Particle-size properties of oilwell cements

✍ Scribed by L.P. Hunt; C.W. Elspass

• Publisher: Elsevier Science
• Year: 1986
• Tongue: English
• Weight: 464 KB
• Volume: 16
• Category: Article
• ISSN: 0008-8846
• DOI: 10.1016/0008-8846(86)90003-7

✦ Synopsis

Particle size distribution (PSD) was measured by a sedimentation method for 27 oilwell cements that met API physical and compositional specifications. Cumulative mass distribution (CMD) curves had very similar shapes when plotted as a function of particle diameter from 0.4 to 100-p.m. Particles <8-1~m diameter accounted for from 19 to 40 % of the total mass, depending upon the class of cement, and for from 63 to 76 % of the total surface area. Detection of multimodal distributions was not possible because of the magnitude of the experimental error. A very high linear correlation was found between Blaine fineness (190 to 440 m2/kg) and surface area calculated from CMD.