Patents Assigned to DynaEnergetics Europe GmbH
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Patent number: 12253339Abstract: An adapter for a shaped charge includes a plurality of members configured to be secured to an inner surface of a shaped charge case. Each member of the plurality of members is spaced apart from each other such that the adapter has a central open area. According to an aspect, a securing mechanism is configured to secure the member to an inner surface feature of the shaped charge case.Type: GrantFiled: October 24, 2022Date of Patent: March 18, 2025Assignee: DynaEnergetics Europe GmbHInventor: Joern Olaf Loehken
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Patent number: 12241326Abstract: A single use setting tool for actuating a tool in a wellbore may include an outer sleeve and an inner piston received within a central bore of the outer sleeve. The inner piston may define one or more elongate bores therethrough that are in fluid communication with a cavity of the inner piston and extend axially through a distal end portion of the inner piston. The distal end portion of the inner piston may abut a shoulder of the outer sleeve, for example at a distal end face of the inner piston.Type: GrantFiled: February 9, 2023Date of Patent: March 4, 2025Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Thilo Scharf
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Patent number: 12235086Abstract: A focused output detonator includes a detonator shell including detonator components, and a focuser coupled to the detonator shell. The detonator shell may include a body extending along a central axis of the detonator shell. A first open end is provided at a first end of the body, and a closed end is provided at a second end of the body. A chamber is bounded by the body and the closed end, and the detonator components are housed in the chamber. The focuser is coupled to the closed end of the detonator shell. According to an aspect, the focused output detonator is structured to focus a ballistic output of the focuser along the central axis and away from the detonator shell. According to an aspect, the focuser includes a donor charge. The focuser may include an encapsulated and hydraulically sealed donor charge.Type: GrantFiled: September 15, 2020Date of Patent: February 25, 2025Assignee: DynaEnergetics Europe GmbHInventors: Thilo Scharf, Christian Eitschberger, Andreas Robert Zemla, Liam McNelis, Gernot Uwe Burmeister
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Publication number: 20250059860Abstract: A ballistically-safe wellbore tool may include an explosive device, an initiator including an initiating charge, and a bias member. A relative configuration of the explosive device and the initiator may be switchable between a first configuration, in which the initiating charge is at a ballistically safe distance from the explosive device, and a second configuration, in which the initiating charge is within a ballistically operable distance from the explosive device. The bias member is configured to bias the explosive device and the initiator to the first configuration.Type: ApplicationFiled: November 6, 2024Publication date: February 20, 2025Applicant: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Thilo Scharf
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Patent number: 12221275Abstract: Disclosed embodiments relate to devices and methods for storage and/or transport of tubular structures, such as perforating guns for use in wellbores. Some embodiments relate to modular storage containers, for example which may be height adjustable depending on the length of the tubular structure to be held therein. Some embodiments relate to mobile storage banks, which may be configured for use with the modular storage containers. In some embodiments, the storage bank may further be configured with one or more longitudinal compartments configured to hold used tool strings or portions thereof.Type: GrantFiled: October 25, 2022Date of Patent: February 11, 2025Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Liam McNelis, Thilo Scharf, Gernot Uwe Burmeister, Dimitri Riesen
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Publication number: 20250043665Abstract: A system for use within a gun housing of a perforating gun may include a centralizer and a detonator holder. The centralizer may include a centralizer body and a centralizer bore extending through the centralizer body. The detonator holder may be disposed within the centralizer bore and may include a first detonator holder end configured to receive a detonator and a second detonator holder end comprising a detonator holder coupling. The detonator holder may extend through the centralizer and may be mechanically coupled to the centralizer. The centralizer may be configured to engage with an inner surface of the gun housing.Type: ApplicationFiled: February 28, 2022Publication date: February 6, 2025Applicant: DynaEnergetics Europe GmbHInventor: Christian Eitschberger
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Patent number: 12215576Abstract: A perforation gun assembly may include a single shaped charge holder, the shaped charge holder having a charge receiving structure and at least one projection extending from the charge receiving structure. A detonation cord and a detonator may be connected to the shaped charge holder. A top connector may be configured for connecting to a first base of the shaped charge holder and a bottom connector may be configured for connecting to a second based of the shaped charge holder. The perforation gun assembly may be positioned within an outer gun carrier of a perforation gun, and a tandem seal adapter may be positioned at least in part within the outer gun carrier.Type: GrantFiled: April 6, 2021Date of Patent: February 4, 2025Assignee: DynaEnergetics Europe GmbHInventors: Frank Haron Preiss, Liam McNelis, Eric Mulhern, Thilo Scharf, David C. Parks, Christian Eitschberger
