China Petroleum & Chemical patented a surfactant composition for tertiary oil recovery, combining cationic and anionic-nonionic surfactants in specific ratios for improved interfacial activity and stability. The invention aims to enhance oil displacement efficiency and washing capability in flooding fluid compositions. GlobalData’s report on China Petroleum & Chemical 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 China Petroleum & Chemical, was a key innovation area identified from patents. China Petroleum & Chemical's grant share as of February 2024 was 40%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11920083B2) discloses a surfactant composition designed for use in tertiary oil recovery processes. The composition includes a cationic surfactant and an anionic-nonionic surfactant, with a specific molar ratio ranging from 1:0.01 to 1:100. The patent emphasizes the importance of this unique combination in enhancing oil recovery efficiency.
Moreover, the patent claims the use of this surfactant composition in a flooding fluid composition for tertiary oil recovery, where it accounts for 0.001-10 wt % of the total weight. Notably, the composition excludes inorganic alkali, distinguishing it from conventional formulations. The patent also outlines a specific process for producing the flooding fluid composition, involving the precise mixing of the surfactant composition with water. Overall, the patent highlights the innovative approach to surfactant composition for tertiary oil recovery, potentially offering more effective and environmentally friendly solutions in the oil industry.
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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.
