Superior Energy Services has been granted a patent for a downhole shock absorbing sub with a lateral shock absorbing assembly. The sub includes an activator ring with wedge inserts, reaction collars with ramp surfaces, and a spring system to resist movement, allowing for lateral movement of the main stem. GlobalData’s report on Superior Energy Services 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 Superior Energy Services, Underwater drilling platforms was a key innovation area identified from patents. Superior Energy Services's grant share as of March 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
Shock absorbing sub for downhole drilling operations
A recently granted patent (Publication Number: US11965383B1) discloses a downhole multi-axis shock absorbing sub designed for use in drilling operations. The sub comprises a tubular main stem extending through a sub housing, with a lateral shock absorbing assembly positioned within the sub housing. This assembly includes an activator ring with wedge inserts, reaction collars with ramp surfaces, and a spring system to resist movement of the reaction collars. The lateral movement of the main stem causes the wedge inserts to move the reaction collars against the spring system, providing shock absorption capabilities.
Additionally, the patent describes a torsional shock absorbing assembly within the sub housing, where rotational movement of the main stem causes helix sleeves with helical cam surfaces to engage the spring system. The spring systems in both the lateral and torsional shock absorbing assemblies have nonlinear spring constants and responses in different frequency bands, ensuring effective shock absorption across various frequencies. The design also includes specific spring sections with defined spring constants to optimize shock absorption performance. Overall, the patented multi-axis shock absorbing sub offers a comprehensive solution for mitigating shocks and vibrations in downhole drilling operations, enhancing operational efficiency and equipment longevity.
To know more about GlobalData’s detailed insights on Superior Energy Services, buy the report here.
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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.
