US 12,116,871 B2
Retrievable perforating gun assembly and components
Christian Eitschberger, Munich (DE); Arash Shahinpour, Troisdorf (DE); Gernot Uwe Burmeister, Austin, TX (US); and Thilo Scharf, Letterkenny (IE)
Assigned to DynaEnergetics Europe GmbH, Troisdorf (DE)
Appl. No. 17/437,124
Filed by DynaEnergetics Europe GmbH, Troisdorf (DE)
PCT Filed Mar. 24, 2020, PCT No. PCT/EP2020/058241
§ 371(c)(1), (2) Date Sep. 8, 2021,
PCT Pub. No. WO2020/200935, PCT Pub. Date Oct. 8, 2020.
Claims priority of provisional application 62/827,468, filed on Apr. 1, 2019.
Prior Publication US 2022/0178230 A1, Jun. 9, 2022
Int. Cl. E21B 43/117 (2006.01); E21B 43/1185 (2006.01)
CPC E21B 43/117 (2013.01) [E21B 43/1185 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A perforating gun assembly comprising:
a perforating gun module comprising:
a housing including:
an outer surface,
a first connector end,
a second connector end opposite the first connector end and spaced apart from the first connector end, and
a chamber extending along a central axis of the housing between the first connector end and the second connector end;
a plurality of sockets extending into the outer surface of the housing towards the chamber, wherein the sockets are arranged around the central axis of the housing, each socket of the plurality of sockets being configured to receive a shaped charge, and each socket comprising a connector comprising at least one of an internal thread, a bayonet mount, or a retainer lock, the connector being configured to secure the corresponding shaped charge in the socket; and
a sealing member disposed at at least one of the first connector end, the second connector end, or the plurality of sockets such that the chamber of the housing is pressure sealed,
wherein the chamber of the housing includes:
a first cavity configured for receiving a first connector end of an adjacent perforating gun module;
a second cavity configured for receiving an initiator; and
a third cavity configured for receiving at least a portion of a bulkhead assembly.