Hunting has been granted a patent for a system and apparatus that allows for the application and removal of weight from a tool string over an installed wireline. The invention includes a weight section with a longitudinal slot and a removable closure bar. GlobalData’s report on Hunting 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 Hunting, Hunting's grant share as of March 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Weight bar for tool string with removable closure bar
A weight bar for use on a downhole tool string conveyed by a wireline has been granted a patent (Publication Number: US11970910B2). The weight bar includes a weight section with male threads at the top end and female threads at the bottom end, along with a longitudinal slot and a cable borehole. A slot closure bar fits into the longitudinal slot, with a top end closer to the longitudinal axis than the male threads and a bottom end farther from the axis than the female threads. The slot closure bar is secured by a locking pin engaging a groove in the weight section bottom bore, ensuring stability and functionality during downhole operations.
Furthermore, the weight bar design includes features such as a locking pin slot extending circumferentially about the longitudinal axis, a weight section outer surface extending more than 180 degrees, and longitudinal slot shoulders for added stability. The weight bar is part of an apparatus for downhole use, featuring a tool string, cable head, fishing neck top sub, and a weight bar with a slot closure bar and retainer mechanisms. The weight bar design allows for secure attachment to the tool string, ensuring efficient and reliable performance in downhole applications.
To know more about GlobalData’s detailed insights on Hunting, 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.
