GB2290855B - Shaped charge with simultaneous multi-point initiation of explosives - Google Patents

Shaped charge with simultaneous multi-point initiation of explosives

Info

Publication number
GB2290855B
GB2290855B GB9513070A GB9513070A GB2290855B GB 2290855 B GB2290855 B GB 2290855B GB 9513070 A GB9513070 A GB 9513070A GB 9513070 A GB9513070 A GB 9513070A GB 2290855 B GB2290855 B GB 2290855B
Authority
GB
United Kingdom
Prior art keywords
explosives
shaped charge
simultaneous multi
point initiation
initiation
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 - Fee Related
Application number
GB9513070A
Other versions
GB9513070D0 (en
GB2290855A (en
Inventor
James Ellis
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.)
Western Atlas International Inc
Original Assignee
Western Atlas International 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
Priority claimed from US08/340,750 external-priority patent/US5479860A/en
Application filed by Western Atlas International Inc filed Critical Western Atlas International Inc
Publication of GB9513070D0 publication Critical patent/GB9513070D0/en
Publication of GB2290855A publication Critical patent/GB2290855A/en
Application granted granted Critical
Publication of GB2290855B publication Critical patent/GB2290855B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • 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
    • F42B3/08—Blasting cartridges, i.e. case and explosive with cavities in the charge, e.g. hollow-charge blasting cartridges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
GB9513070A 1994-06-30 1995-06-27 Shaped charge with simultaneous multi-point initiation of explosives Expired - Fee Related GB2290855B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26879194A 1994-06-30 1994-06-30
US08/340,750 US5479860A (en) 1994-06-30 1994-11-16 Shaped-charge with simultaneous multi-point initiation of explosives

Publications (3)

Publication Number Publication Date
GB9513070D0 GB9513070D0 (en) 1995-08-30
GB2290855A GB2290855A (en) 1996-01-10
GB2290855B true GB2290855B (en) 1999-01-20

Family

ID=26953327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9513070A Expired - Fee Related GB2290855B (en) 1994-06-30 1995-06-27 Shaped charge with simultaneous multi-point initiation of explosives

Country Status (3)

Country Link
GB (1) GB2290855B (en)
NL (1) NL1000715C2 (en)
NO (2) NO309208B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5505134A (en) * 1993-09-01 1996-04-09 Schlumberger Technical Corporation Perforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of charges
US5792977A (en) * 1997-06-13 1998-08-11 Western Atlas International, Inc. High performance composite shaped charge
DE19983586B4 (en) 1998-09-24 2008-05-15 Schlumberger Technology B.V. Igniting explosive devices
US6752083B1 (en) 1998-09-24 2004-06-22 Schlumberger Technology Corporation Detonators for use with explosive devices
US7383882B2 (en) 1998-10-27 2008-06-10 Schlumberger Technology Corporation Interactive and/or secure activation of a tool
US7347278B2 (en) 1998-10-27 2008-03-25 Schlumberger Technology Corporation Secure activation of a downhole device
US6938689B2 (en) 1998-10-27 2005-09-06 Schumberger Technology Corp. Communicating with a tool
US6283227B1 (en) 1998-10-27 2001-09-04 Schlumberger Technology Corporation Downhole activation system that assigns and retrieves identifiers
US6148263A (en) * 1998-10-27 2000-11-14 Schlumberger Technology Corporation Activation of well tools
US7762172B2 (en) * 2006-08-23 2010-07-27 Schlumberger Technology Corporation Wireless perforating gun
EP2045567A1 (en) * 2007-10-02 2009-04-08 Evgeny Pavlovich Germanov Cumulative charging

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860655A (en) * 1985-05-22 1989-08-29 Western Atlas International, Inc. Implosion shaped charge perforator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860655A (en) * 1985-05-22 1989-08-29 Western Atlas International, Inc. Implosion shaped charge perforator

Also Published As

Publication number Publication date
NO952628L (en) 1996-01-02
NO952628D0 (en) 1995-06-30
GB9513070D0 (en) 1995-08-30
NO309208B1 (en) 2000-12-27
NL1000715A1 (en) 1996-01-02
GB2290855A (en) 1996-01-10
NO952656D0 (en) 1995-07-05
NL1000715C2 (en) 1996-06-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070627