Lightweight Cement Slurries based on vermiculite

18th International Scientific Symposium in Honour of Academician M. A. Usov: Problems of Geology and Subsurface Development

Minaev, K.^1 ; Gorbenko, V.^1 ; Ulyanova, O.^1

Tomsk Polytechnic University, Tomsk, Russia^1

关键词: Field studies;    Laboratory conditions;    Lightweight cement slurry;    Polymer additive;    Water to cement (binder) ratios;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/21/1/012034/pdf
DOI  :  10.1088/1755-1315/21/1/012034

来源: IOP

【 摘 要 】

The main purpose of the research is to study the lightweight cement slurry based on vermiculite and its parameters in accordance with GOST 1581-96 requirements as well as improvement of its formulation by polymer additives. Analysis of vermiculite-containing mixture providing the lowest density while maintaining other required parameters was conducted. As a cement base, cement PTscT-I-G-CC-1, cement PTscT - 100 and vermiculite M200 and M150 were used. Vermiculite content varied from 10 to 15 %; and water-to-cement-ratio ranged from 0.65 to 0.8. To sum up, despite the fact that lightweight cement slurry based on vermiculite satisfies GOST 1581-96 requirements under laboratory conditions, field studies are necessary in order to make a conclusion about applicability of this slurry for well cementing.