序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
1 | 快硬性水泥 | CN201380016644.3 | 2013-03-25 | CN104203866B | 2016-09-28 | 西冈朝明; 森泰一郎; 七泽章; 吉野亮悦; 岩波和英; 山本贤司; 川内敏夫; 白井健太郎; 松本雅夫 |
本发明提供一种在低温环境下确保了长凝结硬化时间的快硬性水泥。该快硬性水泥含有(A)用改性剂即聚羧酸系减水剂预先进行了表面改性的水泥、(B)由铝酸钙及石膏构成的快硬材料、以及(C)缓凝剂。 | ||||||
2 | 快硬性水泥 | CN201380016644.3 | 2013-03-25 | CN104203866A | 2014-12-10 | 西冈朝明; 森泰一郎; 七泽章; 吉野亮悦; 岩波和英; 山本贤司; 川内敏夫; 白井健太郎; 松本雅夫 |
本发明提供一种在低温环境下确保了长凝结硬化时间的快硬性水泥。该快硬性水泥含有(A)用改性剂即聚羧酸系减水剂预先进行了表面改性的水泥、(B)由铝酸钙及石膏构成的快硬材料、以及(C)缓凝剂。 | ||||||
3 | 负温硬化剂 | CN200810123106.5 | 2008-06-04 | CN101597154A | 2009-12-09 | 俞金波 |
本发明公开了一种负温硬化剂,由硝酸钠、氯化钠、木质磺酸钠、乙酸钠混合组成。本发明配方合理,能加速混凝土硬化过程,提高混凝土的早期强度,性能优异,适用于0~-15℃下使用。 | ||||||
4 | 急硬性セメント | JP2014507880 | 2013-03-25 | JPWO2013146712A1 | 2015-12-14 | 朝明 西岡; 泰一郎 森; 章 七澤; 亮悦 吉野; 岩波 和英; 和英 岩波; 山本 賢司; 賢司 山本; 敏夫 川内; 白井 健太郎; 健太郎 白井; 雅夫 松本 |
低温環境下において長い凝結硬化時間が確保された急硬性セメントを提供する。(A)改質剤のポリカルボン酸系減水剤で予め表面改質されたセメント、(B)カルシウムアルミネート及び石膏からなる急硬材、並びに、(C)凝結調整剤を含有する急硬性セメント。 | ||||||
5 | Method for the Production of Cold-Process Bituminous Coatings | US15322498 | 2015-07-10 | US20170144932A1 | 2017-05-25 | Didier LESUEUR |
A method is shown for preparing cold-process bituminous coatings, in particular the preparation of wear surface dressings which method includes the steps of preparing a bituminous binder as a cationic emulsion of bitumen; preparing an aggregate comprising at least one first aggregate fraction; and forming said cold-process bituminous coating formed with at least said aggregate interpenetrated into said binder; characterized in that said step for preparing said aggregate comprises a step for coating said at least one first aggregate fraction with lime. | ||||||
6 | CORROSION PROTECTED FIBRE-REINFORCED CEMENT COMPOSITION FOR USE IN COLD TEMPERATURE CONDITIONS | US15030131 | 2014-10-21 | US20160264467A1 | 2016-09-15 | Wolfram Franke |
The present invention relates to an admixture for a cementitious composition, the cementitious composition comprising said admixture and a method for casting a durable cementitious solid, in particular a concrete, in cold weather conditions, such as in winter time or in cold geographical areas, more in particular for casting part of the cement tube in bore hole drilling in cold weather conditions. | ||||||
7 | Accelerating admixture for concrete | US10358585 | 2003-02-05 | US20040149174A1 | 2004-08-05 | Stephen A. Farrington; Bruce J. Christensen |
A cold-weather admixture composition that accelerates the setting time and strength development of cementitious compositions is provided which comprises the components of a soluble inorganic salt having freezing point depressing properties, an inorganic early set and strength accelerator, a polycarboxylate high range water reducing dispersant, and an organic set accelerator. With lower dosages of dispersant than those disclosed in the prior art the admixture composition provides to concrete increased dispersant performance and acceleration of setting time and strength development. | ||||||
8 | Cementation product and use for cementing oil wells or the like | US09831671 | 2001-07-17 | US06656265B1 | 2003-12-02 | André Garnier; Michel Michaux; Philippe Revil |
The present invention provides a cementing composition for an oil well or the like with porosity of less than 50%, and with a solid phase constituted by 35% to 65% (by volume) hollow microspheres, 20% to 45% Class G Portland cement, and 5% to 25% of Class G Portland micro-cement. The invention is used to cement conductor pipes in arctic zones or in deep water holes. | ||||||
9 | Well cementing compositions for cold environment | US10029333 | 2001-12-21 | US20030173083A1 | 2003-09-18 | Jack Maberry; Greg Garrison; Stephan Harris; Andre Garnier |
The present invention provides improved well cementing compositions for use in cold environment, where the circulating temperature of the cement is typically within the range of 5 to 20null C. The improved well cementing compositions are essentially comprised of an aqueous fluid, a hydraulic cement binder and a set-accelerating admixture comprising an alkali or alkaline earth metal nitrate and an alkali or alkaline earth metal nitrite. | ||||||
10 | Corrosion protected fibre-reinforced cement composition for use in cold temperature conditions | US15030131 | 2014-10-21 | US09469569B2 | 2016-10-18 | Wolfram Franke |
The present invention relates to an admixture for a cementitious composition, the cementitious composition comprising said admixture and a method for casting a durable cementitious solid, in particular a concrete, in cold weather conditions, such as in winter time or in cold geographical areas, more in particular for casting part of the cement tube in bore hole drilling in cold weather conditions. | ||||||
11 | Antifreeze composition for producing a durable concrete in cold temperature conditions | US14425908 | 2013-09-23 | US09376342B2 | 2016-06-28 | Wolfram Franke |
The present invention relates to an admixture for a cementitious composition and a method using said admixture for manufacturing a durable cementitious composition, in particular a concrete, in cold weather conditions, such as in winter time or in cold geographical areas. | ||||||
12 | RAPID HYDRAULIC BINDER COMPRISING A CALCIUM SALT | US14402871 | 2013-05-21 | US20150107492A1 | 2015-04-23 | Serge Sabio; Serge Ghilardi; Xiaolin Pardal; Michel Testud |
A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm2/g, from 2.5 to 8% of sulphate expressed by mass of SO3 relative to the mass of clinker, from 1.5 to 10% of calcium nitrite and/or calcium nitrate expressed as anhydrous mass relative to the mass of clinker and from 15 to 50% of a mineral addition including calcium carbonate by mass relative to the total mass of binder. | ||||||
13 | Low Heat of Hydration Cement Compositions and Methods of Using Same | US13616564 | 2012-09-14 | US20130008353A1 | 2013-01-10 | Lance E. BROTHERS; Anthony PALMER |
A method of servicing a wellbore in a subterranean formation, comprising preparing a cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof, and placing the cement composition in the wellbore. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag. | ||||||
14 | Low heat of hydration cement compositions and methods of using same | US11385426 | 2006-03-21 | US08240385B2 | 2012-08-14 | Lance E. Brothers; Anthony V. Palmer |
A method of servicing a wellbore in a subterranean formation, comprising preparing a cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof, and placing the cement composition in the wellbore. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag. | ||||||
15 | Well cementing compositions and methods | US09663642 | 2000-09-15 | US06457524B1 | 2002-10-01 | Craig W. Roddy |
The present invention provides improved lightweight well cement compositions useful for performing a variety of cementing applications in subterranean formations and particularly for cementing conductor pipe in offshore wells. A preferred cement composition basically comprises a hydraulic cement, an effective amount of an iron salt selected from the group of ferric chloride, ferrous chloride or mixtures thereof to reduce the transition time of the composition, sufficient water to form a pumpable slurry, an effective amount of a foaming additive for producing a foamed slurry, and sufficient gas to foam the slurry. | ||||||
16 | Method and compositions for use in cementing | US989480 | 1997-12-12 | US6145591A | 2000-11-14 | Virgilio G. Boncan; Dan T. Mueller; Murray J. Rogers; Windall S. Bray |
Aluminum silicate-containing cement slurries for cementing wellbores in deepwater and cold environments, or in wellbores susceptible to fluid intrusion. The aluminum silicate-containing slurries may also be used as high strength, low density cements for wellbore cementing applications under a variety of conditions. The cement slurries typically comprise a mixture of a reactive aluminum silicate and hydraulic cement, and may include one or more other additives. The cement slurries may optionally be foamed using a foaming agent and energizing phase. | ||||||
17 | 急硬性セメント | JP2014507880 | 2013-03-25 | JP6129157B2 | 2017-05-17 | 西岡 朝明; 森 泰一郎; 七澤 章; 吉野 亮悦; 岩波 和英; 山本 賢司; 川内 敏夫; 白井 健太郎; 松本 雅夫 |
18 | How to use of low heat of hydration cement composition, and the composition | JP2009500924 | 2007-03-21 | JP2009530220A | 2009-08-27 | ブイ.パルメル アントホニ; イー.ブロトヘルス ランセ |
地下層に坑井ボアを保全する方法であって、水とセメント質材料とを含み、該セメント質材料が、更に高炉スラグ、ガラス質の頁岩、硫酸カルシウム半水和物、又はこれらの組み合わせを含むセメント組成物を調製すること、及び該セメント組成物を該坑井ボアに配置することを含む、前記方法。 水とセメント質材料とを含み、該セメント質材料が、更に高炉スラグ、ガラス質の頁岩、硫酸カルシウム半水和物、又はこれらの組み合わせを含むセメント組成物。 水とセメント質材料とを含み、該セメント質材料が、更に高炉スラグを含むセメント組成物。
【選択図】なし |
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19 | How to use of low heat of hydration cement composition, and the composition | JP2009500924 | 2007-03-21 | JP5330221B2 | 2013-10-30 | イー.ブロトヘルス ランセ; ブイ.パルメル アントホニ |
A method of servicing a wellbore in a subterranean formation, comprising preparing a cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof, and placing the cement composition in the wellbore. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag. | ||||||
20 | Water permeable concrete product and pavement for driveway | JP2001356084 | 2001-11-21 | JP2003160370A | 2003-06-03 | SATO TATSUZO; KAJIO SATOSHI; OBATA AKIRA |
PROBLEM TO BE SOLVED: To provide a water permeable concrete product excellent in early strength revelation and easy to manufacture even under low temperature environment (at about 2-10°C atmospheric temperature). SOLUTION: The water permeable concrete product is obtained by kneading a composition of a coarse aggregate and paste or mortar, the volume ratio of which to the coarse aggregate is 30-80%, casting it into a form, and aging it, wherein the paste or the mortar contains normal Portland cement or high early strength Portland cement of 100 pts.mass, metakaolin of 0.1-35 pts.mass, fine aggregate of 0-150 pts.mass, water reducing agent of 0.1-3.0 pts.mass, water of 15-30 pts.mass. COPYRIGHT: (C)2003,JPO |