OA05657A - Procédé et dispositif pour traiter les signaux modulés en numérique et leur application aux systèmes de mesure en cours de forage. - Google Patents

Procédé et dispositif pour traiter les signaux modulés en numérique et leur application aux systèmes de mesure en cours de forage.

Info

Publication number
OA05657A
OA05657A OA56165A OA56165A OA05657A OA 05657 A OA05657 A OA 05657A OA 56165 A OA56165 A OA 56165A OA 56165 A OA56165 A OA 56165A OA 05657 A OA05657 A OA 05657A
Authority
OA
OAPI
Prior art keywords
drilling
application
modulated signals
measurement systems
digitally modulated
Prior art date
Application number
OA56165A
Other languages
English (en)
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
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of OA05657A publication Critical patent/OA05657A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
OA56165A 1976-05-10 1977-05-10 Procédé et dispositif pour traiter les signaux modulés en numérique et leur application aux systèmes de mesure en cours de forage. OA05657A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68460476A 1976-05-10 1976-05-10

Publications (1)

Publication Number Publication Date
OA05657A true OA05657A (fr) 1981-04-30

Family

ID=24748755

Family Applications (1)

Application Number Title Priority Date Filing Date
OA56165A OA05657A (fr) 1976-05-10 1977-05-10 Procédé et dispositif pour traiter les signaux modulés en numérique et leur application aux systèmes de mesure en cours de forage.

Country Status (15)

Country Link
AR (1) AR222004A1 (fr)
AU (1) AU513642B2 (fr)
BR (1) BR7702901A (fr)
CA (1) CA1119686A (fr)
DE (1) DE2721023A1 (fr)
EG (1) EG13329A (fr)
ES (1) ES458606A1 (fr)
FR (1) FR2351549A1 (fr)
GB (1) GB1579488A (fr)
GR (1) GR63199B (fr)
IE (1) IE45139B1 (fr)
IT (1) IT1101653B (fr)
NL (1) NL7705119A (fr)
NO (1) NO771514L (fr)
OA (1) OA05657A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12212510B2 (en) * 2020-12-17 2025-01-28 Intel Corporation Closed-loop baud rate carrier and carrier frequency tuning for wireless chip-to-chip interface

Also Published As

Publication number Publication date
ES458606A1 (es) 1978-08-01
FR2351549B1 (fr) 1980-02-15
IT1101653B (it) 1985-10-07
GR63199B (en) 1979-10-04
EG13329A (en) 1981-06-30
NO771514L (no) 1977-11-08
CA1119686A (fr) 1982-03-09
FR2351549A1 (fr) 1977-12-09
BR7702901A (pt) 1978-05-16
AR222004A1 (es) 1981-04-15
DE2721023A1 (de) 1977-12-01
AU513642B2 (en) 1980-12-11
IE45139L (en) 1977-11-10
GB1579488A (en) 1980-11-19
IE45139B1 (en) 1982-06-30
NL7705119A (nl) 1977-11-14
AU2486077A (en) 1978-11-09

Similar Documents

Publication Publication Date Title
AT381428B (de) Verfahren und geraet zur umsetzung eines empfangenen signals
JPS53114413A (en) Method and device for transmitting or recording digital signal
FR2518669B1 (fr) Pince de retenue pour dispositif de mesure de jeu et procede de mesure de jeu
FR2342051A1 (fr) Procede et dispositif pour examiner la vue
OA05783A (fr) Dispositif de réception et de mesure directe en continu de signaux électriques magnétiques.
FR2338489A1 (fr) Procede et dispositif pour mesurer la viscosite
BE889959A (fr) Procede et dispositif de codage de signaux numeriques
FR2391525B1 (fr) Procede et dispositif d'enregistrement de signaux stereophoniques sur un magnetoscope
JPS52150954A (en) Method and device for detecting signal
FR2449373B1 (fr) Dispositif de reception de signaux numeriques
FR2485841B1 (fr) Procede et dispositif de traitement de signaux numeriques
FR2443778B1 (fr) Procede et dispositif de codage et de decodage de signaux video
FR2474226B1 (fr) Dispositif de test pour enregistreur numerique multipiste
FI793819A7 (fi) Menetelmä ja laite huokoisuuden mittaamiseksi.
FR2395652B1 (fr) Procede et dispositif de transmission de signaux numeriques
JPS572037A (en) Logging method of object to be tracked
DE3777021D1 (de) Vorrichtung zur ermittlung der digitalen transformation eines signals.
JPS5315104A (en) Method and device for optically reading information
ATA866977A (de) Geraet zur aufzeichnung einer signalinformation
AT376099B (de) Vorrichtung zur aufzeichnung von videosignalen auf einem aufzeichnungstraeger
FR2295443A2 (fr) Procede et dispositif de determination photo-electrique de la position d'au moins un plan de nettete d'une image
JPS5354007A (en) Method and device for collecting data track
FR2385260B1 (fr) Dispositif de filtrage d'un signal limite en amplitude
JPS53114412A (en) Method and device for transmitting and recording digital signal
BE850718A (fr) Dispositif de transmission de signaux numeriques