Halliburton has been granted a patent for a whipstock and well system featuring a coupling section designed to engage with a mill bit, along with a casing breakthrough section and a controlled exit section. The design specifies varying radii of curvature, enhancing operational efficiency in well drilling. GlobalData’s report on Halliburton 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 Halliburton, Oil well fracking was a key innovation area identified from patents. Halliburton's grant share as of July 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Whipstock with variable radius curvature for well systems
The granted patent US12071815B2 introduces a whipstock designed for use in wellbore operations, featuring a unique configuration that enhances its functionality. The whipstock comprises three distinct sections: a coupling section, a casing breakthrough section, and a controlled exit section, each characterized by specific radii of curvature. Notably, the second radius of curvature (associated with the casing breakthrough section) is designed to be less than the third radius of curvature (from the controlled exit section), with the patent specifying that this difference must be at least 5%. Additional claims detail variations in the curvature differences, with options for the second radius to be 10% or even 25% less than the third. The whipstock's design also includes ramp rates for each section, allowing for controlled engagement with a mill bit during operations.
In conjunction with the whipstock, the patent outlines a well system that integrates the whipstock within a wellbore, which is lined with casing. The system includes a bottom hole assembly adjacent to the whipstock and allows for the potential extension of a lateral wellbore. The coupling section is engineered to engage with a mill bit, which is also described in the claims. This mill bit features two cutting sections, each with different material removal rates, optimized for interacting with both the wellbore casing and the whipstock. The innovative design of the whipstock and its integration into the well system aims to improve drilling efficiency and precision in subterranean formations.
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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.
