the paper introduces the field performance of a new kind of oil well cement retarder qr-300c, and its application in production string cementing on three deep exploratory wells at tuha oil field.
介绍了一种新型油井水泥缓凝剂qr-300c的应用性能和在吐哈地区3口深探井油层套管固井中的应用情况。
the paper studies on the principal technologies on coal desulfurization and retardant mechanism of cement retarder and active mechanism of cement mixed material.
介绍了煤炭脱硫产物和它们作水泥缓凝剂、水泥混合材的研究。
the various cement products with fgd gypsum as cement retarder are consonant with the relevant national standards.
水泥产品的各项质量指标均符合国家有关标準。
the application status of phosphogypsum is presented. some processes of producing cement retarder by phosphogypsum including author's experimental process are introduced.
简要叙述了磷石膏利用的基本概况,介绍了几种各具特色的磷石膏制水泥缓凝剂的生产工艺流程,以及作者的实验流程。
the cured gypsum can be used as the raw material of a cement retarder and building gypsum.
这种固化石膏可以用于水泥缓凝剂和建筑石膏的原材料。
the trials show the cement retarder acceptable at lower energy consumption, lower cost and no secondary pollution.
试验表明,该新工艺可生产出合格水泥缓凝剂产品,并且能耗低,成本低,无二次污染。