NL8004991A - Inrichting voor het bepalen van het tijdstip van ont- vangst van een akoestische golf. - Google Patents

Inrichting voor het bepalen van het tijdstip van ont- vangst van een akoestische golf. Download PDF

Info

Publication number
NL8004991A
NL8004991A NL8004991A NL8004991A NL8004991A NL 8004991 A NL8004991 A NL 8004991A NL 8004991 A NL8004991 A NL 8004991A NL 8004991 A NL8004991 A NL 8004991A NL 8004991 A NL8004991 A NL 8004991A
Authority
NL
Netherlands
Prior art keywords
voltage
multiplexer
time
output
input
Prior art date
Application number
NL8004991A
Other languages
English (en)
Dutch (nl)
Original Assignee
Inst Francais Du Petrole
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 Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of NL8004991A publication Critical patent/NL8004991A/nl

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24—Recording seismic data
    • G01V1/26—Reference-signal-transmitting devices, e.g. indicating moment of firing of shot
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/10—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electromechanical Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
NL8004991A 1979-09-05 1980-09-03 Inrichting voor het bepalen van het tijdstip van ont- vangst van een akoestische golf. NL8004991A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7922364A FR2464482A1 (fr) 1979-09-05 1979-09-05 Dispositif pour determiner l'instant de reception d'une impulsion acoustique
FR7922364 1979-09-05

Publications (1)

Publication Number Publication Date
NL8004991A true NL8004991A (nl) 1981-03-09

Family

ID=9229438

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8004991A NL8004991A (nl) 1979-09-05 1980-09-03 Inrichting voor het bepalen van het tijdstip van ont- vangst van een akoestische golf.

Country Status (9)

Country Link
US (1) US4365320A (fr)
JP (1) JPS5696265A (fr)
CA (1) CA1167956A (fr)
DE (1) DE3032467A1 (fr)
FR (1) FR2464482A1 (fr)
GB (1) GB2058352B (fr)
IT (1) IT1132624B (fr)
NL (1) NL8004991A (fr)
NO (1) NO153785C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985873A (en) * 1989-10-20 1991-01-15 Schlumberger Technology Corporation Method and apparatus for determining compressional first arrival times from waveform threshold crossings provided by apparatus disposed in a sonic well tool
US5168469A (en) * 1991-01-02 1992-12-01 E. I. Du Pont De Nemours And Company Thickness and flaw detection using time mapping into memory technique
JP3097882B2 (ja) * 1991-07-29 2000-10-10 株式会社トキメック 超音波送受波装置
US6002339A (en) * 1998-01-30 1999-12-14 Western Atlas International, Inc. Seismic synchronization system
EP2657725B1 (fr) * 2012-04-27 2015-01-14 Sercel Procédé et système de gestion d'un système de plusieurs navires
CN104536040B (zh) * 2014-12-19 2017-08-01 长安大学 Tsp声控触发系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1216803A (fr) * 1958-02-18 1960-04-27 Philips Nv Dispositif pour mesurer des temps
US3081838A (en) * 1959-09-11 1963-03-19 Seismograph Service Corp Method and apparatus for minimizing cavity effects in acoustic logging
US3220503A (en) * 1961-08-29 1965-11-30 Texaco Inc Seismic shooting sequence timer
US3292141A (en) * 1964-12-24 1966-12-13 Texas Instruments Inc Marine normal moveout determination
US3525072A (en) * 1967-12-11 1970-08-18 Texas Instruments Inc Method and apparatus for processing seismic data in the field
US3624599A (en) * 1969-12-03 1971-11-30 Exxon Production Research Co Apparatus for switching geophones
US4107660A (en) * 1970-11-03 1978-08-15 Gte Sylvania Incorporated Intrusion detection system
FR2185194A6 (fr) * 1972-05-19 1973-12-28 Geophysique Cie Gle
US3866161A (en) * 1973-01-24 1975-02-11 Petty Ray Geophysical Inc Method and apparatus for obtaining a more accurate measure of input seismic energy
FR2328349A1 (fr) * 1973-03-01 1977-05-13 Ibm France Systeme de commutation en multiplex a division dans le temps
FR2237552A5 (fr) * 1973-07-10 1975-02-07 Sercel Rech Const Elect
US4052567A (en) * 1975-12-24 1977-10-04 D.D.I. Communications, Inc. Multiplexer receiver terminator
SU602895A1 (ru) * 1976-03-22 1978-04-15 Ордена Ленина Институт Физики Земли Им.О.Ю.Шмидта Ан Ссср Устройство дл регистрации сейсмических волн
JPS52123670A (en) * 1976-04-09 1977-10-18 Takeda Riken Ind Co Ltd Digital frequency measuring device
US4156112A (en) * 1977-12-07 1979-05-22 Control Junctions, Inc. Control system using time division multiplexing

Also Published As

Publication number Publication date
JPH048756B2 (fr) 1992-02-18
NO153785C (no) 1986-05-28
IT8024423A0 (it) 1980-09-03
GB2058352B (en) 1983-11-09
NO153785B (no) 1986-02-10
FR2464482B1 (fr) 1984-04-20
US4365320A (en) 1982-12-21
DE3032467A1 (de) 1981-03-26
GB2058352A (en) 1981-04-08
DE3032467C2 (fr) 1990-10-18
NO802604L (no) 1981-03-06
JPS5696265A (en) 1981-08-04
CA1167956A (fr) 1984-05-22
IT1132624B (it) 1986-07-02
FR2464482A1 (fr) 1981-03-06

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed