Downhole Sleeve Intervention Tool Reciprocating Mechanism
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Solution Overview
Problem
Current downhole sleeve systems face challenges in efficiently opening and closing multiple times, particularly in multi-stage horizontal wells, where intervention tools struggle to manipulate sleeves without unintentional opening or closing, and may become stuck, requiring additional operations for perforation or checking sleeve locations.
Innovation Solution
A downhole wellbore system with an intervention tool deployable into downhole sleeves, equipped with slips, a packer, and a collet that can selectively engage the sleeve's inner surface, allowing for multiple position changes between opening, closing, pulling uphole, pushing downhole, and setting in a blank section, enabling controlled manipulation and isolation of the sleeve.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the intervention tool is reciprocated within the liner to manipulate the downhole sleeve multiple times, then the operational efficiency and versatility are improved, but the risk of unintentional sleeve opening or closing increases
Solution Approach 1:
The intervention tool incorporates a dynamic engagement mechanism with the downhole sleeve that can be actively controlled to engage or disengage based on the desired operation. This dynamic system allows the tool to reliably manipulate the sleeve multiple times while preventing unintentional manipulation through controlled engagement states
Solution Approach 2:
The system includes a feedback mechanism that provides information about the sleeve position and tool-sleeve engagement status. This feedback allows operators to monitor and control the sleeve manipulation process, ensuring that opening and closing operations occur only when intended and reducing the risk of unintentional manipulation
2Ease of operation
If the intervention tool engages against the downhole sleeve to manipulate it, then the sleeve can be opened or closed as required, but the tool may become stuck requiring additional operations
Solution Approach 1:
The intervention tool uses an intermediary engagement mechanism between the tool and downhole sleeve that allows for controlled manipulation without direct permanent engagement. This intermediary system enables sleeve opening and closing operations while providing a reliable disengagement path to prevent the tool from becoming stuck
Solution Approach 2:
The system incorporates preliminary disengagement features that are activated before potential sticking conditions occur. This preliminary action ensures that the tool can be easily disengaged from the sleeve after manipulation operations, preventing the need for additional complex operations to free a stuck tool
3Manufacturing precision
If the intervention tool is designed to set in a liner or casing string, then the tool can be positioned for various operations, but the tool cannot move freely to check locations or perform additional manipulations
Solution Approach 1:
The intervention tool employs a dynamic positioning system that allows it to set accurately at desired locations within the liner or casing string while maintaining the ability to move freely when needed. This dynamic system provides both precise positioning for operations and flexibility for repositioning to check locations or perform additional manipulations
Data Source
AI summary
A downhole wellbore system is provided, comprising one or more downhole sleeves run on a liner; and an intervention tool deployable into the liner. The intervention tool is reciprocateable within the line and one or more downhole sleeves between any one or more positions selected from the group consisting of: downhole sleeve opening position, downhole sleeve closing position, pull uphole position, push downhole position, and setting in a blank section of the liner position. A method is further provided for manipulating an intervention tool in a liner comprising one or more downhole sleeves. The method comprises the steps of deploying an intervention tool into the liner and reciprocating the intervention tool between one or more positions selected from the group consisting of: downhole sleeve opening position, downhole sleeve closing position, pull uphole position, push downhole position, and setting in a blank section of the liner position.