Inductive Coupler Bypass Channels for Well Casing Signal Transmission
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Solution Overview
Problem
Existing well equipment systems face challenges with inductive couplers obstructing fluid and control line passage, as they are not designed to facilitate efficient signal transmission and fluid flow simultaneously.
Innovation Solution
A wireless coupler system using a male and female inductive coupler configuration with bypass channels, allowing for alignment and decoupling to enable signal transmission across the well casing while allowing substantial fluid flow and communication line routing, utilizing induction principles for power and data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If inductive couplers are installed to transmit power and data signals, then signal transmission capability is improved, but obstruction to fluid and control line passage increases
Solution Approach 1:
The male inductive coupler is positioned inside the female inductive coupler, with the male coupler mounted on tubing that passes through the female coupler. This nested configuration allows both couplers to be integrated at the same location without requiring separate installation spaces, thereby transmitting signals while minimizing obstruction to fluid flow and control line passage.
Solution Approach 2:
The tubing acts as an intermediary element that carries both the male inductive coupler and control lines through the female coupler. This intermediary structure enables the inductive coupler system to transmit power and data signals while allowing control lines and fluids to pass through the same location without direct interference.
2Loss of information
If inductive couplers are used for power and data transfer, then communication capability is improved, but device complexity increases
Solution Approach 1:
The male and female inductive couplers are merged into a single integrated system where the male coupler is positioned within the female coupler. This combining of components into a unified structure reduces the number of separate installations and simplifies the overall system architecture while maintaining full communication capability.
Solution Approach 2:
The inductive coupler system is designed to perform multiple functions simultaneously: power transmission, data communication, and allowing passage of control lines and fluids. This multi-functionality is achieved through the nested configuration where the male coupler on the tubing serves all purposes without requiring separate dedicated components for each function.
3Ease of operation
If alignment mechanisms are added to facilitate coupler alignment, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The male and female inductive couplers are designed with corresponding geometric features and positioning structures that naturally guide them into proper alignment when the tubing is inserted through the female coupler. This equipotential design creates a self-aligning system where the coupling positions are inherently equivalent and compatible, eliminating the need for complex active alignment mechanisms.
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
The system optimizes signal transmission and fluid flow by aligning the male and female inductive couplers while maintaining tubing integrity, enabling efficient communication and power transfer without compromising fluid passage or tubing structure.
Implementation Method 1
the inductive couplers can detrimentally provide an obstruction with respect to passage of control lines and/or fluids
Data Source
AI summary
A technique combines a wireless coupler system with casing to communicate signals from and/or to a device external to the casing. The wireless coupler system may comprise an inductive coupler system formed with a female inductive coupler disposed along an exterior of the well casing and a male inductive coupler mounted along tubing disposed within the well casing. The female inductive coupler is operatively coupled with the sensor and the male inductive coupler is operatively coupled with a communication line routed along the tubing. The inductive coupler system is constructed to facilitate alignment of the male inductive coupler with the female inductive coupler as the tubing is moved along an interior of the well casing. Additionally, the inductive coupler system may be constructed with a bypass channel to facilitate the flow of fluid and routing of communication lines through the inductive coupler system.