Patent ID: 6062310
Filing Date: 2000-05-16
Classification: E21B

Abstract:
A tubing conveyed perforating apparatus used in perforating a surrounding well bore, the apparatus comprising:a tubular assembly made up of at least one tubular section, the tubular section having a generally cylindrical exterior and an interior bore defined about a central vertical axis, the tubular assembly having an upper connecting end for connection in a tubing string extending to the well surface and a lower end;a plurality of explosive charges located within the interior bore of the tubular section;a support means for supporting the plurality of explosive charges within the interior bore of the tubular section;a detonator arrangement which is concentric about the central vertical axis of the interior bore of the tubular assembly, the detonator arrangement defining a hollow opening which communicates with the interior bore of the tubular assembly above and below the detonator arrangement;wherein the support means and plurality of explosive charges are comprised of materials which substantially disintegrate upon detonation of the explosive charges, whereby the interior bore of the tubular assembly is fully open after detonation.