Petroleo Brasileiro had one patents in future of work during Q4 2023.The patent filed by Petroleo Brasileiro SA in Q4 2023 describes a method for clearing submarine pipes using a flexitube from a well intervention rig. This method is effective for solving complex cases of obstruction in flexible submarine pipes, providing a cheaper alternative to conventional approaches. The process involves steps such as opening flanged connections, installing pull heads, hoisting the pipe using a drill string, draining internal pressure, and using a Surface Flow Tree and Flexitube for clearing operations. GlobalData’s report on Petroleo Brasileiro gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Petroleo Brasileiro grant share with future of work as a theme is 0% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Method for clearing flexible lines using coiled tubing from a well intervention rig (Patent ID: US20230349244A1)
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The patent filed by Petroleo Brasileiro SA describes a method for clearing submarine pipes using flexitube from a well intervention rig. The method involves steps such as opening a flanged connection between two legs of the pipe, installing pull heads, hoisting the pipe using a hoisting assembly, draining internal pressure, assembling a Surface Flow Tree, and clearing the pipe with Flexitube. The process also includes cleaning the pipe with high flow rate seawater circulation, disassembling equipment, and reconnecting the legs of the pipe after clearing.
The method outlined in the patent involves specific steps such as using an ROV for opening the flanged connection and installing pull heads, attaching floats to create a curved section in the legs, utilizing a hoisting assembly with an inverted drill pipe elevator and anchor ties, and connecting a tube with a JIC-8 connection to drain internal pressure. The process also includes assembling a Surface Flow Tree, using Flexitube for clearing the pipe, and disassembling and reconnecting the pipe legs after completion. This method aims to provide an effective and cost-efficient solution for clearing flexible submarine pipes, especially in cases where conventional approaches are ineffective, making it a valuable innovation in the field of pipe maintenance and intervention.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. 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.
