초록 ▼

A shaped charge assembly includes at least one shaped charge having an outer case. The case has a forward end and a rearward end, and has a flange defined thereon. A retaining clip is operably associated with the flange and spans the rearward end of the case for retaining a detonating cord. In an al

A shaped charge assembly includes at least one shaped charge having an outer case. The case has a forward end and a rearward end, and has a flange defined thereon. A retaining clip is operably associated with the flange and spans the rearward end of the case for retaining a detonating cord. In an alternative embodiment, the retaining clip also serves to hold the shaped charge in place within a shaped charge carrier.

대표청구항 ▼

A shaped charge assembly for use in a perforating gun, comprising: at least one shaped charge including an outer case, said case having a rearward end and having an annular forward facing surface defined on said case near said rearward end, thereby defining an annular flange between said rearward en

A shaped charge assembly for use in a perforating gun, comprising: at least one shaped charge including an outer case, said case having a rearward end and having an annular forward facing surface defined on said case near said rearward end, thereby defining an annular flange between said rearward end and said annular forward facing surface; retaining means, attachable to said annular flange, said retaining means being integrally constructed from a thin sheet of material and having a U-shaped middle portion open toward said case for holding a detonating cord and having first and second end portions extending from said middle portion, said first and second end portions having first and second hook means, respectively, for fitting over an annular edge of said flange; wherein said U-shaped middle portion of said retaining means is resiliently flexible so that said first and second hook means may be spread apart, and said retaining means has a normal unflexed position in which a distance between said first and second hook means is less than an outside diameter of said flange; and wherein said U-shaped middle portion has a reduced width parallel to a rough thereof, less than a parallel width of each of said first and second hook means, said reduced width determining a flexibility of said U-shaped middle portion.