Large-temperature-difference well cementation cement paste and preparation method thereof
The invention discloses large-temperature-difference well cementation cement paste and a preparation method thereof. The large-temperature-difference well cementation cement paste comprises the following components in parts by weight: 100 parts of oil well cement, 0.5-40 parts of a strength stabiliz...
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| creator | XU MING XIA XIUJIAN QU CONGFENG YU YONGJIN QI FENGZHONG ZHANG HUA LIU ZISHUAI JI HONGFEI LYU BIN ZHOU CHENYANG ZHOU CHONGFENG WANG ZHAOHUI DING ZHIWEI ZHANG XIAOBING GUO YUCHAO JIN JIANZHOU ZHANG CHI |
| description | The invention discloses large-temperature-difference well cementation cement paste and a preparation method thereof. The large-temperature-difference well cementation cement paste comprises the following components in parts by weight: 100 parts of oil well cement, 0.5-40 parts of a strength stabilizer, 0-50 parts of a density regulator, 5-20 parts of a reinforcing material, 2-4 parts of an early strength agent, 0.5-3.5 parts of a retarder, 2-7 parts of a fluid loss agent, 1-2 parts of a dispersing agent, 0.1-0.5 part of a defoaming agent and 40-85 parts of water. The cement paste disclosed by the invention is adjustable in density, adjustable in thickening time, good in flowing property, good in sedimentation stability, low in water loss and free of free liquid, and meets the requirements of well cementation construction; meanwhile, the 48-hour compressive strength of top cement stone is larger than 10 MPa, the applicable circulating temperature ranges from 100 DEG C to 200 DEG C, the temperature difference r |
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The large-temperature-difference well cementation cement paste comprises the following components in parts by weight: 100 parts of oil well cement, 0.5-40 parts of a strength stabilizer, 0-50 parts of a density regulator, 5-20 parts of a reinforcing material, 2-4 parts of an early strength agent, 0.5-3.5 parts of a retarder, 2-7 parts of a fluid loss agent, 1-2 parts of a dispersing agent, 0.1-0.5 part of a defoaming agent and 40-85 parts of water. The cement paste disclosed by the invention is adjustable in density, adjustable in thickening time, good in flowing property, good in sedimentation stability, low in water loss and free of free liquid, and meets the requirements of well cementation construction; meanwhile, the 48-hour compressive strength of top cement stone is larger than 10 MPa, the applicable circulating temperature ranges from 100 DEG C to 200 DEG C, the temperature difference r</description><language>chi ; eng</language><subject>ADHESIVES ; ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; DYES ; LIME, MAGNESIA ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; POLISHES ; REFRACTORIES ; SLAG ; 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=20220422&DB=EPODOC&CC=CN&NR=114380540A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220422&DB=EPODOC&CC=CN&NR=114380540A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XU MING</creatorcontrib><creatorcontrib>XIA XIUJIAN</creatorcontrib><creatorcontrib>QU CONGFENG</creatorcontrib><creatorcontrib>YU YONGJIN</creatorcontrib><creatorcontrib>QI FENGZHONG</creatorcontrib><creatorcontrib>ZHANG HUA</creatorcontrib><creatorcontrib>LIU ZISHUAI</creatorcontrib><creatorcontrib>JI HONGFEI</creatorcontrib><creatorcontrib>LYU BIN</creatorcontrib><creatorcontrib>ZHOU CHENYANG</creatorcontrib><creatorcontrib>ZHOU CHONGFENG</creatorcontrib><creatorcontrib>WANG ZHAOHUI</creatorcontrib><creatorcontrib>DING ZHIWEI</creatorcontrib><creatorcontrib>ZHANG XIAOBING</creatorcontrib><creatorcontrib>GUO YUCHAO</creatorcontrib><creatorcontrib>JIN JIANZHOU</creatorcontrib><creatorcontrib>ZHANG CHI</creatorcontrib><title>Large-temperature-difference well cementation cement paste and preparation method thereof</title><description>The invention discloses large-temperature-difference well cementation cement paste and a preparation method thereof. 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The large-temperature-difference well cementation cement paste comprises the following components in parts by weight: 100 parts of oil well cement, 0.5-40 parts of a strength stabilizer, 0-50 parts of a density regulator, 5-20 parts of a reinforcing material, 2-4 parts of an early strength agent, 0.5-3.5 parts of a retarder, 2-7 parts of a fluid loss agent, 1-2 parts of a dispersing agent, 0.1-0.5 part of a defoaming agent and 40-85 parts of water. The cement paste disclosed by the invention is adjustable in density, adjustable in thickening time, good in flowing property, good in sedimentation stability, low in water loss and free of free liquid, and meets the requirements of well cementation construction; meanwhile, the 48-hour compressive strength of top cement stone is larger than 10 MPa, the applicable circulating temperature ranges from 100 DEG C to 200 DEG C, the temperature difference r</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| title | Large-temperature-difference well cementation cement paste and preparation method thereof |
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