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公开(公告)号：US11655693B2
公开(公告)日：2023-05-23
申请号：US17401432
申请日：2021-08-13
IPC分类号： E21B43/117 , E21B43/116 , F42D1/055 , E21B43/1185
CPC分类号： E21B43/1185 , E21B43/116 , F42D1/055
摘要： A perforation gun that includes a monolithic bulkhead electrical contact that includes no resilient members but that is resiliently coupled to two perforating guns. The bulkhead electrical contact is configured to transmit a signal across a bulkhead from one gun to another gun.
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公开(公告)号：US09970742B2
公开(公告)日：2018-05-15
申请号：US14394764
申请日：2013-04-19
摘要： There is provided an electrical pulse splitter (EPS) for an explosives system (10), the explosives system comprising an electrical pulse generator (EPG), the electrical pulse splitter (EPS), and first and second explosive charges (Ch1, Ch2) having respective first and second electrical initiators (D1, D2), The electrical pulse splitter (EPS) is configured to receive a primary electrical pulse from the electrical pulse generator (EPG), and to output first and second electrical pulses to the first and second electrical initiators (Ch1, Ch2) respectively. The second electrical pulse is output a length of time after the first electrical pulse is output, and the electrical pulse splitter is powered by the primary electrical pulse.
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公开(公告)号：US20180106578A1
公开(公告)日：2018-04-19
申请号：US15562827
申请日：2016-03-30
摘要： There is provided an electronic detonator with electronic delayer, comprising: —a conductive shell comprising —an open end for receiving elements such as an explosive charge, and —a closed end, and —a printed circuit board (PCB) comprising the electronic circuit of the delayer, the printed circuit board being placed inside the conductive shell, characterized in that the electronic detonator further comprises at least a resilient, compressible and conductive gasket —positioned by the open end in a space defined by the PCB and an inner surface of the conductive shell, —filling at least part of the space between the PCB and the inner surface of the conductive shell, such that protection against electromagnetic interferences (EMI) is allowed and —contacting the ground connection of the PCB and the inner surface of the conductive shell such that acts as connection path for grounding the PCB, allowing protection against electro-static interference (ESD).
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公开(公告)号：US20180094511A1
公开(公告)日：2018-04-05
申请号：US15831054
申请日：2017-12-04
申请人： GEODynamics, Inc.
发明人： John T. Hardesty
IPC分类号： E21B43/1185 , F42D1/045 , E21B29/02 , E21B43/116 , F42D1/06
CPC分类号： E21B43/1185 , E21B29/02 , E21B43/116 , E21B43/117 , E21B43/119 , F42D1/045 , F42D1/05 , F42D1/055 , F42D1/06
摘要： A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
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85.发明申请公开(公告)号：US20180045498A1
公开(公告)日：2018-02-15
申请号：US15661518
申请日：2017-07-27
发明人： Gimtong Teowee , James D. Heckelman
摘要： Disclosed examples include firing control electronic circuits, such as electronic ignition modules (EIMs), electronic detonators and firing circuits for blasting applications, in which a Zener diode or one or more general purpose diodes is connected between a firing capacitor and charging voltage source in a circuit with a detonator ignition element to block voltage below a certain desired level so that the firing capacitor is not charged to enhance safety in the logger mode.
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公开(公告)号：US09759050B2
公开(公告)日：2017-09-12
申请号：US15090988
申请日：2016-04-05
申请人： GEODynamics, Inc.
发明人： John T Hardesty , James A Rollins
IPC分类号： E21B43/116 , E21B43/1185 , E21B29/02 , F42D1/045 , F42D1/05 , F42D1/055 , F42D1/06 , E21B43/119 , E21B43/117
CPC分类号： E21B43/1185 , E21B29/02 , E21B43/116 , E21B43/117 , E21B43/119 , F42D1/045 , F42D1/05 , F42D1/055 , F42D1/06
摘要： A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
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公开(公告)号：US09689238B2
公开(公告)日：2017-06-27
申请号：US14887067
申请日：2015-10-19
申请人： GEODynamics, Inc.
