NO790496L - Fremgangsmaate og apparat for demodulering av signaler i et system for logging under boring - Google Patents

Fremgangsmaate og apparat for demodulering av signaler i et system for logging under boring

Info

Publication number
NO790496L
NO790496L NO790496A NO790496A NO790496L NO 790496 L NO790496 L NO 790496L NO 790496 A NO790496 A NO 790496A NO 790496 A NO790496 A NO 790496A NO 790496 L NO790496 L NO 790496L
Authority
NO
Norway
Prior art keywords
signal
frequency
carrier
loop
filter
Prior art date
Application number
NO790496A
Other languages
English (en)
Norwegian (no)
Inventor
William N Waggener
Gene F Schroeder
Original Assignee
Schlumberger Technology 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
Priority claimed from US05/881,459 external-priority patent/US4215425A/en
Priority claimed from US05/881,461 external-priority patent/US4215427A/en
Priority claimed from US05/881,460 external-priority patent/US4185246A/en
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of NO790496L publication Critical patent/NO790496L/no

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
    • E21B47/18—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 well fluid, e.g. mud pressure pulse telemetry
    • E21B47/20—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 well fluid, e.g. mud pressure pulse telemetry by modulation of mud waves, e.g. by continuous modulation
    • 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
    • E21B47/18—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 well fluid, e.g. mud pressure pulse telemetry
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/101—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NO790496A 1978-02-27 1979-02-14 Fremgangsmaate og apparat for demodulering av signaler i et system for logging under boring NO790496L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/881,459 US4215425A (en) 1978-02-27 1978-02-27 Apparatus and method for filtering signals in a logging-while-drilling system
US05/881,461 US4215427A (en) 1978-02-27 1978-02-27 Carrier tracking apparatus and method for a logging-while-drilling system
US05/881,460 US4185246A (en) 1978-02-27 1978-02-27 Circuit for reducing transients by precharging capacitors

Publications (1)

Publication Number Publication Date
NO790496L true NO790496L (no) 1979-08-28

Family

ID=27420508

Family Applications (1)

Application Number Title Priority Date Filing Date
NO790496A NO790496L (no) 1978-02-27 1979-02-14 Fremgangsmaate og apparat for demodulering av signaler i et system for logging under boring

Country Status (13)

Country Link
AU (3) AU524811B2 (fr)
BR (1) BR7901224A (fr)
DE (1) DE2907085A1 (fr)
FR (2) FR2434522A1 (fr)
GB (3) GB2087177B (fr)
GR (1) GR66583B (fr)
IE (1) IE48319B1 (fr)
IN (1) IN153402B (fr)
IT (1) IT1111989B (fr)
NL (1) NL191549C (fr)
NO (1) NO790496L (fr)
OA (1) OA06193A (fr)
PH (1) PH18212A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1206089A (fr) * 1982-06-10 1986-06-17 Gary D. Berkenkamp Dispositif de captage des signaux de diagraphie emis en cours de forage
US4514706A (en) * 1982-09-24 1985-04-30 Rockwell International Corporation Second or higher order PLL with increased low and medium frequency gain
GB2168879A (en) * 1984-11-19 1986-06-25 Technophone Ltd Differential phase shift keying detector
US4885553A (en) * 1988-11-30 1989-12-05 Motorola, Inc. Continuously adaptive phase locked loop synthesizer
JP2798142B2 (ja) * 1990-06-15 1998-09-17 三菱電機株式会社 周波数シンセサイザ
DE4102800A1 (de) * 1991-01-31 1992-08-06 Thomson Brandt Gmbh Phasenregelkreis mit nachlaufsynchronisation
US5283768A (en) * 1991-06-14 1994-02-01 Baker Hughes Incorporated Borehole liquid acoustic wave transducer
DK0584998T3 (da) * 1992-08-12 1996-12-09 Halliburton Co Fremgangsmåde og apparat til detektering af trykimpulser
US5969638A (en) * 1998-01-27 1999-10-19 Halliburton Energy Services, Inc. Multiple transducer MWD surface signal processing
GB2347286B (en) * 1999-02-26 2001-04-18 Motorola Ltd Frequency tracking loop and method of frequency tracking
US8286257B2 (en) 2008-06-02 2012-10-09 Schlumberger Technology Corporation Enabling synchronous and asynchronous collaboration for software applications
US8302685B2 (en) 2009-01-30 2012-11-06 Schlumberger Technology Corporation Mud pulse telemetry data modulation technique
CN106154311A (zh) * 2016-08-25 2016-11-23 中国电建集团贵阳勘测设计研究院有限公司 一种上仰孔单孔声波测试装置
CN106761711B (zh) * 2016-12-26 2024-02-02 中石化江汉石油工程有限公司 一种井下仪器多功能通讯控制系统
RU2722968C1 (ru) * 2019-08-22 2020-06-05 Акционерное общество "Всероссийский научно-исследовательский институт "Градиент" Устройство обнаружения акустических активных воздушных объектов

