NL198656A - - Google Patents

Info

Publication number: NL198656A
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.)

1949-01-22

Publication of NL198656A publication Critical patent/NL198656A/xx

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)
Air Bags (AREA)
Geophysics And Detection Of Objects (AREA)

NL198656D 1949-01-22 NL198656A (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NL198656A true NL198656A (es)

Family

ID=9311213

Family Applications (4)

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

Family Applications Before (3)

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

Country Status (4)

Country	Link
DE (1)	DE842035C (es)
FR (2)	FR997994A (es)
GB (1)	GB677824A (es)
NL (4)	NL198656A (es)

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
WO2000022279A1 (en)	1998-09-24	2000-04-20	Schlumberger Technology Corporation	Initiation of explosive devices
US6752083B1 (en)	1998-09-24	2004-06-22	Schlumberger Technology Corporation	Detonators for use with explosive devices
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
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
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

0
- NL NL88500D patent/NL88500C/xx active
- NL NL198655D patent/NL198655A/xx unknown
- NL NL88944D patent/NL88944C/xx active
- NL NL198656D patent/NL198656A/xx unknown
1949
- 1949-01-22 FR FR997994D patent/FR997994A/fr not_active Expired
- 1949-01-22 FR FR997993D patent/FR997993A/fr not_active Expired
1950
- 1950-01-23 GB GB1743/50A patent/GB677824A/en not_active Expired
- 1950-09-28 DE DES19706A patent/DE842035C/de not_active Expired

Also Published As

Publication number	Publication date
NL88500C (es)
NL198655A (es)
FR997993A (fr)	1952-01-14
FR997994A (fr)	1952-01-14
DE842035C (de)	1952-06-23
GB677824A (en)	1952-08-20
NL88944C (es)

Publication	Publication Date	Title
AT193848B (es)	1957-12-10
BE488285A (es)
BE488029A (es)	1949-04-18
BE437616A (es)
BE449134A (es)
BE457200A (es)
BE476015A (es)
BE476643A (es)
BE476829A (es)
BE479156A (es)
BE480597A (es)
BE480618A (es)
BE482756A (es)
BE483443A (es)
BE483689A (es)
BE485768A (es)
BE488420A (es)
BE486689A (es)	1949-01-31
BE486819A (es)
BE487077A (es)	1949-02-15
BE487289A (es)
BE487335A (es)
BE487425A (es)
BE487428A (es)
BE487564A (es)