Patent ID: 7647978
Filing Date: 2010-01-19
Classification: E21B

Abstract:
1. A shaped charge carrier joint comprising the assembly combination of an inner loading tube disposed within an external housing, said inner loading tube providing a direct seating structure for shaped charge units and for operatively positioning shaped charge ignition means at opposite distal ends of said inner loading tube, said external housing having a first circumferential detent channel proximate opposite distal ends of said external housing, a sleeve circumscribing an external perimeter of a housing distal end, fluid sealing means between an inside surface of said sleeve and an outside surface of said housing distal end, a second circumferential detent channel circumscribing the inside perimeter of said sleeve at opposite distal ends of said sleeve, a snap ring having an annulus that radially bridges said first and second detent channels to secure a union between said sleeve and housing end and means for substantially displacing said snap ring annulus from one of said detent channels to release said sleeve from said housing distal end.