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US 11,448,044 B2Granted
Universal plug and play perforating gun tandem
AssigneeHunting Titan, Inc.
InventorsAdam Dyess, Jason Hoang Mai, Richard Wayne Bradley, Joshua Blake Howk
Life of this patent
Estimating the term…
Abstract
A method and apparatus for providing a universal plug in cartridge detonator capability in box-by-box perforating guns.
Claims25
A tandem sub for connecting one or more perforating guns comprising:
- a cylindrical body with a first end, a second end, and a hollow inner bore;
- wherein the first end is a pinned end adapted to couple to a box end of a First perforating gun housing;
- wherein the second end is a pinned end adapted to couple to a box end of a second perforating gun housing;
- wherein the inner bore is adapted to contain a plug and play cartridge detonator assembly that can detonate a detonating cord upon receiving an electrical command from a wire;
- and
- a cartridge detonator assembly disposed within the hollow inner bore, the cartridge detonator further comprising a cylindrical body housing, an electrical switch and circuit board, a distal end having a detonator, and a contact spring for electrically coupling the detonator assembly to a signal wire.
3 more elements
A perforating gun string comprising:
- a first perforating gun with an uphole box end, a downhole box end, a plurality of shaped charges connected together with a detonating cord, and a wire disposed therein, traveling from the uphole end to the downhole end;
- a first tandem sub for connecting one or more perforating guns coupled to the downhole end of the first perforating gun further comprising:
- a cylindrical body with a first end, a second end, and a hollow inner bore;
- wherein the first end is a pinned end adapted to couple to a box end of the first perforating gun housing;
- wherein the second end is a pinned end adapted to couple to a box end of a second perforating gun housing;
- wherein the inner bore is adapted to contain a plug and play cartridge detonator assembly that can detonate the detonating cord of the first perforating gun upon receiving an electrical command from the wire;
- and
- a cartridge detonator assembly disposed within the hollow inner bore, the cartridge detonator further comprising a cylindrical body housing, an electrical switch and circuit board, a distal end having a detonator, and a contact spring for electrically coupling the detonator assembly to a signal wire.
5 more elements
A method for detonating a perforating gun comprising:
- coupling a first perforating gun to a tandem sub, wherein the tandem sub contains a plug and play cartridge detonator;
- connecting a signal wire from the first perforating gun to the tandem sub;
- placing the first perforating gun at a predetermined location downhole to perforate a desired location of a wellbore;
- detonating the first perforating gun by sending a firing command to the tandem sub;
- and
- removing the first perforating gun from the wellbore.
3 more elements
Dependencies are inferred from the claim text.