Patent ID: 11913766
Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC F  E | IPC E  F

Claim 18:
19. A method of making a charge canister for a perforation tool, the method comprising:
applying a randomized surface preparation to an interior surface of an expansion portion of a cylindrical body, wherein the randomized surface preparation comprises texturing the interior surface to provide a randomized textured interior surface prior to disposing an explosive material into the expansion portion;
disposing the explosive material into the expansion portion of the cylindrical body, the cylindrical body having the expansion portion extending along a radius of the cylindrical body, the expansion portion having a narrow portion at a first end of the expansion portion and a wide portion at a second end of the expansion portion opposite from the first end, the explosive material in direct contact with the randomized textured interior surface of the expansion portion;
disposing a liner against the explosive material within the expansion portion; and
pressing the liner against the explosive material to set the explosive material and the liner into the expansion portion.