Perforating gun charge carrier improvements
Patent
·
OSTI ID:5352853
This patent describes a perforating gun for perforating a casing located downhole in a cased borehole, the gun having a housing, shaped charges in the housing spaced from one another and connected to a detonation means, each shaped charge having a flange means on one end of a body portion, the other end of the body portion being the detonator end, the combination with the housing, charges, and detonation means of a charge carrier assembly. The charge carrier assembly comprises charge holders connected together along the longitudinal axis of the gun; each charge holder describes a polyhedron, each polyhedron being described by relatively thin wall surfaces joined together by lateral edges which extend parallel to the axial centerline of the gun and provide opposed fasteners for the shaped charge. Each charge holder has lateral faces, one of the faces is apertured to telescopingly receive a shaped charge therewithin, adjacent charge holders have means for orienting the shaped charges of alternate charge holders in different radial directions; and means for capturing a shaped charge within an aperture of a charge holder. The body portion of the shaped charge is received within the aperture of the charge holder with the flange means of the shaped charge abutting a lateral of the charge holder, and having the opposed fasteners extending towards an opposed fastener located on an alternate charge holder to capture the flange between two opposed fasteners and the lateral face of the charge holder so that the inner detonator end of the charge is positioned near the geometrical center of the charge holder.
- Assignee:
- Gea Vann, Inc., Houston, TX
- Patent Number(s):
- US 4598775
- OSTI ID:
- 5352853
- Country of Publication:
- United States
- Language:
- English
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