COMPOSITION, PREPARATION METHOD FOR AND APPLICATION OF COMPOSITION, AND SELF-HEALING METHOD FOR WELL CEMENTING IN OIL/GAS FIELD
The present invention relates to a self-healing composition, and a preparation method for and an application of the composition. The composition is of a core-shell structure; the core contains a hydrogenated styrenic thermoplastic elastomer polymer and an inorganic filler; the shell contains a hydro...
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| creator | WANG, Qichun ZHANG, Junhua PENG, Gewei ZENG, Min ZHANG, Hailiang MO, Xiaojun YANG, Fan LIANG, Hongwen WANG, Xu |
| description | The present invention relates to a self-healing composition, and a preparation method for and an application of the composition. The composition is of a core-shell structure; the core contains a hydrogenated styrenic thermoplastic elastomer polymer and an inorganic filler; the shell contains a hydrophilic polymer; the composition has a density of 1.2-2 g/cm3, a water contact angle of no more than 90°, and a diesel oil and/or natural gas absorption expansion ratio of 5-15 times. According to the composition provided by the present invention, by coating the hydrogenated styrenic thermoplastic elastomer and the inorganic filler with the hydrophilic (surface polarized) polymer, a core-shell structure is formed, and the density, water contact angle, and oil/gas absorption expansion coefficient of the composition are ensured; thus, when the composition is used for well cementing in an oil/gas field, the composition has a density and compatibility matching cement mortar and thus can form a uniform and stable cement |
| format | Patent |
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The composition is of a core-shell structure; the core contains a hydrogenated styrenic thermoplastic elastomer polymer and an inorganic filler; the shell contains a hydrophilic polymer; the composition has a density of 1.2-2 g/cm3, a water contact angle of no more than 90°, and a diesel oil and/or natural gas absorption expansion ratio of 5-15 times. According to the composition provided by the present invention, by coating the hydrogenated styrenic thermoplastic elastomer and the inorganic filler with the hydrophilic (surface polarized) polymer, a core-shell structure is formed, and the density, water contact angle, and oil/gas absorption expansion coefficient of the composition are ensured; thus, when the composition is used for well cementing in an oil/gas field, the composition has a density and compatibility matching cement mortar and thus can form a uniform and stable cement</description><language>chi ; eng ; fre</language><subject>ADHESIVES ; ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; DYES ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; LIME, MAGNESIA ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MINING ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; POLISHES ; REFRACTORIES ; SLAG ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TREATMENT OF NATURAL STONE</subject><creationdate>2022</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=20220203&DB=EPODOC&CC=WO&NR=2022022355A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220203&DB=EPODOC&CC=WO&NR=2022022355A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG, Qichun</creatorcontrib><creatorcontrib>ZHANG, Junhua</creatorcontrib><creatorcontrib>PENG, Gewei</creatorcontrib><creatorcontrib>ZENG, Min</creatorcontrib><creatorcontrib>ZHANG, Hailiang</creatorcontrib><creatorcontrib>MO, Xiaojun</creatorcontrib><creatorcontrib>YANG, Fan</creatorcontrib><creatorcontrib>LIANG, Hongwen</creatorcontrib><creatorcontrib>WANG, Xu</creatorcontrib><title>COMPOSITION, PREPARATION METHOD FOR AND APPLICATION OF COMPOSITION, AND SELF-HEALING METHOD FOR WELL CEMENTING IN OIL/GAS FIELD</title><description>The present invention relates to a self-healing composition, and a preparation method for and an application of the composition. 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According to the composition provided by the present invention, by coating the hydrogenated styrenic thermoplastic elastomer and the inorganic filler with the hydrophilic (surface polarized) polymer, a core-shell structure is formed, and the density, water contact angle, and oil/gas absorption expansion coefficient of the composition are ensured; thus, when the composition is used for well cementing in an oil/gas field, the composition has a density and compatibility matching cement mortar and thus can form a uniform and stable cement</description><subject>ADHESIVES</subject><subject>ARTIFICIAL STONE</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>DYES</subject><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>LIME, MAGNESIA</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MINING</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAINTS</subject><subject>POLISHES</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi7EKwkAQRNNYiPoPC7YGNSEfsFz2koXL7ZEcpAxBzko0EHt_XQ8ttBMGhuHNWyYPJY2Tjj2L3YFryWGLcUBDvpYStLSAtgR0zrB6I9Hwo0XekdFpTWjYVt9uT8aAooasj4RfNpt9hR1oJlOuk8V5vMxh8-lVstXkVZ2G6TaEeRpP4RruQy_ZIYvJiwKP-X-vJ_hpPE4</recordid><startdate>20220203</startdate><enddate>20220203</enddate><creator>WANG, Qichun</creator><creator>ZHANG, Junhua</creator><creator>PENG, Gewei</creator><creator>ZENG, Min</creator><creator>ZHANG, Hailiang</creator><creator>MO, Xiaojun</creator><creator>YANG, Fan</creator><creator>LIANG, Hongwen</creator><creator>WANG, Xu</creator><scope>EVB</scope></search><sort><creationdate>20220203</creationdate><title>COMPOSITION, PREPARATION METHOD FOR AND APPLICATION OF COMPOSITION, AND SELF-HEALING METHOD FOR WELL CEMENTING IN OIL/GAS FIELD</title><author>WANG, Qichun ; 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The composition is of a core-shell structure; the core contains a hydrogenated styrenic thermoplastic elastomer polymer and an inorganic filler; the shell contains a hydrophilic polymer; the composition has a density of 1.2-2 g/cm3, a water contact angle of no more than 90°, and a diesel oil and/or natural gas absorption expansion ratio of 5-15 times. According to the composition provided by the present invention, by coating the hydrogenated styrenic thermoplastic elastomer and the inorganic filler with the hydrophilic (surface polarized) polymer, a core-shell structure is formed, and the density, water contact angle, and oil/gas absorption expansion coefficient of the composition are ensured; thus, when the composition is used for well cementing in an oil/gas field, the composition has a density and compatibility matching cement mortar and thus can form a uniform and stable cement</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE |
| title | COMPOSITION, PREPARATION METHOD FOR AND APPLICATION OF COMPOSITION, AND SELF-HEALING METHOD FOR WELL CEMENTING IN OIL/GAS FIELD |
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