Extended Thread Protector Structure for Perforating Gun Threads
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Solution Overview
Problem
Existing thread protectors for perforating guns do not adequately protect the thread profile during storage, transport, and handling, and lack additional functionalities.
Innovation Solution
An extended thread protector with a tapered sidewall and reinforced end wall, featuring a circumferential flange and internal reinforcing ribs, provides enhanced protection and ease of attachment/detachment, while allowing for secure storage and transport of perforating guns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional thread protector is used, then the thread profile is protected from moisture and debris, but the protector provides insufficient protection and lacks additional functionality
Solution Approach 1:
The thread protector is designed to perform multiple functions: protecting the thread profile from moisture and debris, providing structural support through the extended sidewall, and enabling secure attachment/removal via the recessed socket. This multi-functional design resolves the contradiction by enhancing both protection reliability and functional versatility simultaneously
2Ease of manufacture
If the thread protector structure is simplified, then manufacturing is easier, but protection effectiveness is reduced
Solution Approach 1:
The thread protector is segmented into distinct functional zones: the threaded collar for attachment, the extended sidewall for protection and structural support, and the recessed socket for tool engagement. This segmentation allows each part to be optimized for its specific function while maintaining overall manufacturing simplicity through a single integrated component
3Reliability
If the thread protector is securely attached, then thread protection is enhanced, but removal and reattachment operations become more difficult
Solution Approach 1:
The recessed socket acts as an intermediary mechanism between the removal tool and the thread protector body. This intermediary feature provides a dedicated engagement point that enables secure attachment through threading while simultaneously facilitating easy removal through tool engagement with the socket, resolving the contradiction between attachment security and operational ease
Data Source
AI summary
An extended thread protector for a perforating gun is provided. The thread protector can be joined to a perforating gun to prevent material from entering the interior of the perforating gun while also protecting the threads of the perforating gun. The extended thread protector includes an extended cavity to accept various product classifications. In one embodiment, the thread protector includes an externally threaded collar and an extended sidewall that are separated from each other by a circumferential flange. The extended sidewall is slightly tapered along its outer diameter, narrowing toward the closed end of the thread protector. The extended sidewall is at least twice the length of the threaded collar, optionally between two and six times the length of the threaded collar.