Flexible Pipe Mount Body for Cathodic Protection Placement
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Solution Overview
Problem
Conventional flexible pipes in deep and ultra-deep water environments face challenges with corrosion due to seawater ingress and attenuation effects from cathodic protection systems, requiring frequent end fittings and complex installation methods for ancillary equipment, which increase cost and complexity.
Innovation Solution
The development of a cylindrical mount body with recessed regions and securing elements allows for the securement of anodes and ancillary equipment along the flexible pipe body at desired locations, reducing attenuation effects and eliminating the need for frequent end fittings by providing an integrated mounting mechanism during manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cathodic protection systems are used with frequent end fittings, then corrosion protection is provided, but device complexity and installation cost increase
Solution Approach 1:
Mounting points are integrated into the flexible pipe body during manufacturing, allowing anodes to be securely positioned at desired locations remote from pipe end fittings before the pipe is installed. This preliminary integration eliminates the need for complex post-installation modifications and reduces installation complexity while maintaining effective cathodic protection.
2Reliability
If frequent end fittings are used for cathodic protection, then corrosion protection is achieved, but loss of time and productivity decrease
Solution Approach 1:
The mounting points are pre-integrated into the flexible pipe body during manufacturing, enabling rapid attachment of anodes at desired locations without requiring frequent end fittings or complex post-installation modifications. This significantly reduces installation time and improves productivity while maintaining effective cathodic protection.
3Ease of operation
If mounting points are integrated during manufacturing, then ease of operation improves, but manufacturing complexity increases
Solution Approach 1:
The mounting points are designed as discrete, modular features that can be integrated into the flexible pipe body at specific locations without requiring complex manufacturing processes. This segmentation allows for easy integration during manufacturing while providing simple, straightforward anode securement during operation.
4Adaptability or versatility
If ancillary equipment is mounted remotely from end fittings, then adaptability improves, but device complexity increases
Solution Approach 1:
The mounting points are designed with a universal structure that can accommodate various types of ancillary equipment including anodes, stiffener elements, and other devices. This multi-functional design provides adaptability for different equipment placements while maintaining a simple, consistent mounting mechanism that does not increase device complexity.
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
This solution enables longer flexible pipe lengths without back-to-back end fittings, reduces resistance along the pipe, and provides effective cathodic protection and ancillary equipment attachment, thereby lowering installation costs and complexity while maintaining pipe integrity.
Implementation Method 1
cathodic protection has been utilised... Cathodic protection is a mechanism for providing corrosion protection
Data Source
AI summary
Methods and apparatus are disclosed. The apparatus includes a substantially cylindrical mount body comprising a first open mouth at a first end of the cylindrical body and a further open mouth at a remaining end of the cylindrical body, a substantially cylindrical inner surface, and an outer surface that includes a plurality of spaced apart substantially parallel recessed regions that extends circumferentially around the body, wherein the cylindrical body is tapered at each end and at least one securing element is located between the recessed regions.