{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T00:02:55Z","timestamp":1769040175166,"version":"3.49.0"},"reference-count":40,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2024,4,30]],"date-time":"2024-04-30T00:00:00Z","timestamp":1714435200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the National Natural Science Foundation of China","award":["52204054"],"award-info":[{"award-number":["52204054"]}]},{"name":"the National Natural Science Foundation of China","award":["2023-CX-TD-31"],"award-info":[{"award-number":["2023-CX-TD-31"]}]},{"name":"the Innovation Capacity Support Program of Shaanxi","award":["52204054"],"award-info":[{"award-number":["52204054"]}]},{"name":"the Innovation Capacity Support Program of Shaanxi","award":["2023-CX-TD-31"],"award-info":[{"award-number":["2023-CX-TD-31"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Gels"],"abstract":"<jats:p>It is difficult to plug the fracture water channeling of a fractured low-permeability reservoir during water flooding by using the conventional acrylamide polymer gel due to its weak mechanical properties. For this problem, micron graphite powder is added to enhance the comprehensive properties of the acrylamide polymer gel, which can improve the plugging effect of fracture water channeling. The chemical principle of this process is that the hydroxyl and carboxyl groups of the layered micron graphite powder can undergo physicochemical interactions with the amide groups of the polyacrylamide molecule chain. As a rigid structure, the graphite powder can support the flexible skeleton of the original polyacrylamide molecule chain. Through the synergy of the rigid and flexible structures, the viscoelasticity, thermal stability, tensile performance, and plugging ability of the new-type gel can be significantly enhanced. Compared with a single acrylamide gel, after adding 3000 mg\/L of micrometer-sized graphite powder, the elastic modulus, the viscous modulus, the phase transition temperature, the breakthrough pressure gradient, the elongation at break, and the tensile stress of the acrylamide gel are all greatly improved. After adding the graphite powder to the polyacrylamide gel, the fracture water channeling can be effectively plugged. The characteristics of the networked water flow channel are obvious during the injected water break through the gel in the fracture. The breakthrough pressure of water flooding is high. The experimental results are an attempt to develop a new gel material for the water plugging of a fractured low-permeability reservoir.<\/jats:p>","DOI":"10.3390\/gels10050304","type":"journal-article","created":{"date-parts":[[2024,4,30]],"date-time":"2024-04-30T04:01:52Z","timestamp":1714449712000},"page":"304","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Study on a Strong Polymer Gel by the Addition of Micron Graphite Oxide Powder and Its Plugging of Fracture"],"prefix":"10.3390","volume":"10","author":[{"given":"Bin","family":"Shi","sequence":"first","affiliation":[{"name":"Hubei Key Laboratory of Drilling and Production Engineering for Oil and Gas, School of Petroleum Engineering, Yangtze University, Wuhan 430100, China"},{"name":"Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd., Xi\u2019an 710075, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guangming","family":"Zhang","sequence":"additional","affiliation":[{"name":"Hubei Key Laboratory of Drilling and Production Engineering for Oil and Gas, School of Petroleum Engineering, Yangtze University, Wuhan 430100, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2302-9060","authenticated-orcid":false,"given":"Lei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Hubei Provincial Key Laboratory of Oil and Gas Exploration and Development Theory and Technology, Department of Petroleum Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chengjun","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering, Xi\u2019an University of Petroleum, Xi\u2019an 710065, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhonghui","family":"Li","sequence":"additional","affiliation":[{"name":"Hubei Key Laboratory of Drilling and Production Engineering for Oil and Gas, School of Petroleum Engineering, Yangtze University, Wuhan 430100, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fangping","family":"Chen","sequence":"additional","affiliation":[{"name":"Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd., Xi\u2019an 710075, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Zhang, L., Khan, N., and Pu, C. 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