Mineralogical Description and Pore Size Description Characterization of Shale Gas Core Samples, Malaysia
Journal Title: American journal of Engineering Research - Year 2018, Vol 7, Issue 7
Abstract
The most important properties in shale gas plays are the mineralogical content and its pore size distribution. For many years, shale formations were viewed as a hydrocarbon cap rock. Due to this traditional point of view, up to date only geochemical analysis has been routinely performed on the shale layers. However, for sweet spot mapping of shale gas plays, it is very important to know about petrophysical properties. Shale gas, which is mostly methane can be found in any sedimentary basin, but special methods of extraction is needed. Shale gas can be more expensive than conventional gas to extract. The main outcome of this study was to identify the mineralogy and pore size distribution of samples collected from Kedah and Batu Gajah, Malaysia. Both samples were poorly understood and described on the open source thus investigating these properties on the samples were a good start in differentiating between sandstone and shale rocks. The first section of this paper discusses the different setting of shale in varying environments. For investigating the mineral properties which plays a significant role in controlling shale properties, the experiment x-ray diffraction has been carried out. By carrying this compositional analysis many different type of elements were identified. This was a very important step to identify the right elements using search and match procedures. The second section of this paper discusses the pore size distribution. Pore size distribution in shale gas ranges can be measured using Brunauer-Emmett-Teller
Authors and Affiliations
Ghareb M. Hamada, Sundeep R. Singh
Keywords
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