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Patent number: 12203350Abstract: A detonator positioning device for use with a detonator in a perforating gun assembly is described. The detonator positioning device may be configured for electrically contactably forming an electrical connection within the perforating gun housing by contact. The detonator positioning device may include a body having a first end, a second end, and a central bore extending between the first and second ends. The central bore may be adapted for receiving one or more electrically contactable components of a detonator. The detonator positioning device can align at least one of the one or more electrically contactable components to form an electrical connection with a bulkhead assembly.Type: GrantFiled: May 6, 2022Date of Patent: January 21, 2025Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Gernot Uwe Burmeister, Thomas Keller Bradfield, Frank Haron Preiss, Thilo Scharf, Liam McNelis
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Publication number: 20240418047Abstract: A ballistically actuated plug (2100) for being deployed in a wellbore casing includes a ballistic housing (2106) and an outer seal housing (2102). The ballistic housing includes a first housing portion including a chamber (2208), and a second housing portion having a noncompressible core. The outer seal housing is circumferentially disposed around the noncompressible core (2216). According to an aspect, the initiator (2206) is positioned within the chamber and a detonation extender (2222) is in ballistic communication with the initiator and is circumferentially disposed around the noncompressible core. The detonation extender is configured to, upon detonation, expand the outer seal housing (2102) from an unexpanded form to an expanded form to secure the outer seal housing within the wellbore casing.Type: ApplicationFiled: October 10, 2022Publication date: December 19, 2024Applicant: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Thilo Scharf, Gernot Uwe Burmeister
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Patent number: 12163406Abstract: A ballistically-safe wellbore tool may include an explosive device (114, 404), an initiator including an initiating charge (128), and a bias member (130). A relative configuration of the explosive device and the initiator may be switchable between a first configuration, in which the initiating charge is at a ballistically safe distance from the explosive device, and a second configuration, in which the initiating charge is within a ballistically operable distance from the explosive device. The bias member is configured to bias the explosive device and the initiator to the first configuration.Type: GrantFiled: April 22, 2022Date of Patent: December 10, 2024Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Thilo Scharf
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Publication number: 20240392662Abstract: A charge holder for use with a shaped charge may include a charge receiving structure configured to receive the shaped charge, a plurality of projections extending from the charge receiving structure and configured to retain the shaped charge within the charge receiving structure, and a rotation coupling configured to couple to an adjacent charge holder.Type: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Applicant: DynaEnergetics Europe GmbHInventors: Frank Haron Preiss, Thilo Scharf, Liam McNelis, Eric Mulhern, David C. Parks, Christian Eitschberger
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Publication number: 20240376807Abstract: Various exemplary embodiments of an encapsulated shaped charge (100) may include a charge case (110), a charge lid (120) covering an open end of the charge case. and an external clip assembly connected to each of the charge case and the charge lid. The charge case may house explosive material (111) and a shaped charge liner (112). The external clip assembly may include one or more clips (140) respectively connected to each of a retainer ring (130) positioned on the charge lid, and the charge case. The retainer ring may be formed from a material that will melt or burn when exposed to fire. According to the exemplary embodiments. melting or burning the retainer ring can release the one or more clips from the retainer ring and/or charge lid.Type: ApplicationFiled: May 21, 2021Publication date: November 14, 2024Applicant: DynaEnergetics Europe GmbHInventors: Stefan Purcelean, Joern Olaf Loehken, Benjamin Donauer, Joerg Mueller
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Publication number: 20240361112Abstract: A detonator includes a detonator shell having an open end, a closed end, and a hollow interior between the open and closed ends. A pyrotechnical material is disposed within the hollow interior, and a main explosive load is disposed within the hollow interior between the pyrotechnical material and the closed end. At least one of the pyrotechnical material or the main explosive load may be multilayered.Type: ApplicationFiled: July 20, 2023Publication date: October 31, 2024Applicant: DynaEnergetics Europe GmbHInventors: Liam McNelis, Joerg Bergmann
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Publication number: 20240344416Abstract: A self-erecting launcher assembly includes a mobile unit, and a magazine positioned in a receptacle of the mobile unit. The magazine includes a plurality of drones. A rail unit is secured to the mobile unit and moves between a closed position and an elevated position. A platform may be secured to the rail unit and is movable in an upward direction and a downward direction along a length of the rail unit. The platform is movable when the rail unit is in its elevated position. The magazine or the plurality of drones may be positioned on the platform, such that the platform moves the magazine or the plurality of drones from the mobile unit to at least one wellhead. A manipulator arm is secured to the platform and selects a drone of the plurality of drones and delivers the selected drone into a lubricator positioned at the wellhead.Type: ApplicationFiled: June 25, 2024Publication date: October 17, 2024Applicant: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Liam McNelis, Thilo Scharf
