Quantum Sensor Networks for Low-Power, Noise-Resistant Wellbore Telemetry
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Solution Overview
Problem
Existing wellbore sensor deployment and communication technologies face challenges due to noise interference, complexity, high cost, and logistical issues, which affect signal-to-noise ratio (SNR) and increase operational complexity and expense.
Innovation Solution
Deployment of a quantum sensor network utilizing entangled photons and low-power quantum devices that operate wirelessly, allowing direct insertion into rock formations for real-time data capture and communication, eliminating the need for complex power and telemetry lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional sensors are deployed in wellbore environments, then they can monitor subsurface conditions, but noise interference reduces signal-to-noise ratio and measurement precision
Solution Approach 1:
The patent replaces traditional electronic sensors with quantum sensors that utilize quantum entanglement and quantum illumination principles. This substitution enables the system to achieve superior signal-to-noise ratios by exploiting quantum correlations between entangled photon pairs, where the signal photons are correlated with idler photons retained at the surface. The quantum sensors can distinguish signal photons from noise photons through quantum state comparison, effectively filtering out mechanical and environmental noise in the wellbore environment.
Solution Approach 2:
The patent changes the fundamental operating parameters of the sensing system by transitioning from classical electromagnetic sensing to quantum optical sensing. By using entangled photon pairs with specific quantum correlations and exploiting quantum interference effects, the system achieves measurement precision that transcends classical limits. The quantum sensors operate at optical frequencies and utilize quantum state parameters rather than classical electrical signals, fundamentally altering how measurements are performed in noisy wellbore environments.
2Device complexity
If quantum sensor networks are deployed wirelessly, then complexity and cost are reduced, but power requirements must be managed at low levels
Solution Approach 1:
The patent extracts the power-intensive components from the downhole environment and relocates them to the surface. The quantum sensor nodes deployed in the wellbore are designed to operate passively or with minimal power consumption, while the complex signal processing, photon detection, and data analysis functions are performed at the surface facility. This extraction allows simple, low-power quantum sensors to be deployed wirelessly throughout the wellbore without requiring extensive power infrastructure downhole.
Solution Approach 2:
The quantum sensor network employs periodic measurement cycles where entangled photon pairs are generated, transmitted through the wellbore environment, and detected in alternating sequences. The downhole sensors can operate in a duty-cycled manner, activating only during measurement windows while remaining in low-power states between measurements. This periodic operation pattern reduces average power consumption while maintaining effective monitoring capabilities throughout the wellbore.
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 provides a cost-effective, adaptable, and less intrusive solution for monitoring subsurface conditions, enhancing SNR and enabling real-time data collection and secure communication in harsh wellbore environments.
Implementation Method 1
a quantum source configured to generate quantumly entangled particles while disposed within the wellbore
Implementation Method 2
identifying properties of the environment based on a comparison of the detected reflections of the electromagnetic radiation associated with the quantumly entangled particles to corresponding idler signals of the quantumly entangled particles
Data Source
AI summary
Aspects of the subject technology relate to systems, methods, and computer-readable media for outfitting wells to include quantum devices and to use quantum devices that are deployed in a wellbore. Apparatus of the present disclosure may be deployed in existing wellbores or may be built into new wellbores. This may help reduce complexity, risk, and cost of installation while increasing reliability as compared to other sensing solutions. As such new forms of quantum sensing technologies may provide a more adaptable and cost-effective solution for deploying sensors in a wellbore or for communicating with equipment located inside of a well.