]