US 12,405,097 B2
Shaped charge integrated canister
Andrew Prisbell, Sugar Land, TX (US); Atsushi Nakano, Sugar Land, TX (US); and Terry Butler, Alvin, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on Feb. 22, 2024, as Appl. No. 18/584,445.
Application 18/584,445 is a continuation of application No. 17/654,336, filed on Mar. 10, 2022, granted, now 11,913,766.
Claims priority of provisional application 63/160,426, filed on Mar. 12, 2021.
Prior Publication US 2024/0247923 A1, Jul. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F42D 1/02 (2006.01); E21B 43/117 (2006.01); E21B 43/119 (2006.01); F42B 1/028 (2006.01); F42D 1/04 (2006.01)
CPC F42D 1/02 (2013.01) [E21B 43/117 (2013.01); E21B 43/119 (2013.01); F42B 1/028 (2013.01); F42D 1/04 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A charge canister for a perforation tool, the charge canister comprising:
a cylindrical body having a central passage and an expansion portion extending along a radius of the cylindrical body, wherein an interior of the central passage and an interior of the expansion portion are in fluid communication;
a liner disposed within the expansion portion in direct contact with an interior surface of the expansion portion, wherein the interior surface includes a surface treatment comprising one or more of scratching, scouring, abrading, or sandblasting; and
an explosive material disposed within the expansion portion and secured by the liner to be in direct contact with the surface treatment of the interior surface of the expansion portion.
 
12. A perforation tool comprising:
a tubular housing;
an initiation module disposed within the tubular housing, the initiation module comprising a detonator housing protruding from an end of the initiation module for housing a detonator; and
a charge canister disposed within the tubular housing, the charge canister comprising:
a cylindrical body having a central passage and an expansion portion extending along a radius of the cylindrical body, wherein an interior of the central passage and an interior of the expansion portion are in fluid communication;
a liner disposed within the expansion portion in direct contact with an interior surface of the expansion portion, wherein the interior surface of the expansion portion includes a surface treatment comprising one or more of scratching, scouring, abrading, or sandblasting; and
an explosive material disposed within the expansion portion and secured by the liner to be in direct contact with the surface treatment of the interior surface of the expansion portion.