A technique facilitates controlled detonation in well environments and other types of environments. Electronics for controlling detonation of a pellet of explosive material are mounted on a structure, such as a circuit board. The pellet is operatively coupled with the electronics and positioned to e
A technique facilitates controlled detonation in well environments and other types of environments. Electronics for controlling detonation of a pellet of explosive material are mounted on a structure, such as a circuit board. The pellet is operatively coupled with the electronics and positioned to extend outwardly from the structure. Another explosive component is arranged across the pellet at a predetermined angle, e.g. a right angle, with respect to a longitudinal axis of the pellet. In well applications or other applications utilizing shaped charges, the explosive component may be coupled to the shaped charge via a detonator cord.
대표청구항▼
1. A system for perforating, comprising: a perforating gun having a shaped charge;a detonator cord coupled to the shaped charge; anda detonator system coupled to the detonator cord to initiate detonation of the detonator cord for ultimate detonation of the shaped charge, the detonator system compris
1. A system for perforating, comprising: a perforating gun having a shaped charge;a detonator cord coupled to the shaped charge; anda detonator system coupled to the detonator cord to initiate detonation of the detonator cord for ultimate detonation of the shaped charge, the detonator system comprising: a circuit board lying generally along a plane and having electronics;a first explosive component engaged with the electronics and extending from the circuit board, wherein the first explosive component has a first longitudinal axis; anda second explosive component having a second longitudinal axis, the second explosive component being engaged with the first explosive component such that the second longitudinal axis being approximately perpendicular to the first longitudinal axis, the electronics being controlled to initiate explosion of the first explosive component which, in turn, initiates explosion of the second explosive component to cause detonation of the detonating cord and the shaped charge. 2. The system as recited in claim 1, wherein the first explosive component extends from the circuit board at approximately a right angle with respect to the plane, further wherein the electronics comprise an exploding foil initiator (EFI). 3. The system as recited in claim 1, wherein the first explosive component comprises an explosive pellet mounted to the circuit board. 4. The system as recited in claim 1, wherein the second explosive component comprises an end of the detonator cord. 5. The system as recited in claim 1, wherein the second explosive component comprises a booster engaged with the detonator cord. 6. The system as recited in claim 1, wherein the second explosive component comprises a transfer donor connected to a booster which, in turn, is engaged with the detonator cord. 7. The system as recited in claim 1, wherein the first explosive component has a curved surface engaging the second explosive component. 8. The system as recited in claim 1, wherein the second explosive component comprises an end of the detonator cord and the first explosive component has a curved surface with a curvature for receiving a corresponding curved surface of the end of the detonator cord. 9. The system as recited in claim 1, wherein the circuit board comprises at least one of a rigid board, a flex board, and a rigidflex board. 10. A system for initiating a detonation, comprising: a circuit board having electronics for initiating detonation of explosive material;a pellet formed from the explosive material and extending from the circuit board along a first longitudinal axis, the pellet being coupled with the electronics; andan explosive component having a second longitudinal axis positioned approximately perpendicular to the first longitudinal axis of the pellet such that the explosive component extends along a portion of the circuit board at a position spaced from the circuit board, the electronics being controllable to initiate detonation of the pellet which, in turn, initiates detonation of the explosive component. 11. The system as recited in claim 10, wherein the pellet and the explosive component have respective axes which extend at generally right angles with respect to each other. 12. The system as recited in claim 11, wherein the pellet extends at generally a right angle with respect to the circuit board. 13. The system as recited in claim 10, wherein the explosive component comprises an end of a detonator cord. 14. The system as recited in claim 13, wherein the detonator cord is coupled with a shaped charge. 15. The system as recited in claim 10, wherein the explosive component comprises a booster. 16. The system as recited in claim 10, wherein the explosive component comprises a transfer donor. 17. The system as recited in claim 10, wherein the pellet engages the explosive component along a curved surface. 18. A method, comprising: positioning a pellet of explosive material so as to extend outwardly along a first longitudinal axis from a structure carrying electronics;coupling the electronics to the pellet in a manner to enable selective detonation of the pellet;arranging an explosive component having a second longitudinal axis across the pellet approximately perpendicular to the first longitudinal axis of the pellet; andcoupling the explosive component to a shaped charge. 19. The method as recited in claim 18, wherein coupling comprises coupling the explosive component to the shaped charge with a detonator cord. 20. The method as recited in claim 19, further comprising running the shaped charge downhole into a wellbore.
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이 특허에 인용된 특허 (7)
Savitt Jacob (Capitola CA) Morgan William Campbell (San Jose CA), Booster apparatus for augmenting side initiation of explosive cords.
Brooks James E. (Manvel TX) Markel Daniel C. (Houston TX), Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bul.
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