OILFIELD PERFORATOR DESIGNED FOR HIGH VOLUME CASING REMOVAL

A perforating tool includes a charge holder connected to a work string and a perforator fixed in a charge holder disposed along the work string. The perforator includes a cylindrical case, an explosive material, a metal cap, and a detonating cord. The case has a bulkhead at a first end, an open mout...

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Bibliographische Detailangaben
Hauptverfasser: KINSEY, James, GEERTS, Shaun, CLAY, Matthew C
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A perforating tool includes a charge holder connected to a work string and a perforator fixed in a charge holder disposed along the work string. The perforator includes a cylindrical case, an explosive material, a metal cap, and a detonating cord. The case has a bulkhead at a first end, an open mouth at a second end, and an interior volume. The first end includes a post having a slot. The explosive material is disposed in the interior volume. The metal cap covers the open mouth of the case and has a disk section defined by a separator ring. The separator ring has a structurally weakened zone that encircles the disk section. The detonating cord is received in the slot of the post.