DE852386C - Device with shaped charges for use in boreholes - Google Patents

Device with shaped charges for use in boreholes

Info

Publication number
DE852386C
DE852386C DES22975A DES0022975A DE852386C DE 852386 C DE852386 C DE 852386C DE S22975 A DES22975 A DE S22975A DE S0022975 A DES0022975 A DE S0022975A DE 852386 C DE852386 C DE 852386C
Authority
DE
Germany
Prior art keywords
boreholes
shaped charges
charges
shaped
perforating
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
DES22975A
Other languages
German (de)
Inventor
Maxime Felix Benoit Picard
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.)
Services Petroliers Schlumberger SA
Original Assignee
Societe de Prospection Electrique Schlumberger SA
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 Societe de Prospection Electrique Schlumberger SA filed Critical Societe de Prospection Electrique Schlumberger SA
Application granted granted Critical
Publication of DE852386C publication Critical patent/DE852386C/en
Expired 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
    • E21B43/117—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)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Catching Or Destruction (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Dowels (AREA)
  • Component Parts Of Construction Machinery (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

5412 10.525412 10.52

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Vorrichtung mit Hohlladungen zum Durchlochen der die Innenwand von Bohrlöchern auskleidenden Verrohrung, dadurch gekennzeichnet, daß im Innern der konischen Abdeckung vor den Ladungen ein Produkt zelliger Struktur, vorzugsweise Schaumkautschuk, untergebracht ist.Device with shaped charges for perforating the inner wall of boreholes lining Pipework, characterized in that inside the conical cover in front of the charges a product of cellular structure, preferably foam rubber, is housed.
DES22975A 1950-05-11 1951-05-01 Device with shaped charges for use in boreholes Expired DE852386C (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE852386C true DE852386C (en) 1952-10-13

Family

ID=9329400

Family Applications (2)

Application Number Title Priority Date Filing Date
DES22974A Expired DE857331C (en) 1950-05-11 1951-05-01 Device with shaped charges for use in boreholes
DES22975A Expired DE852386C (en) 1950-05-11 1951-05-01 Device with shaped charges for use in boreholes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DES22974A Expired DE857331C (en) 1950-05-11 1951-05-01 Device with shaped charges for use in boreholes

Country Status (5)

Country Link
US (1) US2849953A (en)
DE (2) DE857331C (en)
FR (2) FR1022868A (en)
GB (2) GB694144A (en)
NL (2) NL78744C (en)

Cited By (1)

* 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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021784A (en) * 1955-09-21 1962-02-20 Borg Warner Shaped charge unit for well perforators
DE974557C (en) * 1956-07-27 1961-02-09 Wasagchemie Ag Procedure for controlling and reinforcing the effect of explosive devices
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 (en) * 1989-01-07 1998-02-26 Rheinmetall Ind Ag Warhead
DE4029876A1 (en) * 1990-09-21 1992-03-26 Diehl Gmbh & Co AMMUNITION WITH A FOAM SUPPORT BODY
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 (en) * 1946-03-09

Cited By (1)

* 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

Also Published As

Publication number Publication date
GB711801A (en) 1954-07-14
NL78744C (en)
DE857331C (en) 1952-11-27
NL161067B (en)
FR1022867A (en) 1953-03-11
GB694144A (en) 1953-07-15
US2849953A (en) 1958-09-02
FR1022868A (en) 1953-03-11

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