Shifting Profile Positioning With Real-Time Downhole Feedback
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Solution Overview
Problem
Current mechanical operations in wellbores and casings, such as shifting tools, are complex and prone to human error, requiring extensive training and are not compatible with real-time intervention in deep-water or High Pressure/Temperature environments, leading to inefficiencies and increased operational costs.
Innovation Solution
The implementation of a downhole mechanical service tool with an anchoring system, shifting system, and linear actuator system, coupled with a normalized visualizer that provides real-time graphical representation of shifting profile geometry, allowing for precise positioning and engagement of completion components, reducing reliance on human operators and enhancing operational accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mechanical operations are performed in wellbores, then operational flexibility is maintained, but human error increases and training requirements escalate
Solution Approach 1:
The system performs self-positioning by automatically comparing real-time shifting profile measurements with stored reference profiles to determine tool location, eliminating the need for human operators to manually interpret complex geological data and reducing human error in positioning operations
Solution Approach 2:
The system continuously measures shifting profile geometry, compares it with reference data, and uses this feedback to automatically adjust and confirm tool position, creating a closed-loop control system that reduces operational errors without requiring complex human intervention
2Productivity
If real-time intervention is implemented in deep-water or HPHT environments, then operational efficiency improves, but system complexity and cost increase
Solution Approach 1:
The system replaces complex mechanical positioning methods with automated electronic measurement and data comparison, using sensors to capture shifting profile geometry and software to automatically determine tool position, thereby improving efficiency without proportionally increasing mechanical system complexity
Solution Approach 2:
The system creates a digital copy of the shifting profile geometry through measurement and comparison with reference profiles, allowing automated position determination without requiring physical inspection or complex mechanical intervention by human operators
3Measurement precision
If automated positioning systems are used, then human error is reduced, but measurement and data processing complexity increases
Solution Approach 1:
The system uses feedback loops to continuously measure shifting profile geometry, compare it with reference profiles, and automatically adjust position determination, improving measurement precision through iterative validation while managing data complexity through automated comparison algorithms
Solution Approach 2:
The system creates simplified digital representations (copies) of complex shifting profiles by comparing measured geometry with stored reference patterns, transforming complex raw measurement data into straightforward position indicators that are easier to process and interpret
Data Source
AI summary
A method includes disposing an intervention service tool within a tubular. The intervention service tool includes an anchoring system, a shifting system, and a linear actuator system. The tubular includes a shifting profile geometry disposed within the tubular at a first location. The anchoring system, the shifting system, and/or the linear actuator system is actuated. Shifter system pressure, linear actuator system force/pressure, and displacement of the shifting system is measured. A known graph of the shifting profile geometry is compared to one or more of a measured pressure, a measured force, or a measured displacement. A position of a key disposed on the shifting system is determined relative to the shifting profile. The shifting profile geometry is engaged with the key based on the position of the key. The shifting profile geometry is positioned at a second location that is different from the first location.