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Patent number: 12116871Abstract: A perforating gun assembly includes an exposed perforating gun module. The exposed perforating gun module includes a housing having a first connector end, a second connector end opposite and spaced apart from the first connector end, and a chamber extending along a central axis of the housing between the first and second connector ends. The chamber is configured for receiving a detonator and optionally, a radial booster charge coupled to the detonator. A plurality of sockets extends from an outer surface of the housing towards the chamber. Each socket is configured to receive an encapsulated shaped charge. The encapsulated shaped charges may include a protrusion having an external thread that threadingly engage a complimentary threaded portion of the sockets. The detonator may directly initiate the radial booster charge or the encapsulated shaped charges.Type: GrantFiled: March 24, 2020Date of Patent: October 15, 2024Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Arash Shahinpour, Gernot Uwe Burmeister, Thilo Scharf
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Patent number: 12117280Abstract: An electronic ignition circuit may include a logic circuit and an ignition circuit electrically coupled to the logic circuit. The logic circuit may include a microcontroller and a switching circuit configured to switch from a first detonator or igniter to a second detonator or igniter in response to a signal from the microcontroller. The ignition circuit may include a capacitor discharging circuit configured to discharge a firing capacitor through a fuse head. The capacitor discharging circuit may include an ignition switch configured to remain actively closed after the firing capacitor is discharged through the fuse head.Type: GrantFiled: May 25, 2023Date of Patent: October 15, 2024Assignee: DynaEnergetics Europe GmbHInventors: Andreas Robert Zemla, Sascha Thieltges, Frank Graziola
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Patent number: 12110751Abstract: A ballistically actuated plug may include an outer carrier having a first end and a second end, a hollow interior chamber within the outer carrier, a ballistic carrier positioned within the hollow interior chamber, an initiator positioned within a bore of the ballistic carrier, and one or more ballistic components. Each of the components may be positioned within a ballistic slot on an outer surface of the ballistic carrier. The initiator and the ballistic component may be relatively positioned for the initiator to initiate the one or more ballistic components. The ballistic component may include an explosive charge for expanding the outer carrier. The ballistic carrier may be formed from a fragmenting or disintegrating material.Type: GrantFiled: October 31, 2023Date of Patent: October 8, 2024Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Thilo Scharf, Gernot Uwe Burmeister
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Patent number: 12091920Abstract: Disclosed embodiments relate to weight modules for use in a wellbore tool string. In some embodiments, the weight module may comprise a conductive body, extending in an axial direction, and an insulating cover. The conductive body may be configured to fit within a hollow interior of a weight module housing, and the insulating cover may be configured to electrically isolate the conductive body from the weight module housing. In some embodiments, the conductive body may have a first contact portion, provided at a first end of the conductive body, and a second contact portion, provided at a second end of the conductive body, with the first contact portion in electrical communication with the second contact portion through the conductive body.Type: GrantFiled: April 18, 2023Date of Patent: September 17, 2024Assignee: DynaEnergetics Europe GmbHInventors: Christian Eitschberger, Thilo Scharf
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Patent number: 12091919Abstract: A bulkhead may include a fixed body having a first contact surface and an exterior fixed body surface, a first electrical contact, and a first spring having a first spring end in contact with the first contact surface and a second spring end in contact with the first electrical contact.Type: GrantFiled: June 16, 2023Date of Patent: September 17, 2024Assignee: DynaEnergetics Europe GmbHInventor: Christian Eitschberger
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Patent number: RE50204Abstract: According to an aspect, a perforating gun assembly and a detonator assembly are provided. The detonator assembly includes at least a shell, and more than one electrically contactable component that is configured for being electrically contactably received by the perforating gun assembly without using a wired electrical connection, but rather forms the electrical connection merely by contact with at least one of the more than one electrically contactable components. According to an aspect, the detonator assembly includes a selective detonator assembly. A method of assembling the perforating gun assembly including the detonator assembly is also provided.Type: GrantFiled: February 27, 2019Date of Patent: November 12, 2024Assignee: DynaEnergetics Europe GmbHInventors: Frank Haron Preiss, Thilo Scharf, Liam McNelis