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EP 4 565 541 A1

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(43) Date of publication: 11.06.2025 Bulletin 2025/24 (21) Application number: 23917985.6 (22) Date of filing: 01.08.2023

(51) International Patent Classification (IPC):  C04B 24/02(2006.01) C09K 8/487(2006.01) E21B 47/005(2012.01) C04B 24/26(2006.01) E21B 33/14(2006.01) (52) Cooperative Patent Classification (CPC): C09K 8/487; C04B 28/02; C04B 2103/0062; E21B 33/138; E21B 33/13   C-Sets: C04B 28/02, C04B 22/124, C04B 22/103, C04B 22/141, C04B 2103/0049; C04B 28/02, C04B 22/124, C04B 22/103, C04B 22/141, C04B 24/2641; C04B 28/02, C04B 22/124, C04B 22/103, C04B 22/141, C04B 24/2652; C04B 28/02, C04B 22/124, C04B 22/103, C04B 22/141, C04B 24/2676; (86) International application number: PCT/US2023/071415 (87) International publication number: WO 2024/155323 (25.07.2024 Gazette 2024/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 02.08.2022 US 202217816760 (71) Applicants: Chevron U.S.A. Inc. San Ramon, CA 94583 (US) Triad National Security, LLC Los Alamos, NM 87545 (US)

(72) Inventors: WELCH, Nathan, James Los Alamos, NM 87545 (US) BOUKHALFA, Hakim Los Alamos, NM 87545 (US) GILBERTSON, Robert, David Los Alamos, NM 87545 (US) NAIR, Rajesh, S. San Ramon, CA 94583 (US) WILLIAMS, Deryck, Edward Matthew San Ramon, CA 94583 (US) QUIRK, Timothy, Leo San Ramon, CA 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)