Dril-Quip. has filed a patent for a wear bushing design featuring lug cartridges with biased lugs that can transition between protruding and retracted positions within cavities in the wear bushing body. This innovative design aims to enhance the performance and durability of wear bushings in various applications. 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 January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Wear bushing with retractable lugs for drilling equipment
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A wear bushing patent application (Publication Number: US20230417111A1) describes a wear bushing body with cavities that house lug cartridges. Each lug cartridge contains a biased lug that can transition between protruding radially inward and being retracted into the cavity, along with a retainer to hold the lug in place. The design allows for easy resetting of the lug position through a reset opening accessible from the outer surface of the wear bushing body. The system also includes a running tool with a ramped outer surface to interact with the biased lug during setting and retrieval processes.
Furthermore, the patent application details a method for deploying the wear bushing in a well component using a running tool, disengaging the tool, collapsing the biased lug into a retracted position, and securing it with the retainer. Additional steps involve connecting the wear bushing to the well component, applying overpull to the bushing, and rotating the tool for further operations. The method also includes retrieving the wear bushing using a retrieval adapter and resetting the biased lug without removing the lug cartridge from the wear bushing body, showcasing a comprehensive and efficient process for deploying and managing the wear bushing system in well components.
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