Glass Enclosure for Wellbore Electronics
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Solution Overview
Problem
Existing wellbore drilling operations face challenges in protecting sensitive electronic devices from harsh environments while maintaining efficient communication and power transfer, as conventional metallic enclosures hinder electromagnetic wave propagation and increase energy losses.
Innovation Solution
The use of glass enclosures with chemically strengthened glass portions that allow electromagnetic waves to propagate, reducing magnetic and conductive interference, and are combined with metal or glass shields to create a sealed cavity that protects against corrosive chemicals, pressure, and temperature variations, while using vacuum casting to reinforce the glass and prevent structural failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional metallic enclosures are used to protect electronics, then protection from hazardous wellbore environment is improved, but electromagnetic wave propagation is hindered and energy losses increase
Solution Approach 1:
The enclosure combines chemically strengthened glass with metallic components to create a composite structure. The glass portions provide electromagnetic transparency for efficient wave propagation, while the metal components provide mechanical strength and environmental protection. This composite approach resolves the contradiction by allowing both protection and energy efficiency.
Solution Approach 2:
The enclosure is divided into distinct glass portions and metal portions, each serving specific functions. The glass portions are positioned where electromagnetic wave propagation is needed, while metal portions provide structural support and protection. This segmentation allows the system to simultaneously achieve both protection and low energy loss.
2Reliability
If conventional metallic enclosures are used to protect electronics, then protection from hazardous wellbore environment is improved, but bandwidth and power transfer efficiency are reduced
Solution Approach 1:
The hybrid glass-metal enclosure allows electromagnetic waves to pass through glass portions with minimal interference, enabling efficient inductive coupling and power transfer. The glass material has superior electromagnetic properties compared to metal, directly improving bandwidth and power transfer efficiency while maintaining environmental protection.
Solution Approach 2:
Different portions of the enclosure have different material properties optimized for their specific functions. Glass portions are located where electromagnetic transparency is critical for power transfer, while metal portions are positioned where structural strength and environmental sealing are most needed. This local optimization resolves the contradiction between protection and efficiency.
3Productivity
If glass portions are used to allow electromagnetic wave propagation, then bandwidth and power transfer efficiency are improved, but structural strength and resistance to wellbore conditions are reduced
Solution Approach 1:
The enclosure uses chemically strengthened glass combined with metal components to create a composite structure that achieves both electromagnetic transparency and structural strength. The chemical strengthening process enhances the glass's mechanical properties, while metal reinforcement provides additional strength to withstand wellbore conditions.
Solution Approach 2:
The glass undergoes chemical strengthening that changes its physical parameters, increasing its compressive strength and resistance to thermal and chemical environments. This parameter change allows the glass to maintain structural integrity while preserving its electromagnetic transparency for efficient power transfer.
4Productivity
If glass portions are used to allow electromagnetic wave propagation, then power transfer efficiency is improved, but resistance to corrosive chemicals and pressure is reduced
Solution Approach 1:
The hybrid enclosure combines chemically strengthened glass with metal components that provide superior resistance to corrosive chemicals and high pressure. The metal portions are positioned to provide environmental protection, while the glass portions enable electromagnetic wave propagation. This composite structure resolves the contradiction between power transfer efficiency and environmental resistance.
Solution Approach 2:
The enclosure is segmented into glass portions for electromagnetic transparency and metal portions for environmental protection. This segmentation allows each material to perform its optimal function, with the metal providing a barrier against corrosive chemicals and pressure while the glass enables efficient power transfer.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances bandwidth and power transfer efficiency, extends the lifespan of electronics by slowing contaminant diffusion, and reduces energy losses, enabling longer and more efficient wellbore operations.
Implementation Method 1
glass portions that allow electromagnetic waves to propagate through the glass portions
Implementation Method 2
using vacuum casting to reinforce the glass and prevent structural failure
Implementation Method 3
extends the lifespan of electronics by slowing contaminant diffusion
Data Source
AI summary
A sealed enclosure can include a glass portion that can be positioned with respect to an electromagnetic component that is in an area defined by the sealed enclosure. The enclosure can prevent fluid from a wellbore environment from contacting the electromagnetic component and to allow the electromagnetic component to wirelessly communicate with a component external to the sealed enclosure. A second portion interfaces with the glass portion for preventing the fluid from the wellbore environment from contacting the electromagnetic component.