{"number":"US12344796B1","kindCode":"B1","documentType":"grant","title":{"original":"Supercritical CO2 thickener for shale gas reservoir based on hollow mesoporous silica nanoparticles and preparation method thereof","english":"Supercritical CO2 thickener for shale gas reservoir based on hollow mesoporous silica nanoparticles and preparation method thereof"},"abstract":{"original":"The present invention discloses a supercritical CO2 thickener for shale gas reservoir based on hollow mesoporous silica nanoparticles and a preparation method thereof, and relates to the technical field of oil and gas field development. The preparation method of the thickener includes: reacting a monomer consisting of fluoroacrylate, styrene and vinyl acetate in a molar ratio of 3-5:1-2:1-2 with 2%-5% of a total weight of hollow mesoporous silica nanoparticles with carbon-carbon double bonds under the action of an initiator to obtain the thickener.…","english":"The present invention discloses a supercritical CO2 thickener for shale gas reservoir based on hollow mesoporous silica nanoparticles and a preparation method thereof, and relates to the technical field of oil and gas field development. The preparation method of the thickener includes: reacting a monomer consisting of fluoroacrylate, styrene and vinyl acetate in a molar ratio of 3-5:1-2:1-2 with 2%-5% of a total weight of hollow mesoporous silica nanoparticles with carbon-carbon double bonds under the action of an initiator to obtain the thickener.…"},"applicants":["TIANFU YONGXING LABORATORY","Southwest Petroleum University"],"inventors":["JINZHOU ZHAO","DAIJUN DU","WANFEN PU","ZEZHOU FANG","BO ZHOU","CHAO SHEN","ZIJIA LIAO","JINTAO LI","YING XIONG","RUI JIANG"],"filingDate":"2025-04-21","publicationDate":"2025-07-01","grantDate":"2025-07-01","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12344796B1.pdf","pages":{"en":"https://downloadpatent.com/patent/US12344796B1","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12344796B1","ja":"https://downloadpatent.com/ja/patent/US12344796B1"}}