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NL78744C - - Google Patents

Info

Publication number
NL78744C
NL78744C NL78744DA NL78744C NL 78744 C NL78744 C NL 78744C NL 78744D A NL78744D A NL 78744DA NL 78744 C NL78744 C NL 78744C
Authority
NL
Netherlands
Application number
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.)
Publication of NL78744C publication Critical patent/NL78744C/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11Perforators; Permeators
    • E21B43/116Gun or shaped-charge perforators
    • E21B43/117Shaped-charge perforators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02Shaped or hollow charges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02Shaped or hollow charges
    • F42B1/024Shaped or hollow charges provided with embedded bodies of inert material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00Blasting cartridges, i.e. case and explosive
    • F42B3/08Blasting 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dowels (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Catching Or Destruction (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
NL78744D 1950-05-11 NL78744C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR857331X 1950-05-11

Publications (1)

Publication Number Publication Date
NL78744C true NL78744C (xx)

Family

ID=9329400

Family Applications (2)

Application Number Title Priority Date Filing Date
NL78744D NL78744C (xx) 1950-05-11
NL7317543.A NL161067B (nl) 1950-05-11 Werkwijze voor de katalytische, reducerende ontleding van stikstofoxyden.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL7317543.A NL161067B (nl) 1950-05-11 Werkwijze voor de katalytische, reducerende ontleding van stikstofoxyden.

Country Status (5)

Country Link
US (1) US2849953A (xx)
DE (2) DE852386C (xx)
FR (2) FR1022868A (xx)
GB (2) GB694144A (xx)
NL (2) NL161067B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784786A (en) * 1953-06-26 1957-03-12 California Research Corp Formation testing apparatus
US3021784A (en) * 1955-09-21 1962-02-20 Borg Warner Shaped charge unit for well perforators
DE974557C (de) * 1956-07-27 1961-02-09 Wasagchemie Ag Verfahren zur Lenkung und Verstaerkung der Wirkung von Sprengkoerpern
US3106130A (en) * 1958-08-28 1963-10-08 Schlumberger Well Surv Corp Perforating apparatus
US3282354A (en) * 1962-04-26 1966-11-01 Harrison Jet Guns Ltd Protective shaped charge
US3248072A (en) * 1964-04-01 1966-04-26 Mcdonnell Aircraft Corp Underwater explosive effects attenuator
DE3900269C2 (de) * 1989-01-07 1998-02-26 Rheinmetall Ind Ag Gefechtskopf
DE4029876A1 (de) * 1990-09-21 1992-03-26 Diehl Gmbh & Co Munition mit einem stuetzkoerper aus schaumstoff
US6497285B2 (en) * 2001-03-21 2002-12-24 Halliburton Energy Services, Inc. Low debris shaped charge perforating apparatus and method for use of same
US6606950B1 (en) * 2001-07-24 2003-08-19 Charles Ray Putman Method and apparatus for positioning a shaped charge
US7430965B2 (en) * 2004-10-08 2008-10-07 Halliburton Energy Services, Inc. Debris retention perforating apparatus and method for use of same
US7942098B2 (en) * 2006-08-29 2011-05-17 Schlumberger Technology Corporation Loading tube for shaped charges

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573078A (en) * 1942-10-05 1945-11-06 Bath And Portland Stone Firms Improvements in or relating to bombs, mortar-shells, rifle grenades, anti-tank shells, torpedoes and the like
US2494256A (en) * 1945-09-11 1950-01-10 Gulf Research Development Co Apparatus for perforating well casings and well walls
NL66239C (xx) * 1946-03-09

Also Published As

Publication number Publication date
DE857331C (de) 1952-11-27
FR1022867A (fr) 1953-03-11
NL161067B (nl)
DE852386C (de) 1952-10-13
US2849953A (en) 1958-09-02
GB711801A (en) 1954-07-14
GB694144A (en) 1953-07-15
FR1022868A (fr) 1953-03-11

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