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US 2021/0310340 A1Published application
Pressure Activated Selective Perforating Switch Support
AssigneeHunting Titan, Inc.
InventorJoel Sansing
Life of this patent
Estimating the term…
Abstract
A method, system, and apparatus for restraining a firing pin using a bushing for use in a downhole switch that is armed using the explosive energy of a previously detonated shaped charge.
Claims3
A method for detonating a shaped charge comprising:
- assembling at least one perforating gun to at least one tandem sub;
- installing at least one perforating shaped charge in the at least one perforating gun;
- installing at least at least one detonator in the at least one tandem sub;
- installing a detonating cord between the detonator and the at least one shaped charge;
- installing a switch in the tandem sub;
- assembling an arming switch for a downhole perforating gun with a firing piston having a distal end protruding from the switch;
- machining a groove on a distal end of the piston;
- engaging a support busing on the distal end of the piston, wherein the support bushing is located between the switch housing and the machined groove;
- and
- installing a retaining device on the machined groove, wherein the retaining device engages with the support bushing.
7 more elements
Dependencies are inferred from the claim text.