in this work the likelihood of asphaltene deposition problems during dynamic displacement of oil by natural gas in unconsolidated porous media is experimentally inspected. the two different rock materials, limestone and sandstone, are used as a representative of porous media. dynamic flow experiments indicate that the increase of natural gas injection increases asphaltene deposition in the unco...

Carbon Dioxide Sequestration Part 1— Field Studies The Gas Technology Institute with support from Illinois Clean Coal Institute and cooperation of the Illinois State Geological Survey designed and implemented a comprehensive research project aimed at determining the viability of seismic techniques for site selection and monitoring of carbon dioxide sequestration in Illinois coals. Editor’s note...

Light alkanes can be converted to more useful chemicals in noble metal coated monoliths at very short contact times. The short-contacttime reactor is described by detailed models for the flow field, chemistry, and their coupling. The partial oxidation of methane to synthesis gas in a rhodium coated monolith is studied numerically as an example. Keyword: reactor modelling, catalytic partial oxid...

Iran’s environmental condition is critical, since it is experiencing desertification, unsustainable development and overpopulation. The objective of this study is power source replacement in natural gas stations that operate with natural gas compressors, through using electrical motors, which can be fed by a 160 MW geothermal power plant, as an alternative to gas turbines. Application of such a...