Halliburton has been granted a patent for a wellbore anchoring device with an adjustable injection valve and spring. The device allows for adjusting the cracking pressure of the valve before positioning in a wellbore, enabling control of barrier fluid flow by forming a vacuum. 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 February 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Wellbore anchoring device with adjustable injection valve
A recently granted patent (Publication Number: US11920430B2) discloses an innovative anchoring device designed for use in wellbores. The device features an adjustable injection valve and a spring with an adjustable initial pressure setting. This setting can be modified before the device is placed in the wellbore to control the cracking pressure of the injection valve. By adjusting the injection valve, a vacuum can be created in the wellbore to regulate the flow of barrier fluid effectively.
The anchoring device also includes an adjuster nut for changing the spring's initial pressure, a sealing surface, a sealing seat, and a radial hole for fluid flow control. Additionally, a locking screw is incorporated to secure the spring's pressure setting. The method associated with this device involves positioning the injection valve and spring, adjusting the spring's pressure, and then placing the anchoring device in the wellbore. This process allows for the adjustment of the injection valve to create a vacuum for controlling fluid flow. The system described in the patent includes the adjustable injection valve, spring, and adjustment feature to modify the spring's pressure setting. The radial hole in the system serves multiple purposes, including accommodating filling material for specific operations and maintaining backpressure to keep the injection valve open during activation. Overall, the patent highlights a sophisticated anchoring device and method for efficient fluid flow control in wellbores, offering potential advancements in the field of oil and gas extraction.
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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.
