FR997994A - Improvements to shaped charge perforators used in boreholes - Google Patents

Improvements to shaped charge perforators used in boreholes

Info

Publication number
FR997994A
FR997994A FR997994DA FR997994A FR 997994 A FR997994 A FR 997994A FR 997994D A FR997994D A FR 997994DA FR 997994 A FR997994 A FR 997994A
Authority
FR
France
Prior art keywords
boreholes
shaped charge
charge perforators
perforators used
shaped
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
Other languages
French (fr)
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 FR997994A publication Critical patent/FR997994A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
FR997994D 1949-01-22 1949-01-22 Improvements to shaped charge perforators used in boreholes Expired FR997994A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR997994A true FR997994A (en) 1952-01-14

Family

ID=9311213

Family Applications (2)

Application Number Title Priority Date Filing Date
FR997993D Expired FR997993A (en) 1949-01-22 1949-01-22 Shaped explosive devices
FR997994D Expired FR997994A (en) 1949-01-22 1949-01-22 Improvements to shaped charge perforators used in boreholes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR997993D Expired FR997993A (en) 1949-01-22 1949-01-22 Shaped explosive devices

Country Status (4)

Country Link
DE (1) DE842035C (en)
FR (2) FR997993A (en)
GB (1) GB677824A (en)
NL (4) NL198656A (en)

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 (en) * 1952-08-12 1963-01-17 Charlotte Vogt Geb Petersen Rotationally symmetrical hollow explosive charge
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 (en) * 1953-05-23 1957-08-01 Perforating Guns Atlas Corp Gun for piercing drill pipes
US2908222A (en) * 1953-05-25 1959-10-13 Borg Warner Apparatus for detonating shaped explosive charges
DE1102675B (en) * 1953-07-28 1961-03-23 Pan Geo Atlas Corp Shaped charge gun for perforating the casing of the borehole
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 (en) * 1983-07-28 1987-01-16 Commissariat Energie Atomique METHOD AND DEVICE FOR CONFORMING A DETONATION WAVE
FR2672380B1 (en) * 1983-08-18 1993-12-31 Commissariat A Energie Atomique HIGH PERFORMANCE FORMED LOAD.
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
CA2345301C (en) 1998-09-24 2005-11-01 Schlumberger Technology Corporation Initiation of explosive devices
US6938689B2 (en) 1998-10-27 2005-09-06 Schumberger Technology Corp. Communicating with a tool
US7347278B2 (en) 1998-10-27 2008-03-25 Schlumberger Technology Corporation Secure activation of a downhole device
US6283227B1 (en) 1998-10-27 2001-09-04 Schlumberger Technology Corporation Downhole activation system that assigns and retrieves identifiers
US6148263A (en) * 1998-10-27 2000-11-14 Schlumberger Technology Corporation Activation of well tools
US7383882B2 (en) 1998-10-27 2008-06-10 Schlumberger Technology Corporation Interactive and/or secure activation of a tool
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
NL198656A (en)
NL88500C (en)
NL88944C (en)
NL198655A (en)
DE842035C (en) 1952-06-23
GB677824A (en) 1952-08-20
FR997993A (en) 1952-01-14

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