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916307A (en) * 1974-02-14 1975-10-28 Hekimian Laboratories Inc Time jitter meter
GB1485663A (en) * 1975-03-19 1977-09-14 Mobil Oil Corp Details of an uphole receiver for a logging-while-drilling system
US4007429A (en) * 1976-01-19 1977-02-08 Gte International Incorporated Phase-locked loop having a switched lowpass filter

Also Published As

Publication number Publication date
PH18212A (en) 1985-04-30
FR2433860B1 (fr) 1984-02-24
GB2015307B (en) 1983-04-27
GR66583B (fr) 1981-03-27
GB2094578A (en) 1982-09-15
IE48319B1 (en) 1984-12-12
NL191549B (nl) 1995-05-01
AU8567382A (en) 1982-12-23
NL191549C (nl) 1995-09-04
IE790561L (en) 1979-08-27
IN153402B (fr) 1984-07-14
IT7920429A0 (it) 1979-02-22
AU524811B2 (en) 1982-10-07
FR2434522A1 (fr) 1980-03-21
AU8567282A (en) 1982-11-04
NL7901534A (nl) 1979-08-29
AU4462179A (en) 1979-10-18
GB2015307A (en) 1979-09-05
BR7901224A (pt) 1979-10-02
GB2087177B (en) 1983-02-02
IT1111989B (it) 1986-01-13
GB2087177A (en) 1982-05-19
DE2907085A1 (de) 1979-10-25
OA06193A (fr) 1981-06-30
FR2433860A1 (fr) 1980-03-14
GB2094578B (en) 1983-06-08

Similar Documents

Publication Publication Date Title
US4166979A (en) System and method for extracting timing information from a modulated carrier
CA1126848A (fr) Methode et dispositif de demodulation des signaux de diagraphie recus en cours de forage
US6320820B1 (en) High data rate acoustic telemetry system
EP0412427B1 (fr) Boucle de verouillage de phase numérique à échantillonage-bloquage, pour signaux modulés en sauts d'amplitude
US6583729B1 (en) High data rate acoustic telemetry system using multipulse block signaling with a minimum distance receiver
CN105187348B (zh) 任意速率cpfsk信号定时同步方法
US3789355A (en) Method of and apparatus for logging while drilling
US4215427A (en) Carrier tracking apparatus and method for a logging-while-drilling system
IE48319B1 (en) Method and apparatus for demodulating signals in a logging-while-drilling system
US4019148A (en) Lock-in noise rejection circuit
WO1982000742A1 (fr) Circuit de recuperation d'un signal d'horloge a phase corrigee
CA1147840A (fr) Methode et dispositif de demodulation des signaux de diagraphie transmis en cours de forage
US4001775A (en) Automatic bit synchronization method and apparatus for a logging-while-drilling receiver
US3973212A (en) Phase detection in phase lock loop circuit
US11655708B2 (en) Telemetry using pulse shape modulation
HK142793A (en) Receiver for a phase-shift keyed carrier signal
WO2012171256A1 (fr) Procédé et dispositif de récupération d'horloge par transmission en micro-ondes
US4348769A (en) Circuitry for extraction of a transmission clock signal from-modulated data transmissions
US6178208B1 (en) System for recovery of digital data from amplitude and phase modulated line signals using delay lines
CA1119686A (fr) Dispositif pour extraire l'information temporelle d'une porteuse modulee
NO143292B (no) Mottaker i et system for logging under boring.
GB2213663A (en) Data demodulator carrier phase locking
US6829309B1 (en) Phase detector for baud rate-sampled multi-state signal receiver
JP2543092B2 (ja) ディジタルデ−タ再生装置
Dupillier A Bell 212a and V22 Compatible Single Chip CMOS Modem