公开(公告)号：US11761313B2

公开(公告)日：2023-09-19

申请号：US17467544

申请日：2021-09-07

Applicant: GEODYNAMICS, INC.

Inventor： Jarrod Henry Pearson

IPC: E21B43/1185 ,  F42D1/05 ,  E21B43/117

CPC classification number: E21B43/1185 ,  F42D1/05 ,  E21B43/117

Abstract: A detonator for initiating a firing of a shaped charge in a gun is configured to include a housing having first and third conducting portions and a second insulating portion, which is sandwiched between the first and third conducting portions; an initiator located fully inside the first conducting portion or the third conducting portion; a first electrical line electrically connecting the initiator to an internal wall of the third conducting portion; and a second electrical line electrically extending from the initiator to the first conducting portion, through the entire second insulating portion.

公开(公告)号：US20230266109A1

公开(公告)日：2023-08-24

申请号：US18010723

申请日：2021-06-25

Applicant: AUSTIN STAR DETONATOR COMPANY

Inventor： Gimtong Teowee ,  John David Rathbun

IPC: F42D1/05

CPC classification number: F42D1/05

Abstract: A detonator includes a substrate, a controller mounted to the substrate, and a sensor coupled to the controller to measure a temperature, pressure, acceleration or other environmental info and/or electrical status of the internal electronics of the detonator. The controller is configured to store the measured environmental parameter and/or electrical status in a memory of the detonator, transmit the stored data from the detonator to a remote master controller, execute an action in response to a value of the measured environmental parameter, and/or prevent or modify at least one detonator function in response to the data obtained.

公开(公告)号：US11733016B2

公开(公告)日：2023-08-22

申请号：US17075781

申请日：2020-10-21

Applicant: DynaEnergetics Europe GmbH

Inventor： Christian Eitschberger ,  Thilo Scharf

IPC: E21B43/11 ,  F42D1/05 ,  E21B43/1185 ,  H05K5/06 ,  H05K5/00 ,  H05K5/02 ,  F42D1/045 ,  E21B43/117

CPC classification number: F42D1/05 ,  E21B43/1185 ,  F42D1/045 ,  H05K5/0034 ,  H05K5/0056 ,  H05K5/0065 ,  H05K5/0069 ,  H05K5/0247 ,  H05K5/069 ,  E21B43/117 ,  H05K5/064 ,  H05K5/065

Abstract: Pressure-isolating bulkhead structures with integrated selective electronic switches circuitry are provided. The pressure-isolating bulkhead structure may be a single unit having the integrated electronic switch circuitry, as well as an electrical connector that includes at least one of a wire and a pin contact. Such integrated selective electronic switch circuitry may be fashioned within a self-contained, inner pressure-isolating enclosure body. Such inner pressure-isolating enclosure body may be produced about the selective electronic switch circuitry such that the inner pressure-isolating enclosure body and switch circuitry are produced as a unit, which can be easily placed within a variety of bulkhead structures, and subsequently within a perforating gun.

公开(公告)号：US11725488B2

公开(公告)日：2023-08-15

申请号：US17666065

申请日：2022-02-07

Applicant: GEODYNAMICS, INC.

Inventor： Phillip Phelps ,  Brad Perry ,  Rick Wallace

IPC: E21B43/1185 ,  F42D1/055 ,  H01R12/71 ,  H05K1/11 ,  F42D1/05 ,  H01R13/08 ,  H01H1/18 ,  H01H1/24 ,  H01H9/02

CPC classification number: E21B43/1185 ,  F42D1/05 ,  F42D1/055 ,  H01R12/714 ,  H05K1/119 ,  H01H1/18 ,  H01H1/24 ,  H01H9/02 ,  H01R13/08 ,  H05K2201/09027 ,  H05K2201/09445 ,  H05K2201/09809

Abstract: A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator, a voltage measuring unit configured to locally measure a voltage (V) at the switch assembly after receiving the fire command to activate the detonator, a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator and after measuring the voltage (V), based on whether or not the measured voltage (V) at the switch assembly is larger than a threshold value.

公开(公告)号：US20230194230A1

公开(公告)日：2023-06-22

申请号：US17923451

申请日：2021-02-02

Applicant: DETNET SOUTH AFRICA (PTY) LTD

Inventor： Elmar Lennox Muller ,  Tielman Christiaan Meyer ,  Abraham Johannes Liebenberg

IPC: F42D5/00 ,  F42D1/05

CPC classification number: F42D5/00 ,  F42D1/05

Abstract: A safety arrangement for a wireless blasting system which includes a plurality of wireless detonator assemblies located at a blast zone wherein each route which provides access to the blast zone is monitored to detect removal of a wireless detonator assembly which is in an operative mode from the blast zone.

公开(公告)号：US20180094511A1

公开(公告)日：2018-04-05

申请号：US15831054

申请日：2017-12-04

Applicant: GEODynamics, Inc.

Inventor： John T. Hardesty

IPC: E21B43/1185 ,  F42D1/045 ,  E21B29/02 ,  E21B43/116 ,  F42D1/06

CPC classification number: E21B43/1185 ,  E21B29/02 ,  E21B43/116 ,  E21B43/117 ,  E21B43/119 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055 ,  F42D1/06

Abstract: 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.

公开(公告)号：US09791253B2

公开(公告)日：2017-10-17

申请号：US14589788

申请日：2015-01-05

Applicant: Rothenbuhler Engineering Co.

Inventor： Neal Howard Rothenbuhler ,  Richard Blocker Taft

IPC: F42D1/055 ,  F42D1/05 ,  F42C13/04 ,  F42D5/00

CPC classification number: F42D1/05 ,  F42C13/04 ,  F42D5/00

Abstract: Technical solutions are engineered for remote firing devices to include pieces of hardware to implement a history log, security fence, seismic detection, countdown timers, and sequential firing.

公开(公告)号：US09759050B2

公开(公告)日：2017-09-12

申请号：US15090988

申请日：2016-04-05

Applicant: GEODynamics, Inc.

Inventor： John T Hardesty ,  James A Rollins

IPC: E21B43/116 ,  E21B43/1185 ,  E21B29/02 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055 ,  F42D1/06 ,  E21B43/119 ,  E21B43/117

CPC classification number: E21B43/1185 ,  E21B29/02 ,  E21B43/116 ,  E21B43/117 ,  E21B43/119 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055 ,  F42D1/06

Abstract: 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.

公开(公告)号：US09689238B2

公开(公告)日：2017-06-27

申请号：US14887067

申请日：2015-10-19

Applicant: GEODynamics, Inc.

Inventor： John T Hardesty ,  James A Rollins

IPC: E21B43/1185 ,  E21B43/116 ,  E21B29/02 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055 ,  F42D1/06 ,  E21B43/119 ,  E21B43/117

CPC classification number: E21B43/1185 ,  E21B29/02 ,  E21B43/116 ,  E21B43/117 ,  E21B43/119 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055 ,  F42D1/06

Abstract: 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.

公开(公告)号：US09671206B2

公开(公告)日：2017-06-06

申请号：US14881101

申请日：2015-10-12

Applicant: DETNET SOUTH AFRICA (PTY) LTD

Inventor： Craig Charles Schlenter

IPC: F42C21/00 ,  F42C19/06 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055

CPC classification number: F42C19/06 ,  F42D1/045 ,  F42D1/05 ,  F42D1/055

Abstract: 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.