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

    • 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
    • E21B43/117—Shaped-charge perforators
    • 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
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/024—Shaped or hollow charges provided with embedded bodies of inert material
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Catching Or Destruction (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Dowels (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
NL78744D 1950-05-11 NL78744C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL78744C true NL78744C (enrdf_load_stackoverflow)

Family

ID=9329400

Family Applications (2)

Application Number Title Priority Date Filing Date
NL78744D NL78744C (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
DE (2) DE857331C (enrdf_load_stackoverflow)
FR (2) FR1022868A (enrdf_load_stackoverflow)
GB (2) GB694144A (enrdf_load_stackoverflow)
NL (2) NL161067B (enrdf_load_stackoverflow)

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
BE471713A (enrdf_load_stackoverflow) * 1946-03-09

Also Published As

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

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