发明人： John T Hardesty , James A Rollins
IPC分类号： E21B43/1185 , E21B43/116 , E21B29/02 , F42D1/045 , F42D1/05 , F42D1/055 , F42D1/06 , E21B43/119 , E21B43/117
CPC分类号： E21B43/1185 , E21B29/02 , E21B43/116 , E21B43/117 , E21B43/119 , F42D1/045 , F42D1/05 , F42D1/055 , F42D1/06
摘要： A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
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公开(公告)号：US09671206B2
公开(公告)日：2017-06-06
申请号：US14881101
申请日：2015-10-12
摘要： A detonator which, in response to a command, uses a first modulation process to generate a first signal and, in response to an event, uses a second modulation process to generate a second signal.
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公开(公告)号：US20170030695A1
公开(公告)日：2017-02-02
申请号：US15110918
申请日：2015-04-08
摘要： A method of controlling operation of a blasting system which includes a plurality of detonators (12) which are loaded into respective boreholes (18) and a control device (20) for initiating the detonators (12). The method including the steps of measuring the position of each detonator (12), measuring the position of the control device (20), from these measurements, in respect of each detonator (12), calculating the distance between the control device (20) and the detonator (12), comparing the calculated distance to a minimum distance requirement and of allowing the control device (20) to initiate the detonators (12) only if the respective calculated distance between each detonator (12) and the control device (20) exceeds a minimum distance requirement.
摘要翻译： 一种控制爆破系统的操作的方法，该喷射系统包括装载到相应钻孔中的多个雷管（12）和用于启动雷管（12）的控制装置（20）。 该方法包括以下步骤：对每个雷管（12）测量每个雷管（12）的位置，测量控制装置（20）的位置，测量控制装置（20）的位置，计算控制装置（20） 和所述雷管（12）将所述计算出的距离与最小距离要求进行比较，并且仅当所述雷管（12）和所述控制装置（20）之间的相应计算距离相对应时才允许所述控制装置（20）启动所述雷管 ）超过最小距离要求。
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公开(公告)号：US09476685B2
公开(公告)日：2016-10-25
申请号：US14370207
申请日：2013-01-14
IPC分类号： F42D1/05 , F42D1/045 , F42D3/00 , E21B43/263 , E21B43/1185 , F42B3/10 , F42B3/113 , F42C15/42 , F23Q21/00 , F42D1/04 , F42D3/04 , E21B47/12 , C06B25/34 , F42B3/02 , F42D1/02 , F42D3/06
CPC分类号： E21B43/263 , C06B25/34 , E21B43/1185 , E21B47/123 , F23Q21/00 , F42B3/02 , F42B3/10 , F42B3/113 , F42B3/182 , F42B3/24 , F42C15/42 , F42D1/02 , F42D1/042 , F42D1/045 , F42D1/05 , F42D1/055 , F42D3/00 , F42D3/04 , F42D3/06 , F42D5/00 , Y10T29/49826
摘要： Detonation control modules and detonation control circuits are provided herein. A trigger input signal can cause a detonation control module to trigger a detonator. A detonation control module can include a timing circuit, a light-producing diode such as a laser diode, an optically triggered diode, and a high-voltage capacitor. The trigger input signal can activate the timing circuit. The timing circuit can control activation of the light-producing diode. Activation of the light-producing diode illuminates and activates the optically triggered diode. The optically triggered diode can be coupled between the high-voltage capacitor and the detonator. Activation of the optically triggered diode causes a power pulse to be released from the high-voltage capacitor that triggers the detonator.
摘要翻译： 本文提供了爆震控制模块和爆震控制电路。 触发输入信号可引起爆震控制模块触发雷管。 爆震控制模块可以包括定时电路，诸如激光二极管的发光二极管，光触发二极管和高压电容器。 触发输入信号可以激活定时电路。 定时电路可以控制发光二极管的激活。 发光二极管的激活照亮并激活光学触发的二极管。 光触发二极管可以耦合在高电压电容器和雷管之间。 光触发二极管的激活导致从触发雷管的高电压电容器释放功率脉冲。
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