OA07480A - A single-wire selective perforation system having firing safeguards. - Google Patents

A single-wire selective perforation system having firing safeguards.

Info

Publication number
OA07480A
OA07480A OA58047A OA58047A OA07480A OA 07480 A OA07480 A OA 07480A OA 58047 A OA58047 A OA 58047A OA 58047 A OA58047 A OA 58047A OA 07480 A OA07480 A OA 07480A
Authority
OA
OAPI
Prior art keywords
safeguards
firing
perforation system
selective perforation
wire selective
Prior art date
Application number
OA58047A
Other languages
English (en)
Inventor
Ernesto E Bordon
Joseph E Chapman
Original Assignee
Schlumberger Ltd
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
Priority claimed from US06/394,949 external-priority patent/US4527636A/en
Priority claimed from US06/394,948 external-priority patent/US4496010A/en
Application filed by Schlumberger Ltd filed Critical Schlumberger Ltd
Publication of OA07480A publication Critical patent/OA07480A/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
    • E21B43/1185—Ignition systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition
    • F42D1/05—Electric circuits for blasting
    • F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
OA58047A 1982-07-02 1983-07-01 A single-wire selective perforation system having firing safeguards. OA07480A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/394,949 US4527636A (en) 1982-07-02 1982-07-02 Single-wire selective perforation system having firing safeguards
US06/394,948 US4496010A (en) 1982-07-02 1982-07-02 Single-wire selective performation system

Publications (1)

Publication Number Publication Date
OA07480A true OA07480A (en) 1984-12-31

Family

ID=27014932

Family Applications (1)

Application Number Title Priority Date Filing Date
OA58047A OA07480A (en) 1982-07-02 1983-07-01 A single-wire selective perforation system having firing safeguards.

Country Status (8)

Country Link
EP (1) EP0098779B1 (no)
AU (1) AU564471B2 (no)
DE (1) DE3373939D1 (no)
DK (1) DK168168B1 (no)
IN (1) IN162141B (no)
MX (1) MX158750A (no)
NO (1) NO167995C (no)
OA (1) OA07480A (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EG19633A (en) * 1983-12-22 1995-08-30 Dynamit Nobel Ag Process for chronologically staggered release of electronic explosive detonating device
SE458721B (sv) * 1984-04-05 1989-04-24 Saab Training Systems Ab Anordning foer uppsoekning och avfyrning av en pyroteknisk laddning
US4860653A (en) * 1985-06-28 1989-08-29 D. J. Moorhouse Detonator actuator
US4869171A (en) * 1985-06-28 1989-09-26 D J Moorhouse And S T Deeley Detonator
AU595916B2 (en) * 1986-08-29 1990-04-12 Ici Australia Operations Proprietary Limited Detonator system
FR2660749B1 (fr) * 1990-04-05 1994-07-08 Lacroix E Tous Artifices Systeme de declenchement sequentiel controle et automatique d'une pluralite de charges utiles pyrotechniques.
US7870825B2 (en) * 2003-07-15 2011-01-18 Special Devices, Incorporated Enhanced method, device, and system for identifying an unknown or unmarked slave device such as in an electronic blasting system
CN109115060B (zh) * 2018-10-15 2023-09-19 中国工程物理研究院电子工程研究所 一种冲击片雷管可调通用型脉冲电流发生装置及其控制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3010396A (en) * 1957-12-31 1961-11-28 Western Co Of North America Selective firing apparatus
US3495212A (en) * 1968-09-05 1970-02-10 Schlumberger Technology Corp Methods and apparatus for detecting the sudden movement of a tool in a well
US3517757A (en) * 1968-09-23 1970-06-30 Schlumberger Technology Corp Switching apparatus for selectively actuating explosive well-completion devices
US4051907A (en) * 1976-03-10 1977-10-04 N L Industries, Inc. Selective firing system
GB2015791B (en) * 1978-02-01 1982-06-03 Ici Ltd Selective actuation of electrical loads
NZ199616A (en) * 1981-02-12 1985-11-08 Aeci Ltd Sequential activation of detonators:timing mode controllers respond sequentially to signals from shot exploder

Also Published As

Publication number Publication date
EP0098779A2 (en) 1984-01-18
EP0098779B1 (en) 1987-09-30
NO167995B (no) 1991-09-23
NO167995C (no) 1992-01-02
DK168168B1 (da) 1994-02-21
DE3373939D1 (en) 1987-11-05
IN162141B (no) 1988-04-02
DK305583D0 (da) 1983-07-01
DK305583A (da) 1984-01-03
NO832177L (no) 1984-01-03
AU564471B2 (en) 1987-08-13
AU1648483A (en) 1984-01-05
EP0098779A3 (en) 1985-11-06
MX158750A (es) 1989-03-10

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