US 12,312,889 B2
Tool for manipulating a target with combustion products
James George Oag, Aberdeenshire (GB); and Rae Andrew Younger, Aberdeenshire (GB)
Assigned to SPEX CORPORATE HOLDINGS LIMITED, Aberdeen (GB)
Filed by SPEX CORPORATE HOLDINGS LIMITED, Aberdeenshire (GB)
Filed on Apr. 4, 2023, as Appl. No. 18/295,747.
Application 18/295,747 is a continuation of application No. 17/268,982, granted, now 11,649,688, previously published as PCT/GB2019/052309, filed on Aug. 16, 2019.
Claims priority of application No. 1813446 (GB), filed on Aug. 17, 2018.
Prior Publication US 2023/0243222 A1, Aug. 3, 2023
Int. Cl. E21B 29/02 (2006.01)
CPC E21B 29/02 (2013.01) 15 Claims
OG exemplary drawing
 
1. A tool for manipulating a target with combustion products from a propellant, the tool comprising:
a housing defining a chamber;
a propellant source located within the chamber;
an ignition mechanism for igniting propellant at the propellant source; and
at least one circumferential chamber outlet for combustion products from the propellant source, wherein nozzle components are fitted to the at least one circumferential chamber outlet, wherein the nozzle components extend the circumferential chamber outlet towards the target to be manipulated;
wherein the at least one circumferential chamber outlet is closed by a sacrificial wall portion of the chamber housing, the sacrificial wall portion being removable by the action of combustion products following ignition of propellant at the propellant source; and, wherein the tool is configured to automatically open the circumferential chamber outlet from a closed condition, following ignition of the propellant at the propellant source; wherein the nozzle components are operable to direct combustion products at the target, thereby manipulating the target.