Temporary plugging agent, preparation method, fracturing method and application of temporary plugging agent
The invention discloses a temporary plugging agent, a preparation method, a fracturing method and application of the temporary plugging agent. Based on the total weight of the temporary plugging agent, the temporary plugging agent comprises the following raw materials: 15-20 wt% of acrylamide; 5 wt%...
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| creator | WEI RAN ZHONG GUANYU WEI JUANMING SU YUAN JIANG TINGXUE XIAO BO ZUO LUO WANG HAITAO BIAN XIAOBING LI SHUANGMING |
| description | The invention discloses a temporary plugging agent, a preparation method, a fracturing method and application of the temporary plugging agent. Based on the total weight of the temporary plugging agent, the temporary plugging agent comprises the following raw materials: 15-20 wt% of acrylamide; 5 wt% to 10 wt% of 2-acrylamide-2-methylpropanesulfonic acid; 1 wt% to 2 wt% of methyl acrylate; 0.5 wt% to 1 wt% of a cross-linking agent; 0.15 wt% to 0.8 wt% of an initiator; 2 wt%-5 wt% of a solvent; and the balance of water. According to the temporary plugging agent provided by the invention, different dissolution times of the temporary plugging agent at different temperatures can be controlled by adjusting the amounts of the initiator and the cross-linking agent, and different densities of the temporary plugging agent are adjusted by controlling different reaction speeds and different preparation processes; and thus, temporary plugging agent product particles with full floating, floating and sinking and full sinkin |
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Based on the total weight of the temporary plugging agent, the temporary plugging agent comprises the following raw materials: 15-20 wt% of acrylamide; 5 wt% to 10 wt% of 2-acrylamide-2-methylpropanesulfonic acid; 1 wt% to 2 wt% of methyl acrylate; 0.5 wt% to 1 wt% of a cross-linking agent; 0.15 wt% to 0.8 wt% of an initiator; 2 wt%-5 wt% of a solvent; and the balance of water. According to the temporary plugging agent provided by the invention, different dissolution times of the temporary plugging agent at different temperatures can be controlled by adjusting the amounts of the initiator and the cross-linking agent, and different densities of the temporary plugging agent are adjusted by controlling different reaction speeds and different preparation processes; and thus, temporary plugging agent product particles with full floating, floating and sinking and full sinkin</description><language>chi ; eng</language><subject>ADHESIVES ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DYES ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; POLISHES ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230721&DB=EPODOC&CC=CN&NR=116462797A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230721&DB=EPODOC&CC=CN&NR=116462797A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WEI RAN</creatorcontrib><creatorcontrib>ZHONG GUANYU</creatorcontrib><creatorcontrib>WEI JUANMING</creatorcontrib><creatorcontrib>SU YUAN</creatorcontrib><creatorcontrib>JIANG TINGXUE</creatorcontrib><creatorcontrib>XIAO BO</creatorcontrib><creatorcontrib>ZUO LUO</creatorcontrib><creatorcontrib>WANG HAITAO</creatorcontrib><creatorcontrib>BIAN XIAOBING</creatorcontrib><creatorcontrib>LI SHUANGMING</creatorcontrib><title>Temporary plugging agent, preparation method, fracturing method and application of temporary plugging agent</title><description>The invention discloses a temporary plugging agent, a preparation method, a fracturing method and application of the temporary plugging agent. 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Based on the total weight of the temporary plugging agent, the temporary plugging agent comprises the following raw materials: 15-20 wt% of acrylamide; 5 wt% to 10 wt% of 2-acrylamide-2-methylpropanesulfonic acid; 1 wt% to 2 wt% of methyl acrylate; 0.5 wt% to 1 wt% of a cross-linking agent; 0.15 wt% to 0.8 wt% of an initiator; 2 wt%-5 wt% of a solvent; and the balance of water. According to the temporary plugging agent provided by the invention, different dissolution times of the temporary plugging agent at different temperatures can be controlled by adjusting the amounts of the initiator and the cross-linking agent, and different densities of the temporary plugging agent are adjusted by controlling different reaction speeds and different preparation processes; and thus, temporary plugging agent product particles with full floating, floating and sinking and full sinkin</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Temporary plugging agent, preparation method, fracturing method and application of temporary plugging agent |
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