Downhole Actuation Module Integrating Diode and SIDAC
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Solution Overview
Problem
Current methods for selectively actuating downhole well tools in oil and gas wells require complex and potentially unreliable systems involving numerous wires and complex wireless telemetry, leading to inefficiencies and reliability issues.
Innovation Solution
The development of an actuation module that combines a solenoid-operated valve, linear actuator, or electric motor with a diode and silicon bilateral voltage triggered switch thyristor into a single, sealed unit, reducing the need for multiple downhole systems and simplifying installation by using passive electronics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a relatively large number of wires and complex wireless telemetry systems are used to individually actuate multiple downhole well tools, then the ability to selectively control valves in different zones is improved, but the device complexity and reliability worsen
Solution Approach 1:
The patent combines multiple electronic components (diode, SIDAC, and actuator) into a single integrated downhole module. This merging eliminates the need for separate control systems for each valve, reducing wire count and system complexity while maintaining the ability to selectively control multiple zones through a simplified architecture where each module operates independently with its own integrated control electronics.
Solution Approach 2:
The integrated downhole module serves multiple functions within a single device: it contains the actuator for valve control, the SIDAC for voltage-triggered switching, and the diode for current direction control. This multi-functional design allows each module to operate autonomously while being part of a larger selective control system, reducing overall system complexity.
2Ease of operation
If numerous wires and complex wireless telemetry systems are installed to extend through bulkheads, packers, hangers, and wellheads, then individual actuation of downhole tools is enabled, but the reliability deteriorates due to potential failure points
Solution Approach 1:
The system divides the downhole control functionality into separate integrated modules, each containing its own actuator and control electronics. This segmentation eliminates the need for extensive wire runs through multiple components (bulkheads, packers, hangers, wellheads), reducing the number of potential failure points while maintaining individual actuation capability for each valve zone.
Solution Approach 2:
By combining the actuator, SIDAC, and diode into a single sealed module, the patent eliminates multiple connection points and wire penetrations that would otherwise be required. This integration reduces the number of potential failure points in the system while preserving the ability to individually actuate each downhole tool.
3Adaptability or versatility
If multiple separate electronic components are used in downhole systems, then functional requirements are met, but the number of parts and installation complexity increase
Solution Approach 1:
The patent integrates the diode, SIDAC, and actuator into a single pre-assembled downhole module that is sealed as one unit. This merging of components significantly simplifies installation, as the entire assembly can be installed as a single unit rather than requiring separate installation and sealing of multiple individual components, while maintaining all necessary functional capabilities.
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 the reliability and simplifies the operation of downhole devices by reducing the number of downhole systems and eliminating unnecessary components, thereby improving the efficiency of well tool actuation and fluid management in oil and gas production operations.
Implementation Method 1
a silicon bilateral voltage triggered switch thyristor (SIDAC) disposed in the housing and electrically connected to the solenoid operated valve
Implementation Method 2
a diode disposed in the housing
Implementation Method 3
a solenoid operated valve (solenoid operated valve) disposed in the housing
Data Source
AI summary
An actuation module may comprise a housing, a solenoid operated valve solenoid operated valve disposed in the housing, a diode disposed in the housing, a silicon bilateral voltage triggered switch thyristor disposed in the housing and electrically connected to the solenoid operated valve, and an output connected to the solenoid operated valve. A method may comprise connecting an actuation module to a production tubing valve, connecting the actuation module to a valve control system, connecting an information handling system to the valve control system, controlling the actuation module with the valve control system, and activating the production tubing valve with the actuation module.