PERFORATION GUN COMPONENTS AND SYSTEM
Components for a perforation gun system are provided including combinations of components including a self-centralizing charge holder system and a bottom connector that can double as a spacer. Any number of spacers can be used with any number of holders for any desired specific metric or imperial shot density, phase and length gun system.
1 . A perforation gun system comprising an outer gun carrier, comprising:
a top connector;
a plurality of stackable charge holders, wherein each of the stackable charge holders positions a single shaped charge within the charge holder;
a detonating cord connected to each of the stackable charge holders;
a wireless push-in detonator energetically coupled to the detonating cord; and
at least one bottom connector, wherein
each of the top connector, the stackable charge holders and the bottom connector comprise a rotation coupling for providing a selectable clocking rotation between each of the top connector, the stackable charge holders and the bottom connector.
2 . The perforation gun system of claim 1 , wherein the detonator comprises:
a detonator head;
a detonator body; and
a plurality of detonator wires between the detonator head and the detonator body, wherein the detonator wires comprise a through wire, a signal-in wire and a ground wire.
3 . The perforation gun system of claim 2 , wherein the detonator head comprises:
a through wire connector element connected to the through wire;
a ground contact element configured to connect the ground wire to the tandem seal adapter through ground springs; and
a bulkhead connector element for connecting the signal-in wire to a bulkhead assembly.
4 . The perforation gun system of claim 2 , further comprising a plurality of insulating elements configured to insulate the detonator head and detonator wires from surrounding components.
5 . The perforation gun system of claim 2 , further comprising a plurality of insulating elements configured to insulate between at least one of the through wire connector element, the ground contact element and bulkhead connector element.
6 . The perforation gun system of claim 1 , wherein the stackable charge holders comprise a bottommost stackable charge holder, and the detonating cord is terminated at the bottommost stackable charge holder.
7 . The perforation gun system of claim 1 , wherein the rotation coupling comprises at least one of a plurality of pins and a plurality of sockets, wherein the pins and sockets are symmetrically arranged about the central axis of the rotation coupling and configured to engage the plurality of sockets or the plurality of pins of an adjacent rotation coupling.
8 . The perforation gun system of claim 1 , wherein at least one of the pins and sockets comprise a polygon shape.
9 . The perforation gun system of claim 1 , wherein the top connector, the at least one charge holder, and the at least one bottom connector are injection molded.
10 . A perforation gun system comprising an outer gun carrier, comprising:
a top connector;
a plurality of stackable charge holders, wherein each of the stackable charge holders positions a single shaped charge within the charge holder;
a detonating cord connected to the top connector and to each of the stackable charge holders; and
a plurality of bottom connectors,
wherein at least one of the bottom connectors doubles as a spacer for spacing the stackable charge holders.
11 . The perforation gun system of claim 10 , further comprising:
a wireless push-in detonator energetically coupled to the detonating cord.
12 . The perforation gun system of claim 11 , wherein the detonator comprises:
a detonator head;
a detonator body; and
a plurality of detonator wires between the detonator head and the detonator body, wherein the detonator wires comprise a through wire, a signal-in wire and a ground wire.
13 . The perforation gun system of claim 10 , wherein the top connector comprises a tandem seal adapter for grounding the detonator to the gun carrier.
14 . The perforation gun system of claim 12 , wherein the detonator head comprises:
a through wire connector element connected to the through wire;
a ground contact element configured to connect the ground wire to the tandem seal adapter through ground springs; and
a bulkhead connector element for connecting the signal-in wire to the bulkhead assembly.
15 . The perforation gun system of claim 10 , wherein the stackable charge holders comprise a bottommost stackable charge holder, and the detonating cord is terminated at the bottommost stackable charge holder.
16 . The perforation gun system of claim 12 , wherein the through wire traverses from the top connector to the bottom connector of the perforating gun system, making a connection at each charge holder.
17 . The perforation gun system of claim 10 , wherein the stackable charge holder comprises:
a charge receiving structure configured for receiving a shaped charge, the structure comprising a pair of arms extending between a first rotation coupling and a second rotation coupling; and
a plurality of projections extending from each of the arms of the charge receiving structure,
wherein the projections are configured for positioning and holding the shaped charge within the charge holder.
18 . A perforation gun system comprising an outer gun carrier, comprising:
a top connector;
a plurality of stackable charge holders, wherein each of the stackable charge holders positions a single shaped charge within the charge holder;
a detonating cord connected to each of the stackable charge holders; and
at least one bottom connector, wherein
each of the top connector, the stackable charge holders and the bottom connector comprise a rotation coupling for providing a selectable clocking rotation between each of the top connector, the stackable charge holders and the bottom connector, and
the top connector, the at least one charge holder, and the at least one bottom connector are injection molded.
19 . The perforating gun system of claim 18 , further comprising:
a wireless push-in detonator energetically coupled to the detonating cord.
20 . The perforating gun system of claim 18 , wherein the top connector comprises a tandem seal adapter for grounding the detonator to the gun carrier.