Acoustic Telemetry via Solid Pieces Using Multiple Transmitters
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Solution Overview
Problem
Existing communication technologies in networks of solid pieces, such as drill strings and pipelines, face limitations in data transmission speed and reliability, especially during emergencies due to signal attenuation and the inability to transmit multiple data streams simultaneously.
Innovation Solution
A method and system that utilize multiple transmitters to simultaneously transmit divided information sets, increasing the transmission rate and reducing errors through acoustic communication and telemetry, employing piezoelectric or piezoceramic disk segments and various mounting configurations to enhance signal propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single transmitter is used for acoustic communication in drill strings, then device complexity is reduced, but transmission rate and productivity are limited
Solution Approach 1:
The information to be transmitted is divided into multiple separate data streams, with each stream assigned to a different transmitter. This segmentation allows parallel transmission of multiple data streams through the drill string, significantly increasing the overall transmission rate while maintaining manageable complexity for each individual transmitter channel.
2Reliability
If acoustic waves are transmitted through solid pieces, then communication can occur in emergency scenarios where traditional methods fail, but signal attenuation and reflections reduce reliability
Solution Approach 1:
The system incorporates feedback mechanisms where received signals are analyzed and used to adjust transmission parameters. This feedback loop helps compensate for signal attenuation and reflections by optimizing the acoustic signals being transmitted through the solid pieces, thereby improving communication reliability in emergency scenarios.
Solution Approach 2:
The system dynamically changes transmission parameters such as frequency, amplitude, and timing of acoustic signals to optimize performance through the solid medium. By adjusting these parameters based on channel conditions, the system overcomes signal attenuation and reflection issues while maintaining reliable communication.
3Productivity
If multiple transmitters are used to increase transmission rate, then productivity improves, but signal interference and complexity increase
Solution Approach 1:
The multiple transmitters operate in periodic time slots rather than continuously simultaneously. Each transmitter is activated in alternating time periods, allowing information to be divided and transmitted in sequence. This periodic operation maintains high overall transmission rates while preventing signal interference between multiple transmitters.
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 approach doubles or triples the transmission rate, improves signal-to-noise ratios, and reduces bit error rates, ensuring reliable high-speed communication in networks of solid pieces, including emergency scenarios where traditional methods may fail.
Implementation Method 1
employing piezoelectric or piezoceramic disk segments
Implementation Method 2
Acoustic communication and telemetry transmit acoustic waves through the solid pieces
Data Source
AI summary
A method and a system are disclosed for high speed acoustic transmission of data in networks and sequences of solid pieces using various propagation modes. The data is converted to several sets, and then the sets are transmitted via propagation modes such as extensional or flexural or torsional or their combinations, using multiple transmitters. This allows to increase transmission rate or reduce transmission error or both for data communication.