Dril-Quip. has been granted a patent for a subsea wellhead system featuring integrated fiber optic cables for enhanced communication. The system includes a hanger, tree, seal sub, transducer, photodetector, and optical transmitter, facilitating efficient signal conversion between downhole and surface locations. GlobalData’s report on Dril-Quip 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 Dril-Quip, Underwater drilling platforms was a key innovation area identified from patents. Dril-Quip's grant share as of July 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.

Subsea wellhead system with fiber optic communication capabilities

Source: United States Patent and Trademark Office (USPTO). Credit: Dril-Quip Inc

The granted patent US12025000B2 describes a subsea wellhead system designed to enhance communication and power supply capabilities in underwater oil and gas operations. The system includes a hanger with a bore and a first fiber optic cable, a tree that can be landed on the hanger featuring a second fiber optic cable extending to the surface, and a seal sub that connects to the tree and engages with the hanger. The seal sub incorporates a fiber optic communications line that links both fiber optic cables, facilitating data transmission. Additionally, a transducer is positioned downhole, connected to the first fiber optic cable, which transmits signals to a photodetector in the hanger. This photodetector converts light signals into electrical signals, which are then transmitted via an optical transmitter in the seal sub.

Further claims detail the inclusion of additional components such as a second photodetector at the surface for converting light signals into electrical signals for information handling systems, and a second optical transmitter downhole for converting electrical signals back into light signals. The electrical connections within the system are designed with elastomeric shrouds to ensure sealing and protection against environmental factors. The design also features metal-to-metal protrusions for enhanced sealing within the hanger. Overall, the subsea wellhead system aims to improve the reliability and efficiency of communication and power management in subsea environments, addressing critical operational needs in the oil and gas industry.

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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.