Japan Petroleum Exploration patented a method for underground storage of CO2-containing injection gas and enhanced oil recovery. The process involves injecting high-pressure water jets and fine bubbles of injection gas into permeable formations like oil reservoirs. This innovative technique aims to improve storage efficiency and oil recovery. GlobalData’s report on Japan Petroleum Exploration 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 Japan Petroleum Exploration, Syngas production was a key innovation area identified from patents. Japan Petroleum Exploration's grant share as of January 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
Underground storage of co2 gas and enhanced oil recovery
A recently granted patent (Publication Number: US11873703B2) discloses a method for underground storage of injection gas containing CO2 gas and enhanced oil recovery. The method involves utilizing an injection well with two flow paths - a water flow path and a gas flow path, along with a fine bubble-generating device positioned at the lower ends of these paths. The process includes supplying injection water through the water flow path, jetting a high-pressure water jet that suctions injection gas through the gas flow path into the fine bubble-generating device, and allowing a gas-liquid mixed fluid containing fine bubbles to penetrate into a permeable formation like an oil reservoir. This innovative approach aims to optimize the storage of injection gas and enhance oil recovery simultaneously.
Furthermore, the patent claims specify that the fine bubble-generating device can be placed either in a wellhead or on the surface. This flexibility in the placement of the device adds to the adaptability and efficiency of the method for underground storage of injection gas and enhanced oil recovery. By strategically generating fine bubbles of the injection gas and mixing them with the injection water before penetrating the permeable formation, this patented method offers a promising solution for maximizing the benefits of underground storage of CO2 gas and improving oil recovery processes. The unique combination of elements and steps outlined in the patent claims sets the stage for potential advancements in the field of underground gas storage and oil extraction techniques.
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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.
