Acoustic Detection System for Downhole Valve Position Monitoring
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Solution Overview
Problem
Existing technologies for determining valve position in downhole environments are complex and difficult to use, making it challenging to ensure proper performance in downhole testing and fluid flow applications.
Innovation Solution
A system and methodology utilizing an acoustic system to detect unique acoustic signatures associated with tool actuation between operational positions, which transmits data to a surface location to indicate the occurrence of specific events, such as valve transitions, using sensors and electronic circuitry to process and relay this information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing technologies for determining valve position are used, then valve position can be determined, but the system becomes complex and difficult to use
Solution Approach 1:
The patent replaces complex mechanical or electronic position sensing systems with an acoustic detection system. The acoustic system uses sound waves and acoustic signatures to detect valve position, substituting complex mechanical linkages, sensors, and processing systems with a simpler acoustic field-based approach that is easier to implement and use in downhole environments.
Solution Approach 2:
The patent introduces acoustic waves as an intermediary medium to detect valve position. Instead of directly measuring position through complex mechanical or electronic sensors, the system uses acoustic waves that interact with the valve mechanism to produce detectable acoustic signatures, simplifying the overall detection system while maintaining measurement capability.
2Loss of information
If existing valve position detection technologies are used, then position information can be obtained, but the system becomes difficult to use in downhole environments
Solution Approach 1:
The patent replaces complex electronic and mechanical sensing systems with an acoustic detection system that is inherently more suitable for downhole environments. The acoustic system uses sound waves that can propagate through the wellbore and interact with the valve mechanism, providing position information without requiring complex power sources, electronics, or mechanical linkages that are difficult to operate in downhole conditions.
Solution Approach 2:
The acoustic detection system is designed to operate autonomously in downhole environments without requiring external intervention or complex operational procedures. The system automatically detects acoustic signatures generated by the valve mechanism and transmits position information to the surface, making it easier to operate compared to existing technologies that require complex manual or automated control systems.
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
Enables efficient and reliable monitoring of valve positions and other tool events in subterranean environments, simplifying the detection process and ensuring accurate operation of downhole equipment.
Implementation Method 1
An acoustic system also is deployed to detect a unique acoustic signature associated with an event related to operation of the tool
Data Source
AI summary
A technique facilitates detection of an event in a subterranean environment, e.g. in a wellbore. A tool may be deployed to a desired wellbore location or other subterranean location for actuation between operational positions. An acoustic system also is deployed to detect a unique acoustic signature associated with an event related to operation of the tool. Upon detection of the unique acoustic signature, the acoustic system transmits data to a surface location or other suitable location to indicate occurrence of the event. An example of such an event is transition of the tool between operational positions.