DE3274390D1 - Method and apparatus for indicating a time-break on a seismic record - Google Patents

Method and apparatus for indicating a time-break on a seismic record

Info

Publication number
DE3274390D1
DE3274390D1 DE8282302443T DE3274390T DE3274390D1 DE 3274390 D1 DE3274390 D1 DE 3274390D1 DE 8282302443 T DE8282302443 T DE 8282302443T DE 3274390 T DE3274390 T DE 3274390T DE 3274390 D1 DE3274390 D1 DE 3274390D1
Authority
DE
Germany
Prior art keywords
break
time
indicating
detonator
electric
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8282302443T
Other languages
English (en)
Inventor
Raymond Michael Dixon
Alan George King
Stephan Richard Thompson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE3274390D1 publication Critical patent/DE3274390D1/de
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Paints Or Removers (AREA)
  • Road Signs Or Road Markings (AREA)
  • Crushing And Grinding (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
DE8282302443T 1981-06-01 1982-05-13 Method and apparatus for indicating a time-break on a seismic record Expired DE3274390D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8116633 1981-06-01

Publications (1)

Publication Number Publication Date
DE3274390D1 true DE3274390D1 (en) 1987-01-08

Family

ID=10522174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282302443T Expired DE3274390D1 (en) 1981-06-01 1982-05-13 Method and apparatus for indicating a time-break on a seismic record

Country Status (16)

Country Link
US (1) US4782911A (de)
EP (1) EP0066390B1 (de)
JP (1) JPS58787A (de)
AT (1) ATE23755T1 (de)
AU (1) AU548621B2 (de)
CA (1) CA1208756A (de)
DE (1) DE3274390D1 (de)
ES (1) ES8304321A1 (de)
MW (1) MW2182A1 (de)
MY (1) MY8700936A (de)
NO (1) NO821791L (de)
NZ (1) NZ200673A (de)
PT (1) PT74978B (de)
SG (1) SG75487G (de)
ZA (1) ZA823585B (de)
ZW (1) ZW10482A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339847A3 (de) * 1988-04-29 1990-09-05 Aeci Limited Detonator
JP2507520Y2 (ja) * 1988-06-06 1996-08-14 日本電気精器株式会社 軸吊型ドアクロ―ザ
BR0210978A (pt) 2001-06-06 2004-10-05 Senex Explosives Inc Conjunto de retardo, eletrônico de programação de um retardo de tempo de detonação e método de relizar uma operação de explosão
WO2003083406A1 (en) * 2002-03-28 2003-10-09 Orica Explosives Technology Pty Ltd System and method for monitoring features of a blast
CA2741091C (en) * 2008-10-24 2017-01-17 Battelle Memorial Institute Electronic detonator system
CA3120523A1 (en) * 2014-06-06 2015-12-10 Austin Star Detonator Company Methods and apparatus for confirmation time break (ctb) determination and shotpoint in-situ recording in seismic detonators

