Detonators for use with explosive devices
AssigneeSchlumberger Technology Corporation
InventorsNolan C. Lerche, James E. Brooks, Kenneth E. Rozek
Life of this patent
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Abstract
A detonator assembly for use with explosive devices includes a support structure, an exploding foil initiator mounted on the support structure, and a barrel attached to the support structure and adjacent the exploding foil initiator. The support structure may include a flex cable. An explosive is placed in the proximity of the exploding foil initiator.
Claims45
A detonator assembly for use with an explosive device, comprising:
- a support structure;
- an exploding foil initiator mounted on the support structure;
- a switch mounted on the support structure adapted to be activated to couple electrical energy to the exploding foil initiator;
- and
- an opening formed in the support structure adjacent the exploding foil initiator, the opening adapted to receive an initiating element of the exploding foil initiator.
A detonator assembly for use with an explosive tool, comprising:
- an energy source;
- an exploding foil initiator;
- a switch coupling the energy source to the exploding foil initiator;
- and
- a support structure on which the energy source, exploding foil initiator, and switch are mounted,
- wherein an opening is formed in the support structure proximal the exploding foil initiator to receive an initiating element of the exploding foil initiator.
A downhole tool for use in a well, comprising:
- a detonator assembly including an exploding foil initiator and a housing having a latch portion;
- a booster explosive, the housing having a chamber adapted to receive the booster explosive, and the latch portion adapted to engage the booster explosive,
- wherein the exploding foil initiator is positioned proximal the booster explosive so that an initiator element from the exploding foil initiator is able to impact the booster explosive.
A downhole tool for use in a well, comprising:
- a detonator assembly including an exploding foil initiator and a housing having a latch portion;
- and
- a booster explosive, the housing having a chamber adapted to receive the booster explosive, and the latch portion adapted to engage the booster explosive,
- wherein the housing includes a plurality of segments separated by slits, the chamber formed at least in part by a portion of the housing including the plurality of segments,
- wherein external surfaces of the segments form a threaded portion, the downhole tool further comprising a retainer nut adapted to engage the threaded portion to lock the booster explosive in the housing.
A detonator assembly activable by signals in one or more electrical wires, comprising:
- an initiator;
- and
- a housing containing the initiator and an insulation displacement connector adapted to electrically receive the one or more electrical wires.
Apparatus for initiating an explosive device, comprising:
- a support structure having a first segment and a second segment the first and second segments being angled with respect to each other;
- an energy source mounted on the first segment;
- and
- an exploding foil initiator mounted on the second segment.
A detonator assembly, comprising:
- one or more housings;
- an explosive contained in the one or more housings;
- a flexible support structure having a first portion angled with respect to another portion of the support structure, the flexible support structure mounted in the one or more housings;
- and
- an initiator mounted on the first portion to orient the initiator towards the explosive.
A method of making a detonator assembly, comprising:
- providing a support structure having a first segment and a second segment;
- providing the first segment generally perpendicularly to the second segment;
- mounting an energy source on the first segment;
- and
- mounting an exploding foil initiator on the second segment.
Dependencies are inferred from the claim text.