Detonation Cord Alignment Housing with Inward Protrusions
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Solution Overview
Problem
The existing perforating gun systems in wellbore operations face challenges with inconsistent and unreliable coupling of detonation cords with detonators and shaped charges, leading to potential misfires and costly retrieval processes.
Innovation Solution
A detonation cord alignment apparatus with a housing and inwardly directed protrusions that securely resist movement of the detonation cord, ensuring consistent and reliable alignment with detonators and shaped charges, preventing improper coupling and misfires.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a detonation cord is used in perforating gun systems, then the detonation process can be initiated, but inconsistent and unreliable coupling with detonators and shaped charges occurs leading to potential misfires
Solution Approach 1:
The housing is pre-configured with inwardly directed protrusions that automatically engage the detonation cord upon insertion. This preliminary arrangement of retention features ensures that proper alignment and coupling are established before the detonation process begins, eliminating the need for complex post-insertion adjustment mechanisms and ensuring consistent coupling with detonators and shaped charges.
2Ease of operation
If the detonation cord is allowed to move freely in the housing, then insertion is easy, but the cord can become misaligned or detached causing misfires
Solution Approach 1:
The inwardly directed protrusions act as intermediary retention features between the housing and the detonation cord. These protrusions provide automatic engagement and retention upon cord insertion, ensuring the cord remains securely coupled with detonators and shaped charges throughout the operation without requiring complex locking mechanisms or manual adjustment.
Data Source
AI summary
Provided is a detonation cord alignment apparatus. The detonation cord alignment apparatus, in accordance with one example, includes a detonation cord alignment housing having a detonation cord opening extending there through, and one or more protrusions extending inward from the detonation cord opening for linearly securing a detonation cord therein.