Borehole resident electronic device

EP4352448A4Inactive Publication Date: 2025-04-30ORICA INTERNATIONAL PTE LTD
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Patent Information

Application Number
EP2022820676
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2021-06-11
Filing Date
2022-06-09
Publication Date
2025-04-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a borehole resident electronic device for use in a blasting operation, the device comprising a container in which is located one or more electronic components, the container having a wall structure comprising a fibre-reinforced composite thermoset resin layer positioned to shield the one or more electronic components from an explosive shockwave generated during the blasting operation and remote from the device, wherein the fibre is in a form selected from unidirectional fibre, woven fibre, wound fibre, nonwoven fibre, and combinations thereof.
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Citation Information

Patent Citations

  • Novel electronic detonator exploder host

    CN104315926A

  • A well comprising apparatus for sensing temperature along a wellbore using semiconductor elements

    EP3533968A1

  • Remote radio detonator and receiving detonator used therefor

    JP3569990B2

  • Downhole perforating gun switch

    US20120255842A1

  • Composite shell for protecting an antenna of a formation evaluation tool

    US5212495A