Validation of High Pressure Resin Impregnation Technique for High Resolution Confocal Imaging of Geological Samples
KAUST DepartmentAli I. Al-Naimi Petroleum Engineering Research Center (ANPERC)
Earth Science and Engineering Program
Energy Resources and Petroleum Engineering
King Abdullah University of Science &Technology
Physical Science and Engineering (PSE) Division
Online Publication Date2019-03-15
Print Publication Date2019
Permanent link to this recordhttp://hdl.handle.net/10754/631777
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AbstractIn this paper, we present a procedure for high pressure resin impregnation of microporous rock. This procedure produces the high- quality pore casts that reveal the fine details of the complex pore space of micritic carbonates. We carefully test our resin impregnation procedure and demonstrate that it renders the high resolution, 3D confocal images of pore casts. In our work, we use silicon micromodels as a reference to validate the key parameters of high-pressure resin impregnation. We demonstrate possible artifacts and defects that might develop during rock impregnation with resin, e.g., the resin shrinkage and gas trapping. The main outcome of this paper is a robust protocol for obtaining the high-quality epoxy pore casts suitable for rock imaging with Confocal Laser Scanning Microscopy (CLSM). We have implemented this protocol and provided the high resolution, three-dimensional (3D) imagery and description of microporosity in micritic carbonates.
CitationHassan A, Yutkin MP, Chandra V, Patzek TW (2019) Validation of High Pressure Resin Impregnation Technique for High Resolution Confocal Imaging of Geological Samples. SPE Middle East Oil and Gas Show and Conference. Available: http://dx.doi.org/10.2118/195020-ms.
SponsorsWe thank Dr. Marijn Boone from Tescan-XRE for acquiring the micro-CT images. We thank Mr. Darweesh for the fruitful discussions on the epoxy curing mechanism. We are grateful to the Nanofabrication Core Lab team at KAUST, especially to Dr. Ulrich Buttner and Mr. Ahad Syed, for their support in fabricating the silicon micromodels. This project has been funded by KAUST through the Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC).
PublisherSociety of Petroleum Engineers (SPE)