Magnetic Pulse Signature Wellbore Tool Actuation
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Solution Overview
Problem
Current wellbore servicing technologies lack efficient methods for selectively actuating well tools and controlling fluid injection and production in subterranean formations, particularly in terms of precision and reliability.
Innovation Solution
A wellbore servicing system utilizing a tubular string with injection valves and magnetic signature sensing technology, where magnetic pulse signatures trigger the actuation of injection valves to control fluid communication between the tubular string and the wellbore, allowing for selective and precise operation of well tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If magnetic pulse signature sensing is used for well tool actuation, then measurement precision and reliability are improved, but device complexity increases
Solution Approach 1:
The patent replaces traditional mechanical actuation systems with magnetic field-based actuation. Magnetic pulse signatures detected by magnetic sensors trigger tool actuation, eliminating the need for complex mechanical linkages and reducing mechanical wear while improving precision and reliability of tool activation.
Solution Approach 2:
The patent introduces magnetic fields as an intermediary between the control system and the well tool actuation mechanism. Magnetic pulse signatures serve as the intermediary signal that can be transmitted through the wellbore environment to reliably trigger tool responses without direct mechanical or electrical contact.
2Productivity
If selective actuation of well tools is implemented, then operational efficiency is improved, but control difficulty increases
Solution Approach 1:
The patent divides the wellbore into discrete zones with individually addressable tools. Each tool can be selectively actuated by matching specific magnetic pulse signatures to specific tools, enabling independent control of multiple tools along the wellbore without interfering with each other's operation.
Solution Approach 2:
The patent uses variations in magnetic pulse signature parameters (frequency, amplitude, duration, pattern) to selectively actuate different tools. By encoding tool identification and actuation commands in the magnetic pulse signature parameters, the system achieves precise selective control while simplifying the operation through standardized signal protocols.
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 precise and selective control over fluid injection and production in subterranean formations, improving operational efficiency and reducing the risk of accidental actuation, thereby enhancing the reliability of wellbore servicing operations.
Implementation Method 1
a magnetic sensor configured to sense a magnetic pulse signature in the wellbore
Data Source
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AI summary
A wellbore servicing tool comprising a housing comprising one or more ports and generally defining a flow passage, an actuator disposed within the housing, a magnetic signature system (MSS) comprising a magnetic sensor in signal communication with an electronic circuit disposed within the housing and coupled to the actuator, and a sleeve slidably positioned within the housing and transitional from a first position to a second position, wherein, the sleeve is allowed to transition from the first position to the second position upon actuation of the actuator, and wherein the actuator is actuated upon recognition of a predetermined quantity of predetermined magnetic pulse signatures via the MSS.