Magnetic Thread Protector for Faster Tubular Installation
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Solution Overview
Problem
Current thread protectors for the pin end of casing or tubing are time-consuming to install and remove, significantly impacting production time in oil and gas operations.
Innovation Solution
A thread protector with an external sleeve and a securing apparatus, including a magnet, that quickly engages and disengages from the tubular member's threads, providing efficient protection and easy installation/removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional thread protectors are used to protect pin end threads, then thread protection is achieved, but installation and removal time increases significantly
Solution Approach 1:
The thread protector is divided into two main segments: an external sleeve that protects the threads and a securing apparatus that attaches to the tubular member. This segmentation allows the protective function to be separated from the attachment mechanism, enabling quick attachment without compromising thread protection. The securing apparatus can be independently attached to the tubular member's outer surface, allowing the sleeve to be quickly positioned and secured over the threads.
Solution Approach 2:
The patent replaces traditional mechanical threading or clamping systems with a magnetic attachment system. The securing apparatus includes magnets that attach to the outer surface of the tubular member, eliminating the need for complex mechanical fastening mechanisms. This substitution dramatically reduces installation and removal time while maintaining secure attachment, directly addressing the time loss issue without sacrificing protection reliability.
2Productivity
If thread protectors are quickly attached and removed, then production time is improved, but secure engagement with tubular members becomes difficult
Solution Approach 1:
The securing apparatus is designed to be pre-positioned or pre-aligned with the tubular member's outer surface features. The magnetic attachment mechanism is prepared in advance to engage with the tubular member, allowing for rapid yet secure attachment. This preliminary preparation ensures that when the thread protector needs to be attached during production, the process is both quick and reliable.
Solution Approach 2:
The patent introduces an intermediary magnetic attachment system between the thread protector and the tubular member. This magnetic intermediary provides a reliable connection mechanism that is both quick to engage and secure in holding. The magnets act as a mediator that bridges the thread protector and tubular member, ensuring secure engagement without requiring time-consuming mechanical fastening operations.
3Speed
If a securing apparatus with magnet is used, then attachment speed is improved, but device complexity increases
Solution Approach 1:
The patent extracts the magnetic securing function from the traditional thread protector design and places it on the outer surface of the tubular member. This separation allows the magnetic attachment system to be independently optimized for speed without adding complexity to the thread protection sleeve itself. The securing apparatus becomes a standalone component that can be easily attached and removed, reducing overall device complexity while maintaining high attachment speed.
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
Significantly reduces the time required to attach and detach thread protectors from multiple tubular members, enhancing production efficiency by minimizing the time spent on protection and maintenance.
Implementation Method 1
the securing apparatus including a magnet that increases the force of the frictional engagement of the securing apparatus with the inner side of the tubular member
Implementation Method 2
a securing apparatus extending from the flange to frictionally engage an inner side of the tubular member to maintain the thread protector's engagement with the tubular member
Data Source
AI summary
A thread protector that has an external sleeve to protect threads disposed on a tubular member. The thread protector includes a flange disposed on a first end of the external sleeve to be engageable with an end of the tubular member. The thread protector also includes a securing apparatus extending from the flange to frictionally engage an inner side of the tubular member to maintain the thread protector's engagement with the tubular member, the securing apparatus including a magnet that increases the force of the frictional engagement of the securing apparatus with the inner side of the tubular member. The securing apparatus can also extend from the flange to frictionally engage an inner side of the tubular member to maintain the thread protector's engagement with the tubular member, the securing apparatus rotatable relative to the external sleeve. A method of protecting pin threads of pin ends of tubular members by installing a thread protector on an end of a tubular member.