NL7708492A - Tandem seismic vibration metering chain - facilitates colour coded guidance in connections to extensive chain - Google Patents

Tandem seismic vibration metering chain - facilitates colour coded guidance in connections to extensive chain

Info

Publication number
NL7708492A
NL7708492A NL7708492A NL7708492A NL7708492A NL 7708492 A NL7708492 A NL 7708492A NL 7708492 A NL7708492 A NL 7708492A NL 7708492 A NL7708492 A NL 7708492A NL 7708492 A NL7708492 A NL 7708492A
Authority
NL
Netherlands
Prior art keywords
chain
connections
tandem
colour coded
extensive
Prior art date
Application number
NL7708492A
Other languages
Dutch (nl)
Other versions
NL184542C (en
NL184542B (en
Original Assignee
Chevron Res
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 Chevron Res filed Critical Chevron Res
Priority to NL7708492A priority Critical patent/NL184542C/en
Publication of NL7708492A publication Critical patent/NL7708492A/en
Publication of NL184542B publication Critical patent/NL184542B/en
Application granted granted Critical
Publication of NL184542C publication Critical patent/NL184542C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22—Transmitting seismic signals to recording or processing apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The tandem system for vibration meters in seismic work has a number of parallel signal inputs, with a number of vibration meters connected by a cable with provision for further connections to its ends has a central section (50) with N+1 conductors and a set of vibration meters (51) where N is a positive even number greater than two. A selection of the N+1 conductors is connected at both ends to N/2 cable tapping sections (55, 56) provided with N/2 hermaphrodite couplings (30, 31) colour coded to facilitate connections. The arrangement facilitates the connection and disconnection of vibration meters in an extended chain covering a wide area.
NL7708492A 1977-08-01 1977-08-01 VIBRATION METER CHAIN CONNECTION. NL184542C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7708492A NL184542C (en) 1977-08-01 1977-08-01 VIBRATION METER CHAIN CONNECTION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7708492A NL184542C (en) 1977-08-01 1977-08-01 VIBRATION METER CHAIN CONNECTION.

Publications (3)

Publication Number Publication Date
NL7708492A true NL7708492A (en) 1979-02-05
NL184542B NL184542B (en) 1989-03-16
NL184542C NL184542C (en) 1989-08-16

Family

ID=19828954

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708492A NL184542C (en) 1977-08-01 1977-08-01 VIBRATION METER CHAIN CONNECTION.

Country Status (1)

Country Link
NL (1) NL184542C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736346A (en) * 1981-07-31 1988-04-05 Institut Francais Du Petrole System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736346A (en) * 1981-07-31 1988-04-05 Institut Francais Du Petrole System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled

Also Published As

Publication number Publication date
NL184542C (en) 1989-08-16
NL184542B (en) 1989-03-16

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Legal Events

Date Code Title Description
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
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee