Superior Energy Services. has been granted a patent for a reaming tool designed for wellbores. The tool features an elongated tubular body with two reamer sections positioned oppositely, each equipped with blades and a mix of rounded dome and cutting tooth inserts, enhancing its operational efficiency. 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 June 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.

Reaming tool for wellbore with specialized blade inserts

Source: United States Patent and Trademark Office (USPTO). Credit: Superior Energy Services Inc

The patent US11988045B2 describes a specialized reaming tool designed for use in wellbores, featuring an elongated tubular body with distinct reamer and stabilizer sections positioned circumferentially opposite each other. Each section is equipped with at least two blades that have a pitch angle ranging from 5° to 15° relative to an axis perpendicular to the tubular body’s longitudinal axis. The reamer section incorporates a limited number of rounded dome inserts—less than 30% of the total inserts—which are non-cutting and serve to protect the cutting tooth inserts. In contrast, the stabilizer section is exclusively composed of rounded dome inserts, which lack abrupt surface changes or edges, ensuring a smooth operation. Notably, the total inserts on both sections extend along less than 50% of the outer circumference of the tubular body.

Additionally, the patent outlines a method for performing reaming operations in formations with an unconfined compressive strength exceeding 10 ksi. This method involves positioning a drill string that includes both a drill bit and the reaming tool, followed by operating the tool at a specified range of 60 to 100 revolutions per minute (RPM). The design of the blades in the reamer section is such that their top surface width is twice the diameter of the cutting tooth inserts, and they are arranged in a spiral orientation to enhance cutting efficiency. The rounded dome inserts in the stabilizer section are designed to be at a height no greater than that of the cutting tooth inserts in the reamer section, further contributing to the tool's protective and operational capabilities.

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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.