GB705002A - Improvements in an arrangement for firing from a distance charges of powder or explosive for operating apparatus situated in boreholes - Google Patents

Improvements in an arrangement for firing from a distance charges of powder or explosive for operating apparatus situated in boreholes

Info

Publication number
GB705002A
GB705002A GB29147/51A GB2914751A GB705002A GB 705002 A GB705002 A GB 705002A GB 29147/51 A GB29147/51 A GB 29147/51A GB 2914751 A GB2914751 A GB 2914751A GB 705002 A GB705002 A GB 705002A
Authority
GB
United Kingdom
Prior art keywords
charge
firing
charges
primed
cable
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
GB29147/51A
Other languages
English (en)
Inventor
Marcel Schlumberger
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
Publication of GB705002A publication Critical patent/GB705002A/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
    • E21B43/1185—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

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)
  • Geophysics And Detection Of Objects (AREA)
  • Air Bags (AREA)
  • Sampling And Sample Adjustment (AREA)
GB29147/51A 1951-01-30 1951-12-12 Improvements in an arrangement for firing from a distance charges of powder or explosive for operating apparatus situated in boreholes Expired GB705002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1044580T 1951-01-30

Publications (1)

Publication Number Publication Date
GB705002A true GB705002A (en) 1954-03-03

Family

ID=9427133

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29147/51A Expired GB705002A (en) 1951-01-30 1951-12-12 Improvements in an arrangement for firing from a distance charges of powder or explosive for operating apparatus situated in boreholes

Country Status (5)

Country Link
US (1) US2761385A (nl)
DE (1) DE920233C (nl)
FR (1) FR1044580A (nl)
GB (1) GB705002A (nl)
NL (1) NL80264C (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3052185A (en) * 1954-07-02 1962-09-04 Apstein Maurice Electric switch
NL121038C (nl) * 1958-02-20
FR1264620A (fr) * 1960-05-12 1961-06-23 Schlumberger Prospection Perfectionnements aux dispositifs de mise à feu à distance de charges de poudre oud'explosif
US3227228A (en) * 1963-05-24 1966-01-04 Clyde E Bannister Rotary drilling and borehole coring apparatus and method
US4100978A (en) * 1974-12-23 1978-07-18 Boop Gene T Technique for disarming and arming electrically fireable explosive well tool
US4051907A (en) * 1976-03-10 1977-10-04 N L Industries, Inc. Selective firing system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1738595A (en) * 1927-05-17 1929-12-10 Hercules Powder Co Ltd Method for firing explosives
US2307729A (en) * 1939-03-17 1943-01-05 Foster James Lewis Well explosive
US2343087A (en) * 1940-01-23 1944-02-29 Schlumberger Marcel Switching mechanism for borehole apparatus
US2331058A (en) * 1942-08-14 1943-10-05 Lane Wells Co Firing apparatus for gun perforators
US2511408A (en) * 1944-06-09 1950-06-13 Schlumberger Well Surv Corp Side wall sample taker
US2546686A (en) * 1947-03-21 1951-03-27 Du Pont Blasting device
US2543823A (en) * 1948-03-26 1951-03-06 Standard Oil Dev Co Casing perforating gun
US2569511A (en) * 1948-12-22 1951-10-02 Du Pont Blasting device

Also Published As

Publication number Publication date
DE920233C (de) 1954-11-15
US2761385A (en) 1956-09-04
FR1044580A (fr) 1953-11-19
NL80264C (nl) 1955-08-15

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