NO116733B - - Google Patents

Download PDF

Info

Publication number
NO116733B
NO116733B NO165711A NO16571166A NO116733B NO 116733 B NO116733 B NO 116733B NO 165711 A NO165711 A NO 165711A NO 16571166 A NO16571166 A NO 16571166A NO 116733 B NO116733 B NO 116733B
Authority
NO
Norway
Prior art keywords
sleeve
electrode
central electrode
pulse source
peripheral electrodes
Prior art date
Application number
NO165711A
Other languages
English (en)
Norwegian (no)
Inventor
J Cholet
J Dubois
G Grau
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 NO116733B publication Critical patent/NO116733B/no

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/02Generating seismic energy
    • G01V1/157Generating seismic energy using spark discharges; using exploding wires
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00Acoustics not otherwise provided for
    • G10K15/04Sound-producing devices
    • G10K15/06Sound-producing devices using electric discharge

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Disintegrating Or Milling (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Spark Plugs (AREA)
  • Prevention Of Electric Corrosion (AREA)
NO165711A 1965-12-18 1966-11-23 NO116733B (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR42901A FR1528585A (fr) 1965-12-18 1965-12-18 Nouvel étinceleur pour sondages sismiques continus

Publications (1)

Publication Number Publication Date
NO116733B true NO116733B (cs) 1969-05-12

Family

ID=8596085

Family Applications (1)

Application Number Title Priority Date Filing Date
NO165711A NO116733B (cs) 1965-12-18 1966-11-23

Country Status (8)

Country Link
US (1) US3368194A (cs)
DE (1) DE1548453C3 (cs)
DK (1) DK125610B (cs)
FR (1) FR1528585A (cs)
GB (1) GB1154394A (cs)
NL (1) NL155099B (cs)
NO (1) NO116733B (cs)
SE (1) SE310069B (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039042A (en) * 1976-09-17 1977-08-02 Holosonics, Inc. Acoustical sparker probe apparatus
FR2574559B1 (fr) * 1984-12-06 1987-07-10 Inst Francais Du Petrole Etinceleur pour engendrer des ondes acoustiques dans l'eau
NL1012181C2 (nl) * 1999-04-14 2000-10-24 Geo Resources Bv Inrichting voor het onder water opwekken van drukpulsen.
US10077644B2 (en) 2013-03-15 2018-09-18 Chevron U.S.A. Inc. Method and apparatus for generating high-pressure pulses in a subterranean dielectric medium

Also Published As

Publication number Publication date
GB1154394A (en) 1969-06-04
DE1548453C3 (de) 1980-06-12
FR1528585A (fr) 1968-06-14
NL155099B (nl) 1977-11-15
DE1548453B2 (de) 1979-09-20
DK125610B (da) 1973-03-12
NL6617692A (cs) 1967-06-19
US3368194A (en) 1968-02-06
DE1548453A1 (de) 1970-04-16
SE310069B (cs) 1969-04-14

Similar Documents

Publication Publication Date Title
ES249428U (es) Un manguito mejorado de cierre estanco y aislamiento de un empalme
MX9205941A (es) Empalme para cable resistente a humedad y estrutura selladora del mismo.
US9715029B2 (en) Electric field sensor for underwater
NO116733B (cs)
NO151912B (no) Borehulls-logging eller -maaling
RU2017102702A (ru) Коаксиальное или триаксиальное уплотнительное устройство
TR201804099T1 (tr) Sızdırmaz kablo girişi için modül.
GB563158A (en) Improvements in housings for apparatus employed particularly in submarine cable systems
KR101485450B1 (ko) 해저케이블의 접속을 위한 아모어 클램프
GB885191A (en) A cable lead-through device for ship's cables
US2396702A (en) Water stop device for electrical cables
US3270312A (en) Cable splice
SE7506232L (sv) Skermad kabeltetning
ES175929A1 (es) Mejoras en emplalmes para cables elécxtricos, con el método para efectuarlas
US2509524A (en) Flexible junction for submarine cables
RU2014113671A (ru) Геофизический комплекс для мониторинга и морской сейсморазведки
FR1280517A (fr) Pompe électrique à rotor immergé de construction allégée, ne comportant pas de presse-étoupe
US2920166A (en) Squib switch
US586463A (en) Cable-head for electric wires
GB608042A (en) Improvements in submarine cables
ES198960A1 (es) MEJORAS EN O RELATIVAS A EMPALMES PARA CABLES DE COMUNICACIoN
ES2031940T3 (es) Union flexible para cable submarino con papel impregnado.
US3356787A (en) Electrical instrument cable-supported apparatus
US1209680A (en) Method of and apparatus for detecting the presence and location of submerged metallic bodies.
JP2002257634A (ja) 水中観測用装置