Patent application number | Description | Published |
20090050323 | Method for Retaining Debris in a Perforating Apparatus - A perforating apparatus ( | 02-26-2009 |
20110174486 | Wellbore Perforation Tool - A wellbore perforation tool is provided. The tool comprises an explosive charge, a tool body containing the explosive charge, and a flowable material carried with the tool. The flowable material is released by detonation of the explosive charge and, after perforation of the tool body by the explosive charge to form an aperture in the tool body, flows to form at least a partial barrier of the aperture. | 07-21-2011 |
20120027883 | High Density Powdered Material Liner - A die set for forming explosive charge liners from powdered material is provided. The die set comprises a die block defining a basin and a punch shaped to interact with the basin. The die block and the punch are configured to exclude powdered material from a center axis of the basin. | 02-02-2012 |
20130019770 | DEVICE FOR PERFORATING A MATERIAL COMPRISING A TAIL-LOCKING CHARGE CASE - According to an embodiment, a charge holder assembly comprising: a charge holder, wherein the charge holder is a hollow cylinder, and wherein the charge holder comprises: (a) at least one hole disposed through a wall of the charge holder; and (b) at least one slot disposed through the wall of the charge holder, wherein the at least one slot is located diametrically opposite from the at least one hole; and a charge comprising a charge case, wherein the charge case comprises: (a) a tail end portion, wherein the tail end portion comprises: (i) a cord retaining groove; and (ii) two legs, wherein each of the two legs comprises at least one slot engaging groove, wherein the slot engaging grooves are at an angle offset from the cord retaining groove. According to another embodiment, a method of perforating a material using a charge comprising: positioning a perforation gun adjacent to the material to be perforated, wherein the perforation gun comprises: the charge holder assembly; and causing the charge of the charge holder assembly to detonate. | 01-24-2013 |
20130098617 | Wellbore Perforation Tool - A perforation tool comprises an explosive charge comprising an explosive focal axis, a tool body containing the explosive charge, and a flowable material carried with the tool and disposed along the explosive focal axis. The flowable material is configured to be released by detonation of the explosive charge and flow to create at least a partial barrier to flow through the aperture in response to the perforation of the tool body by the explosive charge to form an aperture in the tool body. | 04-25-2013 |
20130224061 | High Density Powdered Material Liner - A method of making an explosive charge liner comprises introducing powdered material into a basin defined by a die block, where a punch is shaped to interact with the basin, excluding the powdered material from a central portion of the basin, pressing the punch into the powdered material in the basin to form the explosive charge liner, and removing the explosive charge liner from the die block. The explosive charge liner comprises an aperture in an apex area of the explosive charge liner corresponding to the central portion when removed from the die block. | 08-29-2013 |
20140131097 | Pressure Limiting Device for Well Perforation Gun String - A perforation gun. The perforation gun comprises a tool body, the tool body defining at least one shouldered hole wherein the shouldered hole comprises a hole through a wall of the tool body and a shoulder that is thinner than the wall of the tool body and at least one perforating explosive charge disposed within the tool body. | 05-15-2014 |
20140144341 | High Density Powdered Material Liner - A die set for forming explosive charge liners from powdered material comprises a die block defining a basin and a punch shaped to interact with the basin. The die block and the punch are configured to exclude powdered material from a center axis of the basin. An apparatus comprises a deep-penetrating explosive charge liner formed of powdered material held together by green strength having a hole in a narrow end of the liner. | 05-29-2014 |
20140144702 | Perforating Gun Debris Retention Assembly and Method of Use - A perforating gun system comprises at least one charge disposed within a gun body, and a first sleeve disposed within the gun body about the at least one charge. The first sleeve comprises a first expansion section, and the first sleeve is configured to undergo non-uniform expansion in response to the detonation of the at least one charge. | 05-29-2014 |