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Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static conditions.

Wuyep, Elizabeth; Oluyemi, Gbenga; Yates, Kyari; Akisanya, Alfred

Authors

Elizabeth Wuyep

Gbenga Oluyemi

Kyari Yates

Alfred Akisanya



Contributors

Amjad Kallel
Editor

Zeynal Abiddin Erguler
Editor

Zhen-Dong Cui
Editor

Ali Karrech
Editor

Murat Karakus
Editor

Pinnaduwa Kulatilake
Editor

Sanjay Kumar Shukla
Editor

Abstract

The effects of chemical interaction of a biocide with formation rocks on the rock geomechanical strength were examined. A combination of analytical tests (Scanning Electron Microscopy/Energy-Dispersive X-Ray Analysis-SEM/EDX, X-Ray Powder Diffraction-XRDP and Particle Size Distribution) and uniaxial compressive test was used in this study. The particle size distribution showed an increase in D50 with poor sorting for the chemically treated carbonate core sample. The XRPD shows evidence of altered minerals in the chemically treated samples. It was observed that the interaction led to precipitation of new materials that clogged the pore space of the rock samples leading to about 150% increase in compressive strength of the carbonate following treatment with the biocide. The results give more insight into the limitations of the existing sand production prediction models with respect to the effect of oilfield chemicals on the strength of the reservoir rocks.

Start Date Nov 12, 2018
Publication Date Jan 1, 2019
Publisher Springer (part of Springer Nature)
Pages 183-185
Series Title Advances in science, technology and innovation: IEREK interdisciplinary series for sustainable development.
Series ISSN 2522-8714
Book Title Recent advances in geo-environmental engineering, geomechanics and geotechnics, and geohazards: proceedings of the 1st Springer conference of the Arabian Journal of Geosciences (CAJG-1), 12-15 November 2018, Hammamet, Tunisia
ISBN 9783030016647
Institution Citation WUYEP, E., OLUYEMI, G., YATES, K. and AKISANYA, A. 2019. Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static conditions. In Kallel A., Erguler, Z.A., Cui, Z.-D., Karrech, A., Karakus, M., Kulatilake, P. and Shukla, S.K. (eds.) Recent advances in geo-environmental engineering, geomechanics and geotechnics, and geohazards: proceedings of the 1st Springer conference of the Arabian Journal of Geosciences (CAJG-1), 12-15 November 2018, Hammamet, Tunisia. Advances in science, technology and innovation: IEREK interdisciplinary series for sustainable development. Cham: Springer [online], pages 183-185. Available from: https://doi.org/10.1007/978-3-030-01665-4_43
DOI https://doi.org/10.1007/978-3-030-01665-4_43
Keywords Chemical interaction; Glutaraldehyde; Carbonate; Uniaxial compressive strength; Reservoir rock

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