Magnetic Actuation for Blowout Preventer Weight Reduction
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Solution Overview
Problem
Deepwater drilling operations face challenges in managing extreme pressures and temperatures, leading to increased demands for stronger and more complex blowout preventer (BOP) systems, which are often hindered by size and weight limitations of existing equipment.
Innovation Solution
The integration of high power directed energy, such as laser systems, with mechanical energy sources in BOP systems to reduce mechanical energy requirements and enhance cutting and sealing capabilities, allowing for more efficient operation at greater depths without the need for larger, heavier equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If stronger and more complex BOP systems are used to manage extreme pressures and temperatures in deepwater drilling, then well control capability is improved, but system size and weight increase
Solution Approach 1:
The patent replaces conventional hydraulic actuation systems with magnetic actuation systems. Magnets are positioned to directly interact with ferromagnetic materials in the BOP components, eliminating the need for complex hydraulic pumps, valves, and fluid lines. This substitution reduces system weight while maintaining or improving well control capability through more efficient actuation.
Solution Approach 2:
The patent extracts and removes unnecessary mechanical components from the BOP system, particularly hydraulic infrastructure. By identifying and eliminating redundant mechanical elements that do not contribute to core well control functions, the system achieves weight reduction while preserving essential safety and control capabilities.
2Reliability
If conventional hydraulic systems are used to actuate BOP components, then reliable operation is achieved, but energy consumption and system complexity increase
Solution Approach 1:
The patent substitutes magnetic fields for hydraulic systems in actuating BOP components. Magnets positioned within or near the components generate magnetic forces that directly move ferromagnetic elements, eliminating the need for hydraulic fluid power transmission. This reduces energy consumption by removing hydraulic pump requirements while maintaining actuation reliability through direct magnetic coupling.
Solution Approach 2:
The magnetic actuation system utilizes the inherent ferromagnetic properties of BOP component materials to generate actuation forces without external hydraulic infrastructure. The system leverages existing material characteristics rather than requiring additional energy-intensive mechanical systems, achieving self-service actuation that reduces overall energy demands.
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 enables smaller, lighter BOP systems with improved performance, increased operational depth, and reduced energy needs, facilitating safer and more efficient well control and emergency response in deepwater environments.
Implementation Method 1
a source of directed energy, having the capability to deliver a directed energy to a location within the cavity, the directed energy having a first amount of energy
Data Source
AI summary
There is provided systems, methods and apparatus for the use of directed energy, including high power laser energy, in conjunction with mechanical shearing, sealing and closing devices to provide reduced mechanical energy well control systems and techniques.