Reactive foil lined shaped charge
AssigneeSchlumberger Technology Corporation
InventorsDavid Austin, II, Hongfa Huang, John E. Fuller
Life of this patent
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Abstract
The present disclosure relates to a shaped charge. The shaped charge includes an explosive component and a shaped charge case surrounding an exterior surface of the explosive component. The shaped charge also includes a liner member coupled to the explosive component. The explosive component and the liner member are configured to form a perforating jet based on detonation of the explosive component. The shaped charge also includes one or more reactive foils coupled to the explosive component and configured to initiate the explosive component.
Claims19
A shaped charge, comprising:
- an explosive component;
- a shaped charge case surrounding an exterior surface of the explosive component;
- a liner member coupled to the explosive component, wherein the explosive component and the liner member are configured to form a perforating jet based on detonation of the explosive component;
- and
- a plurality of reactive foils coupled to the explosive component and configured to initiate an explosion of the explosive component, wherein the plurality of reactive foils comprises:
- a first reactive foil positioned at an apex portion of the shaped charge case at a first longitudinal position along a longitudinal axis of the shaped charge case;
- and
- a plurality of second reactive foils positioned along a skirt portion of the shaped charge case at respective second longitudinal positions along the longitudinal axis of the shaped charge case, wherein the first longitudinal position is different from the respective second longitudinal positions.
A shaped charge, comprising:
- an explosive component;
- a shaped charge case surrounding an exterior surface of the explosive component;
- a liner member coupled to the explosive component, wherein the explosive component and the liner member are configured to form a perforating jet based on detonation of the explosive component;
- a primary reactive foil positioned at an apex of the explosive component at a first longitudinal position along a longitudinal axis of the shaped charge case, wherein the primary reactive foil is configured to initiate the explosive component;
- a plurality of additional reactive foils separate from the primary reactive foil and positioned along a skirt portion of the shaped charge case at respective second longitudinal positions along the longitudinal axis of the shaped charge case, wherein the first longitudinal position is different from the second longitudinal positions;
- and
- a reactive foil initiation subsystem configured to trigger the detonation of the explosive component by the primary reactive foil and the plurality of additional reactive foils.
A method, comprising:
- providing a shaped charge case;
- providing one or more reactive foils within an apex portion of the shaped charge case at a first longitudinal position along a longitudinal axis of the shaped charge case;
- providing an explosive material into the shaped charge case and coupling the explosive material to the one or more reactive foils;
- providing a plurality of additional reactive foils along a skirt portion of the shaped charge case at respective second longitudinal positions along the longitudinal axis of the shaped charge case, wherein the first longitudinal position is different from the second longitudinal positions;
- and
- assembling a reactive lined shaped charge based on the explosive material being provided into the shaped charge case and coupled to the one or more reactive foils and the plurality of additional reactive foils.
Dependencies are inferred from the claim text.