Effects of the Storage of on Multiaxial Mechanical and Hydraulic Behaviors of Oil-Well Cement
Publication: Journal of Materials in Civil Engineering
Volume 23, Issue 6
Abstract
The storage of is an expected solution by the oil industry: using petroleum wells as geological reservoirs is a very important and new research field. The durability of such storage has an importance to be predicted. The carbonation of oil-well cement (Class G type) under temperature (90°C) is evaluated in this paper. In the first part of the paper, the fabrication protocol for samples is explained, and the test conditions are described. The evolution of cement carbonation over time is then presented. In the second part of the paper, the results obtained by triaxial mechanical tests with permeability measurements at 90°C are discussed. Mechanical evolutions obtained for different confinement pressures show a remarkable decrease in permeability and an important increase of multiaxial strengths, which may exceed 100%. Long-term tests of carbonation will be necessary to evaluate the effect of carbonic acid on the chemical stability of carbonated cement.
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Acknowledgments
The present study is part of a global project of the control of residual gases that Total S. A. performs in its fight against climatic warming. The writers gratefully acknowledge Total Exploration and Production for entrusting this study to the Couplages Thermo-Hydro-Mechanical-Chemical (THMC) team of the Laboratory of Mechanics of Lille, France, and for the permission to publish these results.
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Information
Published In
Journal of Materials in Civil Engineering
Volume 23 • Issue 6 • June 2011
Pages: 741 - 746
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Mar 4, 2010
Accepted: Sep 23, 2010
Published online: Sep 27, 2010
Published in print: Jun 1, 2011
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