NL88944C - - Google Patents

Info

Publication number
NL88944C
NL88944C NL88944DA NL88944C NL 88944 C NL88944 C NL 88944C NL 88944D A NL88944D A NL 88944DA NL 88944 C NL88944 C NL 88944C
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 NL88944C publication Critical patent/NL88944C/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
    • 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
    • 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
    • F42B3/26—Arrangements for mounting initiators; Accessories therefor, e.g. tools
    • 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
    • F42B3/28—Cartridge cases characterised by the material used, e.g. coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Air Bags (AREA)
NL88944D 1949-01-22 NL88944C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842035X 1949-01-22

Publications (1)

Publication Number Publication Date
NL88944C true NL88944C (da)

Family

ID=9311213

Family Applications (4)

Application Number Title Priority Date Filing Date
NL198656D NL198656A (da) 1949-01-22
NL88944D NL88944C (da) 1949-01-22
NL198655D NL198655A (da) 1949-01-22
NL88500D NL88500C (da) 1949-01-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL198656D NL198656A (da) 1949-01-22

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL198655D NL198655A (da) 1949-01-22
NL88500D NL88500C (da) 1949-01-22

Country Status (4)

Country Link
DE (1) DE842035C (da)
FR (2) FR997994A (da)
GB (1) GB677824A (da)
NL (4) NL88500C (da)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2912931A (en) * 1951-10-23 1959-11-17 Phillips Petroleum Co Kick-off for gas-lift wells
DE1142536B (de) * 1952-08-12 1963-01-17 Charlotte Vogt Geb Petersen Rotationssymmetrische Hohlsprengladung
US4213391A (en) * 1953-05-07 1980-07-22 The United States Of America As Represented By The Secretary Of The Army Anti-tank mine with peripheral charge initiation
DE1012877B (de) * 1953-05-23 1957-08-01 Perforating Guns Atlas Corp Schussgeraet zum Durchlochen von Bohrrohren
US2908222A (en) * 1953-05-25 1959-10-13 Borg Warner Apparatus for detonating shaped explosive charges
DE1102675B (de) * 1953-07-28 1961-03-23 Pan Geo Atlas Corp Hohlladungs-Schiessgeraet zum Perforieren der Bohrlochverrohrung
US2916991A (en) * 1954-08-11 1959-12-15 Western Company Jet gun
US2891477A (en) * 1955-07-26 1959-06-23 Du Pont Initiation device desensitized by fluids
US2957415A (en) * 1955-11-10 1960-10-25 Montedison Spa Safety device for electric primers for mines, to protect against ignition by stray electric currents
US3027838A (en) * 1956-06-27 1962-04-03 Borg Warner Shaped charge
US2999458A (en) * 1958-07-01 1961-09-12 Du Pont Surface wave generator
GB785155A (en) * 1959-01-14 1957-10-23 Borg Warner Improvements in or relating to explosive charges
US3145656A (en) * 1959-08-14 1964-08-25 Melvin A Cook Explosive warhead
US3211094A (en) * 1960-05-18 1965-10-12 Jr Thomas P Liddiard Explosive wave shaper
US3147707A (en) * 1961-05-26 1964-09-08 Jet Res Ct Inc Shaped explosive device and type metal liner for the cavity thereof
US3136249A (en) * 1961-06-12 1964-06-09 Jet Res Ct Inc Shaped charge explosive unit and liner therefor
US3517615A (en) * 1961-07-14 1970-06-30 Us Navy Explosive wave shaper
FR2549949B1 (fr) * 1983-07-28 1987-01-16 Commissariat Energie Atomique Procede et dispositif pour la conformation d'une onde de detonation
FR2672380B1 (fr) * 1983-08-18 1993-12-31 Commissariat A Energie Atomique Charge formee a hautes performances.
GB2213241A (en) * 1987-11-17 1989-08-09 Secr Defence Linear hollow charge device
US5094167A (en) * 1990-03-14 1992-03-10 Schlumberger Technology Corporation Shape charge for a perforating gun including an integrated circuit detonator and wire contactor responsive to ordinary current for detonation
US5837925A (en) * 1995-12-13 1998-11-17 Western Atlas International, Inc. Shaped charge retainer system
US6752083B1 (en) 1998-09-24 2004-06-22 Schlumberger Technology Corporation Detonators for use with explosive devices
DE19983586B4 (de) 1998-09-24 2008-05-15 Schlumberger Technology B.V. Zünden von Sprengeinrichtungen
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
US6148263A (en) * 1998-10-27 2000-11-14 Schlumberger Technology Corporation Activation of well tools
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
US6499406B2 (en) * 2000-12-30 2002-12-31 Dong Soo Shim Blasting apparatus for forming horizontal underground cavities and blasting method using the same
US7121340B2 (en) * 2004-04-23 2006-10-17 Schlumberger Technology Corporation Method and apparatus for reducing pressure in a perforating gun
US8342094B2 (en) 2009-10-22 2013-01-01 Schlumberger Technology Corporation Dissolvable material application in perforating
US11346184B2 (en) 2018-07-31 2022-05-31 Schlumberger Technology Corporation Delayed drop assembly

Also Published As

Publication number Publication date
GB677824A (en) 1952-08-20
FR997993A (fr) 1952-01-14
NL88500C (da)
NL198655A (da)
DE842035C (de) 1952-06-23
NL198656A (da)
FR997994A (fr) 1952-01-14

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