US 11,773,698 B2
Shaped charge holder and perforating gun
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)
Filed by DynaEnergetics Europe GmbH, Troisdorf (DE)
Filed on Jan. 31, 2022, as Appl. No. 17/588,830.
Application 17/588,830 is a continuation of application No. 17/004,966, filed on Aug. 27, 2020, granted, now 11,339,632.
Application 17/004,966 is a continuation of application No. 16/455,816, filed on Jun. 28, 2019, granted, now 10,844,696, issued on Nov. 24, 2020.
Application 16/455,816 is a continuation of application No. 16/272,326, filed on Feb. 11, 2019, granted, now 10,458,213, issued on Oct. 29, 2019.
Claims priority of provisional application 62/780,427, filed on Dec. 17, 2018.
Claims priority of provisional application 62/699,484, filed on Jul. 17, 2018.
Prior Publication US 2022/0154560 A1, May 19, 2022
Int. Cl. E21B 43/117 (2006.01); E21B 33/068 (2006.01); E21B 43/1185 (2006.01); E21B 47/09 (2012.01); E21B 43/119 (2006.01)
CPC E21B 43/117 (2013.01) [E21B 33/068 (2013.01); E21B 43/119 (2013.01); E21B 43/1185 (2013.01); E21B 47/09 (2013.01)] 20 Claims
OG exemplary drawing
 
13. A perforating gun comprising:
a perforating gun housing including a housing chamber;
a shaped charge holder positioned in the housing chamber, the shaped charge holder comprising:
a body having an external surface;
a cavity formed in the body and extending along a central axis of the body;
a plurality of shaped charge receiving structures formed in the external surface of the body and circumferentially arranged around the central axis, each shaped charge receiving structure of the plurality of shaped charge receiving structures being configured as a depression formed in the body, providing an opening to the cavity and being circumferentially spaced apart from another shaped charge receiving structure of the plurality of shaped charge receiving structures; and
a plurality of retention mechanisms outwardly extending from the body; and
a plurality of shaped charges, wherein
each shaped charge of the plurality of shaped charges comprises a shaped charge case, an explosive load disposed in the shaped charge case, and a liner disposed on top of the explosive load, and
each shaped charge of the plurality of shaped charges is positioned in one shaped charge receiving structure of the plurality of shaped charge receiving structures, and one or more of the retention mechanisms is configured to retain each of the shaped charges in a respective shaped charge receiving structure.