Magnetic Pulse Actuation for Downhole Tool Deployment
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Solution Overview
Problem
The resource recovery industry faces challenges in actuating tools in evolving conditions and recovery concepts, requiring alternative configurations and methods for remote actuation in boreholes, especially for tools like liner hangers, screens, and fishing tools.
Innovation Solution
A magnetic pulse actuation system using a system inductor and a workpiece inductor with an RLC or RC circuit to generate a high-density magnetic field, allowing for adjustable movement and deformation of workpieces at velocities up to 200 meters per second, enabling welding or positional changes, and tuning of natural frequencies and phase angles for specific operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If magnetic pulse actuation system is implemented for remote tool actuation, then actuation capability and versatility are improved, but system complexity and cost increase
Solution Approach 1:
The system is divided into separate functional modules: a power source module (capacitor bank), a control module (switching device), and an actuation module (inductor). This segmentation allows each component to be optimized independently and facilitates maintenance and replacement without affecting the entire system.
Solution Approach 2:
The magnetic pulse actuation system is designed to perform multiple functions including welding, mechanical actuation, and positioning of downhole tools. The same inductor and capacitor bank configuration can be used for different tool types and operations, reducing the need for multiple specialized systems.
2Productivity
If high velocity movement (up to 200 m/s) is achieved for welding and positioning, then productivity and operation efficiency are improved, but energy consumption and system stress increase
Solution Approach 1:
The system uses periodic pulsing of the capacitor bank to generate magnetic fields, rather than continuous energy input. The capacitor charges and discharges in controlled cycles, creating high-velocity magnetic pulses only when needed for actuation or welding, thereby reducing overall energy consumption while maintaining high productivity during operation.
Solution Approach 2:
The system dynamically adjusts magnetic field parameters (strength, duration, frequency) based on the specific operation required. For welding, higher energy pulses are delivered; for positioning, lower energy pulses are used. This parameter optimization minimizes energy consumption while achieving the required operational velocities.
3Manufacturing precision
If natural frequencies are tuned for specific operations, then manufacturing precision and control are improved, but device complexity increases
Solution Approach 1:
The system incorporates feedback mechanisms that monitor the response of downhole tools during actuation. By measuring the actual movement and positioning accuracy, the control system adjusts the magnetic pulse parameters to optimize performance for each specific operation, achieving high precision without requiring complex pre-tuning of all system parameters.
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 controlled movement and deformation of workpieces for various downhole operations, such as welding, sealing, and tool installation, with reduced operating frequencies and costs, and the ability to achieve desired pressure and phase angles for effective tool deployment.
Implementation Method 1
A magnetic pulse actuation system using a system inductor and a workpiece inductor with an RLC or RC circuit to generate a high-density magnetic field
Implementation Method 2
a workpiece inductor associated with the workpiece and configured to magnetically interact with the system inductor
Implementation Method 3
tuning of natural frequencies and phase angles for specific operations
Data Source
AI summary
An arrangement for accelerating a workpiece including a system inductor configured to be supplied a current, a workpiece positioned magnetically proximate to the system inductor, a workpiece inductor associated with the workpiece and configured to magnetically interact with the system inductor. A method for moving a workpiece in a magnetic pressure arrangement comprising increasing inductance of a workpiece subsystem of the arrangement by disposing a workpiece inductor at the workpiece. A method for moving a workpiece in a magnetic pressure system comprising tuning one or more of a resistor, capacitor or inductor of the system to adjust a phase angle of a magnetic pressure produced in the system.