US 12,252,964 B2
Large shaped charge perforation tool
Andrew Prisbell, Sugar Land, TX (US); Erick Lowe, Clamart (FR); Hari Prakash Kalakonda, Pune (IN); and Jay Garza, La Marque, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Appl. No. 18/252,575
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Nov. 15, 2021, PCT No. PCT/US2021/059401
§ 371(c)(1), (2) Date May 11, 2023,
PCT Pub. No. WO2022/104221, PCT Pub. Date May 19, 2022.
Claims priority of provisional application 63/198,794, filed on Nov. 13, 2020.
Prior Publication US 2024/0003229 A1, Jan. 4, 2024
Int. Cl. E21B 43/117 (2006.01); E21B 43/1185 (2006.01); E21B 43/119 (2006.01)
CPC E21B 43/117 (2013.01) [E21B 43/1185 (2013.01); E21B 43/119 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A perforation tool, comprising:
a container with a longitudinal axis;
an initiator module in the container, the initiator module having a firing circuit, an electrical contact at the longitudinal axis, and a detonator housing;
a shaped charge frame in the container, the shaped charge frame having:
a first end;
a second end opposite the first end;
a recess for accepting a shaped charge between the first end and the second end, the recess having a wide end and a narrow end, wherein the longitudinal axis is between the wide end and the narrow end;
a first electrical contact at the first end, the first electrical contact located at the longitudinal axis;
a second electrical contact at the second end, the second electrical contact located at the longitudinal axis;
an electrical conductor connecting the first and second contacts, the electrical conductor detachably disposed in a longitudinal passage at a periphery of the shaped charge frame;
a ballistic pathway coupling the detonator housing to the narrow end of the recess; and
an opening to receive a weight; and
a non-symmetric bulkhead member, the shaped charge frame being between the non-symmetric bulkhead member and the initiator module.