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803809A (en) * 1957-08-20 Method and apparatus for timing
US2189741A (en) * 1937-11-17 1940-02-06 Socony Vacuum Oil Co Inc Seismograph blasting cap
US2331623A (en) * 1940-03-30 1943-10-12 Olive S Petty Seismic circuit
US2331627A (en) * 1940-06-27 1943-10-12 Olive S Petty Time-break circuit
US2275316A (en) * 1941-06-26 1942-03-03 Gulf Research Development Co Apparatus for sending and recording time impulses
US2411339A (en) * 1941-09-25 1946-11-19 Rolfes Hans Jay Firing means
US3040660A (en) * 1944-11-08 1962-06-26 Lawrence H Johnston Electric initiator with exploding bridge wire
US2470846A (en) * 1945-11-13 1949-05-24 Phillips Petroleum Co Seismograph blaster time breaker circuit
US2612772A (en) * 1946-02-14 1952-10-07 Robert A Mcconnell Supersonic test device
NL159393B (nl) * 1950-03-14 Glaxo Operations Ltd Werkwijze voor het bereiden van een geneesmiddel tegen ontstekingen, dat een 9,21-dihalogeen-11-geoxygeneerd-17-alfa-hydroxy-3,20-diketo-1,4-pregnadieen of -pregneen als actief bestanddeel bevat, alsmede het aldus verkregen gevormde geneesmiddel en een werkwijze voor het bereiden van verbindingen geschikt voor gebruik bij de bereiding van een zodanig geneesmiddel.
US2660716A (en) * 1950-05-06 1953-11-24 Atlas Powder Co Method and apparatus for ascertaining time of explosion
US2900619A (en) * 1954-07-12 1959-08-18 Phillips Petroleum Co System for recording time
US2844211A (en) * 1955-08-25 1958-07-22 Texas Co Electronic automatic sequence timers
US3521483A (en) * 1968-02-28 1970-07-21 Detroit Edison Co Pole testing apparatus
GB1590007A (en) * 1977-10-04 1981-05-28 Seismograph Service England Determination of firing times of acoustic pulses
GB2022222B (en) * 1978-05-24 1982-06-09 Ici Ltd Electric ignition of explosives
US4324310A (en) * 1979-10-29 1982-04-13 Marathon Oil Company Seismic apparatus

Also Published As

Publication number Publication date
MY8700936A (en) 1987-12-31
ATE23755T1 (de) 1986-12-15
MW2182A1 (en) 1984-05-09
NO821791L (no) 1982-12-02
ES512703A0 (es) 1983-02-16
PT74978B (en) 1983-11-22
ES8304321A1 (es) 1983-02-16
AU548621B2 (en) 1985-12-19
CA1208756A (en) 1986-07-29
US4782911A (en) 1988-11-08
ZW10482A1 (en) 1983-12-28
SG75487G (en) 1988-03-04
JPS58787A (ja) 1983-01-05
ZA823585B (en) 1983-03-30
AU8386682A (en) 1982-12-09
NZ200673A (en) 1985-11-08
EP0066390B1 (de) 1986-11-20
PT74978A (en) 1982-06-01
EP0066390A1 (de) 1982-12-08

Similar Documents

Publication Publication Date Title
JPS5637290A (en) Method of firing explosive and device for transmitting energy
JPS52111633A (en) Method of inspecting secondary battery
ES546710A0 (es) Procedimiento y aparato para disparar un elemento de encen- dido electrico
JPS51136053A (en) Method and apparatus for convert of heat energy into mechanical energy
JPS5786569A (en) Ignition detective circuit
DE3068344D1 (en) Method of detecting an electrical short
JPS5677571A (en) Method and device for inducing energy from fluid current
GB2033555B (en) Apparatus for detonating an explosive charge underwater
JPS54156780A (en) Igniter capable of being electrically actuated* and method and device for firing on said igniter
DE3274390D1 (en) Method and apparatus for indicating a time-break on a seismic record
AU544473B2 (en) Testing detonators
ZA762444B (en) Pressure vent for electrical devices such as primary and secondary alkaline cells and method of making the vent
JPS5248041A (en) Electrical device and method of sealing two cylindrical liners
JPS545018A (en) Method and apparatus for transfer explosion energy nonelectrically
IL53885A (en) Low energy detonating cord and method and apparatus for its manufacture
JPS5572660A (en) Condenser discharge type igniter provided with overrevolution preventive means
JPS5691200A (en) Method of separately charging detonator having high performance
JPS53104934A (en) Electric ignition device for igniter
JPS52133431A (en) Apparatus for visual confirmation of secondary voltage ignition
JPS53126440A (en) Igniter for preventing stain of creeping plug
JPS5446664A (en) Method and device for efficiently using calorific power of gas range
YU165176A (en) Joining copper and steel of flat segments of bearings of generators by means of an explosion
DE3172613D1 (en) Circuit for generating high power pulses by means of an inductive energy accumulator
JPS5280197A (en) Method of explosion critical measurement
ZA815998B (en) Method and apparatus for initiating an explosive

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee