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cement additive     
相关语句
  水泥添加剂
     Application or Impermeable Gas-mingration Cement Additive Series G60 and G69 in Gas Well Cementing in Shanbei Area
     G60、G69不渗透防气窜系列水泥添加剂在陕北地区气井套管固井中的应用
短句来源
     These techniques improve in the usage,stir,force-smear,cement additive and new type cement.
     主要集中在以下几个方面,即骨水泥使用技术、搅拌技术、假体的预涂、骨水泥添加剂、新型骨水泥等方面的改进。
短句来源
     The results show that carbon fiber has well compatibility with cement and cement additive.
     研究结果表明,碳纤维与水泥以及水泥添加剂具有良好的配伍性;
短句来源
     Practices in 10 wells show that using impermeable gas--migration cement additive series G60 andG69 in gas well cementing can reach all properties ofslurry that meet the demands of safe and reliable operation,and results are good. The additives are especially available to improve the quality in irregularborehole.
     10口并实践证明,应用G60和G69不渗透防气窜系列水泥添加剂配制水泥浆固井,各项性能指标满足要求,施工安全可靠,效果良好,尤其适用于在井径不规则井段提高固井质量。
短句来源
     To completely improve the equal balance of physical and mechanical performance of conventional oil well cement, the strength-enhanced and toughness-reinforced cement additive ZZC-1 has been developed. Experimental results in lab and field application both showed its good compatibility with other cement additives. It can significantly improve the break resistance,anti-impact toughness,cementation strength and compressive strength of conventional oil well cement, and meanwhile improve cementing quality.
     为全面改善普通油井水泥物理力学性能的均衡性,研制了ZZC1增强增韧型水泥添加剂,室内试验结果和现场应用均表明该水泥添加剂与常用的油井水泥外加剂具有良好的配伍性,可显著提高普通油井水泥的抗折强度、抗冲击韧性、胶结强度和抗压强度,提高固井质量。
短句来源
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  水泥外加剂
     Study and application of multifunctional cement additive J-2B
     多功能油井水泥外加剂J-2B的研究与应用
短句来源
     Application of a multi-functional cement additive in BZ25-1 oilfield.
     多功能水泥外加剂在BZ25-1油田固井中的应用
短句来源
     Application of Impervious Cement Additive QC600 in Tuha Oil Field
     非渗透水泥外加剂QC600在吐哈油田的应用
短句来源
     DSH cement additive with low frictional re-sistance developed is prepared from drag reducer, filtration-reducing agent, stabilizing agent and accelerating agent.
     DSH低摩阻水泥外加剂由减阻剂、降滤失剂、稳定剂及促凝剂复配而成。
短句来源
     The research result shows that because of complicated interaction, for different cement, additive performance is dissimilar.
     研究表明,由于外加剂与水泥相互作用的复杂性,对于不同水泥,外加剂所表现的性能不尽相同。
短句来源
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  水泥浆添加剂
     The paper presents the action principle of the cement additive. Through field application in 56 wells,the result shows that the additive consumption is less,operation is simple and simulation effect is outstanding. And the effective ratio of cementing plug goes up to 92.9% from 22.7%.
     从这两方面进行油水井水泥浆添加剂的优选试验 ,到 2 0 0 0年共 5 6井次的现场应用表明 ,该添加剂用量少 ,见效大 ,施工简便 ,增油效果显著 ,使打水泥塞施工有效率由 2 2 7%提高到92 9%。
短句来源
  水泥浆外加剂
     Study on salt-resisting cement additive R90
     R90抗盐水泥浆外加剂研究
短句来源
     A kind of salt-resisting cement additive R90, which consists of filtrate reducer , dispersant and retarder was introduced to maintain the slurry property.
     根据中原油田深井、高压、低渗透油藏、环空间隙小、盐层等特点研制了R90抗盐水泥浆外加剂,它包括3个主要组分:R906降滤失剂、R904分散剂和R909缓凝剂。
短句来源

 

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      cement additive
    Use of cement additive would reduce concentrations found in raw tar sample.
          
    The biggest market for coal fly ash is in concrete applications as a cement additive.
          
    Thus the only available method for utilization left was as a cement additive.
          
    Near Te Kuiti, clay from Te Kuiti Group and Mahoenui Formation has been worked for use as a cement additive.
          
    In order to make a valuable cement additive, the carbon content of fly ash must be less than 3%.
          
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    The crystalline state of MgO, FeO and MnO in converter slag, open-hearth slag andelectric furnace slag from steel plants were studied and their reactivity with water undervarious autoclave conditions (at the temperature up to 330℃ corresponding to the pre-ssure of 127 atm) were determined. Results show that MgO presenting as solid solution with FeO and MnO is much moreinert than pure periclase and will not cause unsoundness. It is praticable for using steelslag to make steel slag cement or as cement...

    The crystalline state of MgO, FeO and MnO in converter slag, open-hearth slag andelectric furnace slag from steel plants were studied and their reactivity with water undervarious autoclave conditions (at the temperature up to 330℃ corresponding to the pre-ssure of 127 atm) were determined. Results show that MgO presenting as solid solution with FeO and MnO is much moreinert than pure periclase and will not cause unsoundness. It is praticable for using steelslag to make steel slag cement or as cement additives and as aggregates of concrete.

    本文研究了国内钢厂的转炉渣、平炉渣和电炉渣中 MgO、FeO、MnO的结晶状态,并在各种压蒸条件下(温度达330℃、压力则至127个大气压)研究了它们与水化合的能力及其对水泥石膨胀的影响。研究发现,以固溶状态存在的某些MgO比纯方镁石稳定得多。不会引起体积安定性不良。这一结论对于利用钢渣制造钢渣水泥,用作混合材以及用作混凝土骨料是具有现实意义的。

    This Paper generally describes the principal technological Properties and composition of peat. It introduces the general situation of the development of comprehensive utilization of peat at home and abroad (especially abroad in recent years) and points out the broad way of development of utilization of peat in agriculture, animal husbandry, environmental protection, metallurgy, chemical industry, architecture, medicines and as sources of energy etc.This article also presents some opinions on the development...

    This Paper generally describes the principal technological Properties and composition of peat. It introduces the general situation of the development of comprehensive utilization of peat at home and abroad (especially abroad in recent years) and points out the broad way of development of utilization of peat in agriculture, animal husbandry, environmental protection, metallurgy, chemical industry, architecture, medicines and as sources of energy etc.This article also presents some opinions on the development of comprehensive utilization of peat in our country for reference. The chief suggestions are as follows:(1) developing the research on gasification of peat and generation of electricity from peat so as to convert it into sources of clean energy.(2) continuing to strengthen the research and probation of peat-base fertilizers and peat-base fodders, some industrial uses Of peat humic substances (used as cathode expanding agent of battery, cement-additive, medicine, caking agent of briquette).(3) developing the research and probation of extraction of peat wax and (4) at present, paying much attention to the research and probation on the peat-base treating agents of the waste water and the waste gas in the field of environmental protection etc.

    本文概述了泥炭的主要工艺性质和组成。介绍了国内外(特别是国外近年来)开展泥炭综合利用的概况,指出了泥炭在农业、饲养业、环境保护、能源、化学、建筑、医药、钢铁等工业上具有广阔的利用途径。本文提出了对开展我国泥炭综合利用的一些参考意见,主要的建议是:开展气化和发电使泥炭变为洁净能源的研究,继续加强泥炭腐肥、泥炭基饲料、泥炭腐植酸类物质的某些工业利用(蓄电池极板膨胀剂、水泥早强减水剂、医药、煤球粘结剂)的研究,开展抽提泥炭蜡的研究和试用,当前重点放在废水和废气治理的环保方面的研究和试用等。

    Lw-1 type fluid loss reducing additive for oil well cement is a copolymer of acrylamide and acrylic acid. It is manufactured in aqueous solution(concentration≥27%)and powdered(purity ≥90%)forms. Incorporated into cement by an amount of 0.3-9.0% by weight, it retards the setting time and increases the water-retention of cement slurries. A series of laboratory tests, performed according to API Specifications, with home made oil well cements has given su- perior results as follows: thicking...

    Lw-1 type fluid loss reducing additive for oil well cement is a copolymer of acrylamide and acrylic acid. It is manufactured in aqueous solution(concentration≥27%)and powdered(purity ≥90%)forms. Incorporated into cement by an amount of 0.3-9.0% by weight, it retards the setting time and increases the water-retention of cement slurries. A series of laboratory tests, performed according to API Specifications, with home made oil well cements has given su- perior results as follows: thicking time of slurry 3-4 hrs (with a retarder added);fluid loss of slurry at 97℃ and 7MPa pressure<250 and at room temp.and 0.7 MPa pressure<150 ml/30min; compression strength>3.5MPa.Compatibility ofLw-1 with other cement additives and itssultability to oil well cements are satisfactory. Up to the present, all field tests with Lw-1 in 6 wells have been finished successfully.

    LW-1型油井水泥降失水剂是丙烯酰胺和丙烯酸的共聚物,有水刺和粉刺两种,水剂浓度≥27%,粉剂纯度≥90%。一般加入水泥重量的0.3—2%,即可迟到延长水泥浆固化时间、增加保水作用的目的。按 API 规范进行水泥浆各项性能测试,均符合要求:稠化时间3—4小时(有时需加缓凝剂);室温、0.7MPa 失水<150m1/30分钟:93℃,7MPa 失水<250ml/30分钟;抗压强度>3.5MPa。Lw-1与缓凝剂、悬浮剂等相容性良好,能适应国产各种油井水泥。目前己现场试验6口井,均取得了满意的结果。

     
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