FR2481439B1 - - Google Patents

Info

Publication number
FR2481439B1
FR2481439B1 FR8009236A FR8009236A FR2481439B1 FR 2481439 B1 FR2481439 B1 FR 2481439B1 FR 8009236 A FR8009236 A FR 8009236A FR 8009236 A FR8009236 A FR 8009236A FR 2481439 B1 FR2481439 B1 FR 2481439B1
Authority
FR
France
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
FR8009236A
Other versions
FR2481439A1 (fr
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.)
NL Industries Inc
Original Assignee
NL Industries Inc
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 NL Industries Inc filed Critical NL Industries Inc
Publication of FR2481439A1 publication Critical patent/FR2481439A1/fr
Application granted granted Critical
Publication of FR2481439B1 publication Critical patent/FR2481439B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/116—Gun or shaped-charge perforators
    • E21B43/117—Shaped-charge perforators
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/116—Gun or shaped-charge perforators
    • E21B43/1185—Ignition systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/124—Bridge initiators characterised by the configuration or material of the bridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
FR8009236A 1978-12-29 1980-04-24 Expired FR2481439B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,505 US4291623A (en) 1978-12-29 1978-12-29 Binary electroexplosive device and method of assembly thereof

Publications (2)

Publication Number Publication Date
FR2481439A1 FR2481439A1 (fr) 1981-10-30
FR2481439B1 true FR2481439B1 (fr) 1987-03-27

Family

ID=25522119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009236A Expired FR2481439B1 (fr) 1978-12-29 1980-04-24

Country Status (8)

Country Link
US (1) US4291623A (fr)
BE (1) BE882990A (fr)
CA (1) CA1154630A (fr)
DE (1) DE3017520A1 (fr)
FR (1) FR2481439B1 (fr)
GB (1) GB2073859B (fr)
NL (1) NL8002852A (fr)
SE (1) SE446126B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519431A1 (fr) * 1981-12-31 1983-07-08 Davey Bickford Smith Cie Carottier sismique
US4441427A (en) * 1982-03-01 1984-04-10 Ici Americas Inc. Liquid desensitized, electrically activated detonator assembly resistant to actuation by radio-frequency and electrostatic energies
IT1153919B (it) * 1982-12-27 1987-01-21 Valsella Meccanotecnica Spa Dispositivo attivatore per mine
US4496009A (en) * 1983-09-20 1985-01-29 Shell Oil Company Through the tubing perforating gun assembly
FR2569686B1 (fr) * 1984-09-05 1986-11-21 Poudres & Explosifs Ste Nale Generateur de gaz ultrarapide a securite renforcee
US4873928A (en) * 1987-06-15 1989-10-17 Apti, Inc. Nuclear-sized explosions without radiation
EP0429512A4 (en) * 1988-08-12 1992-06-24 Thomas J Langston Safety switch for explosive well tools
US4938137A (en) * 1989-06-05 1990-07-03 Guay Roland H Exploding bridgewire driven multiple flyer detonator
CN1222949A (zh) 1997-05-30 1999-07-14 日立造船株式会社 破坏装置和破坏方法以及该破坏方法使用的保持构件
US6230625B1 (en) * 1999-04-06 2001-05-15 Perkinelmer, Inc. Disarmable firing module
US20050139352A1 (en) * 2003-12-31 2005-06-30 Mauldin Sidney W. Minimal resistance scallop for a well perforating device
US20080202325A1 (en) * 2007-02-22 2008-08-28 Schlumberger Technology Corporation Process of improving a gun arming efficiency
US9534875B2 (en) 2007-10-23 2017-01-03 Excelitas Technologies Corp. Initiator
US8550003B2 (en) 2010-04-26 2013-10-08 Rodney Neil Cameron Pyrotechnic device
US8863665B2 (en) 2012-01-11 2014-10-21 Alliant Techsystems Inc. Connectors for separable firing unit assemblies, separable firing unit assemblies, and related methods
CN108247257B (zh) * 2018-03-29 2023-11-10 贵州盘江民爆有限公司 一种全自动电子雷管引火元件焊接测试生产线
WO2020249744A2 (fr) * 2019-06-14 2020-12-17 DynaEnergetics Europe GmbH Ensemble perforateur doté d'un support de charge creuse rotatif

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239773A (en) * 1925-02-07 1925-09-17 David Corrie Improvements in or relating to blasting detonators
US1901469A (en) * 1932-05-12 1933-03-14 Hercules Powder Co Ltd Blasting cap
GB660225A (en) * 1949-02-04 1951-10-31 Schermuly Pistol Rocket App Improvements in apparatus for firing pyrotechnic devices
US2680406A (en) * 1949-03-14 1954-06-08 Jet Guns Co Inc Explosive container for gun perforators
US2677803A (en) * 1950-09-12 1954-05-04 Wallace G Rork Proving process for primers of electrically fired ammunition
US2767655A (en) * 1953-06-15 1956-10-23 Olin Mathieson Blasting caps
US2918871A (en) * 1953-08-04 1959-12-29 Beckman Instruments Inc Electrical detonator
US2891477A (en) * 1955-07-26 1959-06-23 Du Pont Initiation device desensitized by fluids
US2925775A (en) * 1955-12-13 1960-02-23 Borg Warner Well casing perforator
US3585933A (en) * 1969-05-02 1971-06-22 Us Army Detonator safety device
US3739723A (en) * 1971-08-23 1973-06-19 Harrison Jet Guns Inc Perforating gun
US4011815A (en) * 1975-10-20 1977-03-15 Schlumberger Technology Corporation Safe-handling arming apparatus for perforating guns
US4172421A (en) * 1978-03-30 1979-10-30 Jet Research Center, Inc. Fluid desensitized safe/arm detonator assembly

Also Published As

Publication number Publication date
BE882990A (fr) 1980-10-27
GB2073859A (en) 1981-10-21
SE446126B (sv) 1986-08-11
NL8002852A (nl) 1981-12-16
FR2481439A1 (fr) 1981-10-30
US4291623A (en) 1981-09-29
GB2073859B (en) 1983-06-29
CA1154630A (fr) 1983-10-04
SE8002834L (sv) 1981-10-16
DE3017520A1 (de) 1981-11-12

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property