Saipem has been granted a patent for a system designed to grit blast an annular junction portion of a pipeline on a laying vessel. The system includes a carriage, centrifugal turbine, and feed device to efficiently project grit towards the pipeline. GlobalData’s report on Saipem gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Saipem, H2 powered aircraft propulsion was a key innovation area identified from patents. Saipem's grant share as of March 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Pipeline grit blasting system on laying vessel
A newly granted patent (Publication Number: US11951593B2) discloses a system designed for grit blasting an annular junction portion of a pipeline on a laying vessel. The system includes a carriage that moves along an annular path around the pipeline, a centrifugal turbine that projects grit towards the pipeline while rotating on a plane orthogonal to the longitudinal axis, and a feed device with a hopper and guide device to supply the grit to the turbine in various operating positions. The hopper is symmetrical and features an outlet with an inclined wall to direct the grit, and a cover to close the feed chamber. The guide device includes separator septums to compartmentalize the feed chamber and ensure controlled feeding of the grit to the turbine.
Additionally, the patent describes a method for grit blasting the pipeline junction using the system, involving the carriage's controlled swinging motion, the movement of frames supporting guides defining the annular path, and the use of multiple carriages and centrifugal turbines for efficient grit projection. The method also includes the feeding of grit to the turbines through hoppers and guide devices in various operating positions. The system's design allows for precise and controlled grit blasting of the pipeline, ensuring effective maintenance and repair operations on board the laying vessel. The patent further details the configuration of the system on a launching vessel, emphasizing its applicability and versatility in pipeline maintenance operations.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
